Charbon Annual Review 2016 - Centennial Coal€¦ · 2017(Approved Extension Letter dated 29 May...
Transcript of Charbon Annual Review 2016 - Centennial Coal€¦ · 2017(Approved Extension Letter dated 29 May...
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CENTENNIAL COAL
CHARBON COLLIERY
REVISED ANNUAL REVIEW
May 2017
CHARBON COLLIERY ANNUAL REVIEW FOR 2016
Page 3 of 110
Contents 1. STATEMENT OF COMPLIANCE ....................................................................... 4
2. INTRODUCTION ................................................................................................ 7
3. APPROVALS ................................................................................................... 13
4. OPERATIONS SUMMARY ............................................................................... 18
4.1. Other Operations .............................................................................................. 18
4.2. Next Reporting Period ...................................................................................... 19
5. ACTIONS REQUIRED FROM PREVIOUS ANNUAL REVIEW ......................... 20
5.1. Annual Review ................................................................................................. 20
5.2. 2015 Independent Environmental Audit ............................................................ 21
5.3. Water Management Plan Revision ................................................................... 22
6. ENVIRONMENTAL PERFORMANCE .............................................................. 23
6.1. NOISE .............................................................................................................. 25
6.2. BLASTING ....................................................................................................... 38
6.3. AIR QUALITY ................................................................................................... 38
7. WATER MANAGEMENT .................................................................................. 49
7.1. SURFACE WATER .......................................................................................... 49
7.2. Groundwater .................................................................................................... 57
8. REHABILITATION ............................................................................................ 59
8.1. Rehabilitation Monitoring .................................................................................. 59
8.2. Next Reporting Period ...................................................................................... 70
9. ENVIRONMENTAL MONITORING .................................................................. 71
9.1. Aquatic Ecological Monitoring .......................................................................... 71
9.2. Terrestrial Ecological Monitoring ...................................................................... 73
10. COMMUNITY ................................................................................................... 74
11. INDEPENDENT AUDIT .................................................................................... 77
12. WASTE MANAGEMENT AND MINIMISATION ................................................ 92
12.1. Sewage Treatment and Disposal............................................................... 92
12.2. Oil and Grease Containment and Disposal ................................................ 92
12.3. General Waste Disposal ............................................................................ 92
13. INCIDENTS AND NON-COMPLIANCES DURING THE REPORTING PERIOD93
14. ACTIVITES TO BE COMPLETED IN THE NEXT REPORTING PERIOD ....... 108
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1. STATEMENT OF COMPLIANCE
Table 1 Statement of Compliance
Were all conditions of the relevant approval(s) complied with?
PA 08_0211 NO
EPBC 2010/5498 YES
CCL726 YES
CCL732 YES
ML1318 YES
ML1384 YES
ML1501 YES
ML1524 YES
ML1545 YES
ML1647 YES
ML1663 YES
EPL528 NO
Table 2 Non-Compliances
Relevant Approval
Condition # Condition summary Compliance Status
Comment Page # addressed in Annual Review
PA 08_0211 Schedule 3, Condition 19
HVAS power outage for 6 days resulting in no readings between 21-26 September 2016
Non-compliance
The HVAS experienced a power outage for a period of six days resulting in 6 non-compliances.
92
PA 08_0211 Schedule 5, Condition 3
Annual Review Submission
Non-compliance
2015 Annual Review submitted 3 Mary 2016
102
PA 08_0211 Schedule 3, Condition 19
Site Water Management Plan
Non-compliance
Water Management Plan not fully implemented- per correspondence 11/10/2016 and 29/11/2016- site water balance, erosion and sediment control plan and surface and groundwater monitoring program.
103-104
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Relevant Approval
Condition # Condition summary Compliance Status
Comment Page # addressed in Annual Review
EPL528 L2.4 5 exceedances of TSS water quality criteria at LDP002 between 15-19 September 2016
Non-compliance
Charbon received a total of 171.8mm of rain during September 2016, the wettest September recorded, which resulted in 5 non-compliances
95
EPL528 L2.4 12 exceedances of TSS water quality criteria at LDP003 between 12-23 September 2016
Non-compliance
Charbon received a total of 171.8mm of rain during September 2016, the wettest September recorded, which resulted in 12 non-compliances
96
EPL528 L2.4 8 exceedances of turbidity from LDP 002 during 9-10 September 2016 and 14-19 September 2016
Non-compliance
Charbon received a total of 171.8mm of rain during September 2016, the wettest September recorded, which resulted in 8 non-compliances
97
EPL528 L2.4 12 exceedances of turbidity from LDP003 during 12-23 September 2016
Non-compliance
Charbon received a total of 171.8mm of rain during September 2016, the wettest September recorded, which resulted in 12 non-compliances
98
EPL528 L3.1 14 non-compliances with volume monitoring requirements from LDP002 during 6-19 September 2016
Non-compliant
The water meter at LDP002 failed, resulting in 14 technical non-compliances.
93
EPL528 L3.1 12 exceedances of water volume limit from LDP003 during 12-20 September 2016 and 21/-23 September 2016
Non-compliance
The water volume for LDP003 is 5ML/Day. Water discharges between 12-20 September 2016 averaged 6.27ML/day, and 21-23 September 2016 averaged 5.06ML/day, which resulted in 12 non-compliances
94
EPL528 L2.4 One exceedance of turbidity limit from LDP006 during 8 October 2016
Non-compliance
Turbidity of LDP006 discharge was recorded at 51.2 NTU, 1.2 units above the EPL limit of 50 NTU.
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Relevant Approval
Condition # Condition summary Compliance Status
Comment Page # addressed in Annual Review
EPL528 L2.4 5 exceedances of water quality criteria (turbidity, TSS and pH) limits from LDP002 during 11 and 13 October 2016.
Non-compliance
Turbidity of LDP002 on 11 October 2016 was recorded at 59.2 NTU and 55.1 NTU on the 13 October 2016, 9.2 and 5.1 units above the EPL limit of 50 NTU respectively.
pH was recorded at 8.9 on 13 October 2016, 0.4 units above the EPL limit of 8.5.
TSS was recorded at 51 on 13 October 2016, 1 unit above the EPL limit of 50 TSS.
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EPL528 L2.4 One exceedance of turbidity limit from LDP003 during 8 December 2016
Non-compliance
Turbidity of LDP003 discharge was recorded at 50.3 NTU, 0.3 units above the EPL limit of 50 NTU.
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Note: Compliance Status Key for Table 2
Risk Level Colour Code
Description
High Non-compliance with potential for significant environmental consequences, regardless of the likelihood of occurrence
Medium Non-compliance with:
• Potential for serious environmental consequences, but is unlikely to occur; or • Potential for moderate environmental consequences, but is likely to occur
Low Non-compliance with:
• Potential for moderate environmental consequences, but is unlikely to occur; or • Potential for low environmental consequences, but is likely to occur
Administrative Only to be applied where the non-compliance does not result in any risk of environmental harm (e.g. submitting a report to government later than required under approval conditions)
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2. INTRODUCTION
Charbon Colliery (Charbon) was an underground (bord and pillar) and open-cut coal mine owned and operated by Charbon Coal Pty Limited, a joint venture between Charbon Coal Pty Ltd Pty (95 percent) and SK Networks Resources Australia Pty Ltd (5 percent). After over 90 years of mining, Charbon has depleted its coal reserves and ceased mining in 2014. Charbon is currently focused on rehabilitation of the site and is working with state agencies to develop and implement the required plans for effective mine closure.
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The Charbon Colliery site is located in the Western Coalfields of NSW, approximately 87 kilometres north-west of Lithgow and 3 kilometres south of Kandos (refer to
Figure 1).
The Colliery has been in operation since the 1920’s and initially supplied coal for the former Charbon Cement Works until its closure in 1977. The mine continued to produce coal for local consumption until the Colliery was upgraded in 1985.
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The area of Charbon Colliery is 2,692ha. Mining operations prior to closure included six open cut mining areas, two underground mining areas, rail loop & loading facilities, and a coal handling and processing plant (CHPP). Additionally, Charbon also has two onsite Compensatory Habitat Areas (refer to Figure 2). Mining Lease boundaries for Charbon are presented in Figure 3.
Table 3 Key Contacts
Position Key Contact Contact Details
Mine Manager Bob Miller (02) 6359 2101
Email: [email protected]
Environment and Community Coordinator
Natalie Gardiner (02) 63579204
Email: [email protected]
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Figure 1 Charbon Colliery Project Locality
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Figure 2 Rehabilitation and site overview
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Figure 3 Charbon Colliery Mining Lease Boundary
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3. APPROVALS
Table 4 Charbon Mine Leases, Licences and Consent
Mineral Authority Approval Date Expiry Date
CCL7261 16 March 1989 18 November 2028
CCL732 13 December 1989 02 December 2025
ML1318 29 June 1993 29 June 2026
ML1384 19 January 1996 19 January 2017
ML1501 21 December 2001 21 December 2022
ML1524 28 October 2002 28 October 2023
ML1545 9 January 2004 9 January 2025
ML1647 17 December 2010 17 December 2031
ML1663 9 January 2012 9 January 2033
MPL270 29 April 1991 29 April 2026
MPL499 28 May 1925 28 May 2026
MPL505 11 August 1925 11 August 2026
MPL526 14 December 1925 14 December 2024
MPL670 26 March 1930 26 March 2024
MPL964 20 November 1939 20 November 2023
1 - CCL726 is subleased from Kandos Collieries Pty Limited
Table 5 Consent – Department of Planning and Environment
Consent Summary Grant Date Expiry Date
PA 08_0211 Open cut and underground coal mine, tailings dam, progressive rehabilitation of site, use of infrastructure on site for duration of project.
7 September 2011
31 August 2025
Table 6 EPBC Approval – Department of Environment
Reference Summary Grant Date Expiry Date
2010/5498 Details offset requirements 19 November 2010
2025
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Table 7 Mining Operations Plan (Department of Trade & Investment, Regional Infrastructure & Services)
MOP Period Summary Grant Date Expiry Date
2010-2016 Covers mining activities and progressive rehabilitation
23 September 2010
Current Expiry 31 March 2017(Approved Extension Letter dated 29 May 2015) - Original approval 31 December 2016.
2015-2022 Covers rehabilitation activities on privately owned lands only
7 December 2015 16 October 2022
Table 8 Environmental Protection Licence (NSW Environment Protection Authority)
EPL Summary Grant Date Expiry Date
EPL 528 Sets pollution limits for noise, air quality, blasting and water quality
26 June 2001 Renewed Annually
Table 9 Groundwater Extraction Licences (NSW Office of Water)
Reference Reference/Summary Grant Date Expiry Date
80BL243771 Extraction of up to 5ML per year from the Charbon Underground
22 March 2007 Perpetuity
80AL706141* Extraction of up to 30ML per year.
23 August 2012 Perpetuity
Table 10 Surface Water Licences (NSW Office of Water)
Reference Reference/Summary Grant Date Expiry Date
80AE308402 Amnesty registration for Reedy Creek Dam, Southern Open Cut Pollution Control Dam and farm dams
6 February 2001 NA
80AL717720*
80WA717721
Conservation of water and water supply for industrial purposes (Reedy Creek Dam)
4 October 2012 3 October 2025
80WA717722 Conservation of water and water supply for stock purposes (Southern Open Cut Pollution Control Dam and 50ML dam)
4 October 2012 3 October 2025
* Water Access Licence 80AL717720 replaces previous entitlement issued under the Water Act 1912: 80SL095832
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Table 11 EPBC Approval Conditions (Department of Environment)
Condition Condition Requirement Comment
1
The person taking the action must carry out the action in accordance with the conditions of this approval and as described in the referral documentation dated 18 May 2010 and Preliminary Documentation dated 20 October 2010. Where the referral, the Preliminary Documentation and these conditions are contradictory, these conditions shall prevail to the extent of the contradiction.
Addressed by the Compensatory Habitat Management Plan
2
The person taking the action must not clear more than approximately 90ha in the project area (Annexure 1), consisting of no more than;
a. Approximately 42ha of native vegetation including:
i. 13.3ha of the listed White Box – Yellow Box – Blakely’s Red Gum Grassy Woodlands and Derived native Grasslands ecological community;
b. Approximately 47ha of cleared land; and
c. The removal of no more than 40 individual Eucalyptus macrorhyncha subsp. Cannonii (Cannon’s Stringybark or Capertee Stringybark).
The person taking the action did not clear more than approximately 90ha in the project area. A total of 41.47 native vegetation has been mapped as cleared. The EPBC Approval allowed for clearing of 42 hectares total of vegetation. The project cleared a total of 12.6ha of White Box – Yellow Box – Blakely’s Red Gum Grassy Woodlands and Derived native Grasslands ecological community. The condition allowed for 13 ha to be cleared.
3
To mitigate impacts on the listed White Box – Yellow Box – Blakely’s Red Gum Grassy Woodlands and Derived native Grasslands ecological community, the listed Swift Parrot, Regent Honeyeater, Large-eared Pied Bat, Spotted-tail Quoll and Greater Long Eared Bat, the person taking the action must place a legally binding conservation covenant in perpetuity over no less than 253ha of land identified as ‘Proposed Additional Compensatory Habitat’ on the map dated 29/03/2012 at Annexure 2.
a. The covenant must be approved in writing by the Minister and placed on the title of the land identified on the map at Annexure 2 as “Proposed Additional Compensatory Habitat” by 19 November 2013.
b. Covenant conditions must not allow any development or native vegetation clearing within these areas.
Charbon Coal has identified approximately 265ha of land for conservation. As of 19 February 2014 a covenant has been placed over this land.
4
Within 12 months of the commencement of Stage One Works, the person taking the action must prepare and submit a Compensatory Habitat Management Plan, for the area identified in Condition 3, for the Minister’s approval to provide protection for:
i. White Box – Yellow Box – Blakely’s Red Gum Grassy Woodland and Derived Native Grasslands; and
ii. Habitat for the Spotted-tail Quoll, Swift Parrot, Regent Honeyeater, Large-eared Pied Bat, Greater Long Eared Bat and Capertee Stringybark;
The Compensatory Habitat Management Plan must include, but not limited to:
a. Desired outcomes/objective of the plan;
b. Management actions including, but not limited to, land rehabilitation and restoration measures, pest management, fencing, weed control, fire management, erosion and sediment control, exclusion of livestock, and restrictions on access that are proposed to protect and enhance areas of:
i. White Box – Yellow Box – Blakely’s Red Gum Grassy Woodland and Derived Native Grasslands; and
Charbon Colliery, Compensatory Habitat Management Plan approved by SEWPaC on 5 October 2012.
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Condition Condition Requirement Comment
ii. Habitat for the Spotted-tail Quoll, Swift Parrot, Regent Honeyeater, Large-eared Pied Bat, Greater Long Eared Bat and Capertee Stringybark;
c. Measures to monitor subsidence and thresholds of detected subsidence rates that will trigger remedial action and the remedial works in relation to subsidence;
d. Measures for the protection of these areas in perpetuity;
e. The development and implementation of a monitoring program, including, but not limited to, performance criteria and thresholds for review and amendment of management actions;
f. A description of the potential risks to management and rehabilitation in the compensatory habitat areas, and a description of the contingency measures that would be implemented to mitigate these risks;
g. The timing of and person(s) responsible for undertaking the actions identified in condition 4; and
h. The approved Compensatory Habitat Management Plan must be implemented.
5
For the first five years after the approval of the Compensatory Habitat Management Plan by the Minister, the person taking the action must submit to the Department a report detailing the implementation of the approved Compensatory Habitat Management Plan, as component of Condition 10.
This condition has been addressed by this Annual Review.
6
For the period following the first five years after the approval of the Compensatory Habitat Management Plan by the Minister, the person taking the action must submit to the Department a report detailing the implementation of the approved Compensatory Habitat Management Plan. Reports must be submitted every three years as a component of Condition 10, until the Minister notifies the person taking the action that he or she is satisfied that the Compensatory Habitat Management Plan has been fully implemented and reporting is no longer required.
Not yet triggered.
7
To offset impacts to the listed White Box – Yellow Box – Blakely’s Red Gum Grassy Woodland and Derived Native Grasslands ecological community, the listed Swift Parrot, Regent Honeyeater, Large-eared Pied Bat and Greater Long Eared Bat, the person taking the action must provide protection, through gifting to NSW National Parks and Wildlife Service NPWS), for no less than 120ha of land, including at least 80ha of White Box – Yellow Box – Blakely’s Red Gum Grassy Woodland and Derived Native Grasslands ecological community, located at Nullo Mountain, County of Phillip, NSW and described as Lot 3 DP1172889 and provided at Annexure 3.
a. Evidence of gifting the Nullo Mountain offset site to the NSW NPWS must be provided to the department, including measures taken to assist NSW NPWS to manage the offset site in the long-term, provided to the NSW NPWS for the management of the offset site, by 19 November 2013.
Offset land has been gifted to NPWS for management.
8
To offset impacts to the Regent Honeyeater, the person taking the action must donate $5000 to the Hawkesbury – Nepean Catchment Management Authority for Regent Honeyeater habitat restoration.
Charbon Coal presented a cheque for $5000 to the Hawkesbury – Nepean Catchment Management Authority in September 2011.
9 Within 10 business days of substantial commencement, the person taking the action must advise the Department in writing the actual date of commencement.
Substantial commencement of works was 24 November 2011. The Department was advised of commencement in writing within 10 business days.
10 Within four months of every 12 month anniversary of the substantial This condition has been
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Condition Condition Requirement Comment
commencement of the action the person taking the action must submit to the Department a report addressing compliance with the conditions of this approval. Annual reports must be provided until the Minister is satisfied that the proponent has complied with all conditions of the approval.
addressed by this Annual Report.
11
Upon the direction of the Minister, the person taking the action must ensure that an independent audit of compliance with the conditions of this approval is conducted and a report submitted to the Minister. The independent auditor must be approved by the Minister prior to the commencement of the audit. Audit criteria must be agreed to by the Minister and the audit report must address the criteria to the satisfaction of the Minister.
Not yet triggered.
12
If the person taking the action wishes to carry out any activity otherwise than in accordance with the plans, reports or strategies referred to in the above conditions the person taking the action must submit for the Minister’s approval a revised version of any such plan, report or strategy. The varied activity shall not commence until the Minister has approved the varied plan, report or strategy in writing. If the Minister approves such a revised plan, report or strategy, that plan, report or strategy must be implemented in place of the plan, report or strategy originally approved.
Not yet triggered.
13
If the Minister believes that it is necessary or desirable for the better protection of listed threatened species and ecological communities and listed migratory species to do so, the Minister may request that the person taking the action make specified revisions to the plans, reports or strategies approved pursuant to the above conditions and submit the revised plan, report or strategy for the Minister’s approval. The person taking the action must comply with any such request. The revised approved plan, report or strategy must be implemented. Unless the Minister has approved the revised plan, report or strategy, then the person taking the action must continue to implement the plan, report or strategy originally approved, referred to in the above conditions.
Not yet triggered
14
If, at any time after 3 years from the date of this approval, the Minister notifies the person taking the action in writing that the Minister is not satisfied that there has been substantial commencement of the action, the action must not thereafter be commenced without the written agreement of the Minister.
Not yet triggered
15
The person taking the action must maintain accurate records substantiating all activities associated with or relevant to the above conditions of approval, including measures taken to implement the management plans required by this approval, and make them available upon request to the Department. Such records may be subject to audit by the Department or an independent auditor in accordance with section 458 of the EPBC Act, or used to verify compliance with the conditions of approval. Summaries of audits will be posted on the Departments website. The results of audits may also be publicised through the general media.
In accordance with the requirement of this Condition, accurate records are maintained to substantiate activities relevant to this Approval by the Environment and Community Department.
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4. OPERATIONS SUMMARY
Table 12 Production Summary
4.1. Other Operations
Table 13 Operations Summary
Material Approved Limit (and source)
Previous Reporting Period (Actual) (t)
This Reporting Period (Actual) (t)
Next Reporting Period (Forecast) (t)
Waste Rock/ Overburden
N/A 1,017,273 N/A N/A
ROM Coal 1,500,000 650,152 Nil Nil
Coarse reject N/A 84,717 N/A N/A
Fine reject (Tailings)
N/A 54,411 N/A Nil
Saleable product 1,500,000 519,319 Nil Nil
Approved Limit (and source)
Previous Reporting Period (Actual)
This Reporting Period (Actual)
Comment (if applicable)
Hours of operation
Open cut mining (see Table 6).
As per and within the approved hours of operation.
N/A No open cut mining was undertaken during the reporting period.
Underground mining, coal processing, run-of-mine coal management and maintenance (see Table 15).
As per and within the approved hours of operation.
N/A No underground mining, coal processing, run-of-mine coal management or maintenance was undertaken during the reporting period.
Blasting (see Table 15). N/A – No blasting was conducted.
N/A No blasting was conducted during the reporting period.
Vegetation clearing and soil handling (see Table 15).
As per and within the approved hours of operation.
7am -5pm Conducted earthworks on existing water management structures within previously disturbed areas, no new areas of vegetation have been disturbed.
Commenced rehabilitation works in the Southern Outlier and Stoney Creek areas.
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Table 14 Approved hours of operation as per PA 08_0211
4.2. Next Reporting Period
Charbon Colliery has ceased mining and is currently completing an EIS, MOP and subsequent plans to facilitate the rehabilitation and closure of the site. Charbon will continue working in conjunction with State agencies and technical consultants during the next reporting period to progress the EIS, MOP and mine closure plans.
Further details of the proposed actions of the next reporting period are provided in Section 14.
Truck dispatch (see Table 15).
As per and within the approved hours of operation.
N/A N/A
Train loading and dispatch (see Table 15).
As per and within the approved hours of operation.
N/A No train loading and dispatch was undertaken during the reporting period.
Transport (road)
250,000 tonnes product coal
Nil N/A No coal was transport on public roads during the reporting period.
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5. ACTIONS REQUIRED FROM PREVIOUS ANNUAL REVIEW
5.1. Annual Review
The 2015 Charbon Colliery Annual Review was not submitted by the 31 March 2016 as required by the Project Approval (PA 08_0211), and additionally the 2015 Annual Review submitted did not satisfy all requirements of the Project Approval, consequently a warning letter was issued by the Department of Planning and Environment (DPE) on 12 May 2016. The 2015 Annual Review was re-submitted to the DPE on 12 September 2016. The DPE reviewed the re-submitted 2015 Annual Review and requested the following matters to be addressed in future Annual Reviews:
a) “Provide plans which show the site in a regional context, the approval boundary, the current operational footprint and rehabilitation areas (including status) and offset areas;
b) Include water quality limits in Table 38; c) Include an additional column in Table 44 which states whether the action as
identified in the 2015 Independent Environmental Audit (IEA) has been completed or the date by which it is planned to be completed;
d) Include additional information in Section 8 – Rehabilitation, including the outcomes of any trials, key issues that may affect rehabilitation and a discussion of progress of rehabilitation towards agreed post-rehabilitation land uses.
e) Include timeframes for actions planned to be undertaken in the next reporting period in Section 12; and
f) Report on waste management and minimization in accordance with Schedule 3 Condition 46.” Where items have been addressed in the 2016 annual review is presented in the table below.
Table 15 Actions from 2015 Annual Review Letter
Letter
Reference
Requirement Charbon Response Page reference
A Provide plans which show the site in a regional context, the approval boundary, the current operational footprint and rehabilitation areas (including status) and offset areas;
Regional Context is presented in Figure 1.
Approval boundary is presented Figure 1 and Figure 2.
Operational (disturbance) footprint, Rehabilitation and Offset areas is presented Figure 2.
10-11
B Include water quality limits in Table 38;
Table 33 includes water quality limits
48
C Include an additional column in Table 44 which states whether the action as identified in the 2015 Independent Environmental Audit (IEA) has been completed or the date by
Table 41 provides an update on Independent Audit and expected completion date
76
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which it is planned to be completed;
D Include additional information in Section 8 – Rehabilitation, including the outcomes of any trials, key issues that may affect rehabilitation and a discussion of progress of rehabilitation towards agreed post-rehabilitation land uses.
Additional information was included in the 2016 Annual Review in Section 8 to provide additional information in regards to rehabilitation activities in site.
58
E Include timeframes for actions planned to be undertaken in the next reporting period in Section 12; and
Table 58 includes timeframes for actions proposed in the next reporting period.
107
F Report on waste management and minimization in accordance with Schedule 3 Condition 46.”
A discussion on waste management has been presented in section 12.
91
Charbon Colliery was also requested by the DPE to provide an update on the status of actions from the Independent Environmental Audit and upload the following information to the Charbon Colliery website by 11 November 2016:
• Noise Management Plan
• Air Quality Management Plan
• Blast Management Plan
• Environmental Management Strategy
• Minutes from all the Community Consultative Committee meetings; and
• Complaints register.
5.2. 2015 Independent Environmental Audit
The DPE requested a response to the following matters raised by the Independent Environmental Audit (IEA) dated 14 May 2015, by 29 July 2016:
a) “Schedule 3 Condition 30 – the 2015 IEA recommends that the “Water Management Plan by updated to the satisfaction of DP&E to reflect actual monitoring and in consideration of the move to closure of operation.” Evidence is to be provided that the Water Management Plan has been updated and submitted to the Department, and that consultation was undertaken with the NSW Office of Water; and
b) Schedule 3 Condition 33 – the response to the 2015 IEA states that “Charbon is currently in the process of commissioning ALS to implement groundwater monitoring as outlined in Charbon’s Groundwater Monitoring Plan.” Evidence is to be provided that this monitoring program has been undertaken, with all results from the groundwater monitoring to date to be provided.”
DPE also requested an updated copy of the Water Management Plan be provided to DPE via email and copies of the IEA and the updated Water Management Plan be uploaded to the Charbon Colliery Website by 29 July 2016.
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5.3. Water Management Plan Revision
As a result of a Penalty Notice issued by the DPE on 11 October 2016, DPE requested Charbon revise its Water Management Plan in consultation with NSW Office of Water and EPA to reflect the current operational status of the site by 31 December 2016.
Charbon Coal requested an extension on the revised management plan submission date to DPE, which was extended to the 31 March 2017.
Additionally, a Pollution Response Plan (PRP) was issued by the EPA to Charbon in response to several non-compliances with EPL 528 during 2016, to improve water management control on site in the short term. Charbon has worked with the EPA during 2016 and will continue to implement the PRP into early 2017, until such time that the EPA is satisfied that the PRP has been completed.
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6. ENVIRONMENTAL PERFORMANCE
Table 16 Environmental Performance
Aspect Approval criteria/ EIS prediction
Performance during the reporting period (actual)
Trend/ key management implications
Implemented / proposed management action
Noise As per Schedule 3, Condition 1 of PA 08_0211 and Condition L5.1 of EPL528.
Compliant with approval criteria.
See section 6.1
Results trending down. Mining and processing operations have ceased.
Continue to maintain compliance with all relevant approvals.
Blasting As per Schedule 3, Condition 10-18 of PA 08_0211 and Condition L6 of EPL528.
N/A – Charbon Colliery did not conduct any blasts within the reporting period.
See section 6.2
No Trends. Charbon Colliery has ceased blasting.
N/A - Charbon Colliery has ceased blasting.
Air quality As per Schedule 3, Condition 19-22 of PA 08_0211 and Condition L6 of EPL528.
Compliant with approval criteria.
See section 6.3
Mining and processing operations have ceased.
Results generally trending down
Continue to maintain compliance with all relevant approvals.
Biodiversity As per Schedule 4, Condition 1-3 of PA 08_0211 and Charbon EPBC Approval 2010/5498.
Currently working with State and Commonwealth agencies to determine biodiversity performance during the 2016 reporting period.
No Trends. Charbon will continue extensive weed spraying campaigns and feral and pest species management during the 2017 period.
Heritage As per Schedule 3, Condition 34 of PA 08_0211
Charbon prosecuted for the disturbance of the artefact scatter, from haul road construction in 2012.
Negative - as a result of event in 2012.
Current activities are subject to a rigorous land disturbance permitting processes.
Continue to engage the Aboriginal stakeholders in both on and off site discussions. Continue to implement the new land disturbance procedure.
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Aspect Approval criteria/ EIS prediction
Performance during the reporting period (actual)
Trend/ key management implications
Implemented / proposed management action
Water (surface)
EPL 528 Charbon was issued 69 water quality non-compliances with EPL 528 as a result of discharges from LDPs.
Negative – as a result of non-compliant events.
Site undertook construction of a diversion contour drain and maintenance activities on water management structures on site to improve water management capacity.
Continue to maintain and improve water management structures on site.
Water (groundwater)
GWMP Continued to monitor ground water from two bores located at the CHPP.
No Trends. Continue to monitor ground water from two bores located at the CHPP. Locate and attempt to monitor a 3rd bore as required by the GWMP.
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6.1. NOISE
Noise monitoring is conducted quarterly to measure the ambient noise levels at the focus receptor locations (potentially worst affected) surrounding the mine and coal handling facilities in accordance with Schedule 3 Condition 1 of Project Approval 08_0211 and Condition L5.1 of EPL528, shown in Table 17 below.
Quarterly noise surveys comprise of operator attended monitoring in 15 minute intervals coinciding with day, evening and night-time periods. Evening and night monitoring was not conducted during the Q1, Q2 and Q3 reporting period as no activities were occurring on site during these time periods. Statistical indices recorded include LAmax, LA1, LA10, LA90 and LAeq. The results of noise monitoring conducted at Charbon during Q1 (March), Q2 (June), Q3 (September) and Q4 (December) 2016 are shown below under the relevant sub-headings. The location of the focus receptors is provided in Figure 45.
Table 17 Charbon Noise Criteria (EPL528)
Note: R1 = Location P, R3 = Location I, R6 = Location F, ‘All other land’ = Location L.
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6.1.1 Q1 (MARCH) NOISE MONITORING RESULTS – 2016 Table 18 Q1 (March) 2016 – Daytime Noise Monitoring Results
Licensee:
Address:
EPL No.
Measured Noise Levels dB(A)
Day LA max LA1 LA10 LA90 LAeq
Estimated Mine
Contribution LA eq (15
minute)* dB
Description of Noise
Emissions
Date/Start
Time/Weather
Location F*** 56 49 41 30 38 0
Birds 25 - 56 dB
Distant road traffic ~ 20 dB
Insects 25 - 45 dB
Breeze in foliage ~ 25 dB
Other sources = livestock
Charbon Colliery inaudible
23/03/2016 13:15
W = 3.3m/s
Temp = 22oC
VTG = -2.0o/100m
Location I*** 45 43 40 31 36 0
Insects up to 45 dB
Other sources = breeze in
foliage, breeze on the
microphone, birds, farm
machinery continuum
Charbon Colliery inaudible
23/03/2016 12:49
W = 1.9 m/s
Temp = 21oC
VTG = -2.0o/100m
Location L 51 42 32 24 31 0
Birds up to 51 dB
Distant road traffic ~ 25 dB
Insects up to 33 dB
Breeze in foliage ~ 35 dB
Other sources = aircraft,
livestock
Charbon Colliery inaudible
23/03/2016 12:19
W = 1.5 m/s
Temp = 20oC
VTG = -2.0o/100m
Location P 53 42 37 26 33 0
Birds – up to 53 dB
Road traffic up to 40 dB
Farm machinery continuum
<30 dB
Other sources = breeze in
foliage
Charbon Colliery inaudible
23/03/2016 11:40
W = 1.6 m/s
Temp = 20oC
VTG = -2.0o/100m
Noise consent limits
with units of measure 35
*Estimate/approximation - whole numbers used in order to be able to display graphically
***Compensation Agreement in place - Consent limit not applicable for this location
Data Obtained: 10/04/2016 528
Data Published: Charbon Coal Pty Ltd
Data Sampled: 23/03/2016 Charbon Rd Charbon NSW 2848
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Figure 4 Q1 (March) 2016 – Daytime Noise Monitoring Results
All locations at all times were compliant with consent conditions. A summary of noise monitoring results, consent conditions and compliance with consent conditions, can be seen in Table 19 below.
Table 19 Noise Monitoring Q1 (March) 2016 – Summary of Compliance
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6.1.2 Q2 (JUNE) NOISE MONITORING RESULTS – 2016 Table 20 Q2 (June) 2016 – Daytime Noise Monitoring Results
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Figure 5 Q2 (June) 2016 – Daytime Noise Monitoring Results
All locations at all times during Q2 (June) 2016 were compliant. A summary of noise monitoring results, consent conditions and compliance with consent conditions, can be seen in Table 21 below.
Table 21 Noise Monitoring Q2 (June) 2016 – Summary of Compliance
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6.1.3 Q3 (SEPTEMBER) NOISE MONITORING RESULTS – 2016 Table 22 Q3 (September) 2016 – Daytime Noise Monitoring Results
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Figure 6 Q3 (September) 2016 – Daytime Noise Monitoring Results
All locations at all times during Q3 (September) 2016 were compliant. A summary of noise monitoring results, consent conditions and compliance with consent conditions, can be seen in Table 23 below.
Table 23 Noise Monitoring Q3 (September) 2016 – Summary of Compliance
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6.1.4 Q4 (DECEMBER) NOISE MONITORING RESULTS – 2016 Table 24 Q4 (December) 2016 – Daytime Noise Monitoring Results
Figure 7 Q4 (December) 2016 – Daytime Noise Monitoring Results
Licensee:
Address:
EPL No.
Measured Noise Levels dB(A)
Day LA max LA1 LA10 LA90 LAeq
Estimated Mine
Contribution LAeq(15
minute)*
Description of
Noise Emissions
Date/Start
Time/Weather
Location F 62 45 39 29 36 25
Birds = up to 62 dB
Insects = <25 dB
Other sources = breeze
in foliage, noise from
property
Charbon Colliery = <30
dB
30/11/2016 10:59
W = 3.1m/s
Temp = 24oC
VTG = -
2.0ºC/100m
Location I 66 52 42 30 41 0
Birds = up to 66 dB
Breeze in foliage = <35
dB
Truck at property = <40
Other sources = sheep,
cows, horses
Charbon Colliery
inaudible
30/11/2016 10:36
W = 2.0m/s
Temp = 24oC
VTG = -
2.0ºC/100m
Location L 62 54 42 26 40 0
Aircraft = up to 55 dB
Birds = up to 62 dB
Insects = 30 – 35 dB
Other noise sources =
horses, breeze in
foliage, distant road
traffic
Charbon Colliery
inaudible
30/11/2016 10:12
W = 3.0m/s
Temp = 23oC
VTG = -
1.8ºC/100m
Location P 58 51 44 36 41 0Birds = <50 dB
Aircraft = up to 52 dB
30/11/2016 09:40
W = 3.2m/s
Temp = 23oCNoise consent limits
with units of measure 35
*Estimate/approximation - whole numbers used in order to be able to display graphically
Data Obtained: 528
Data Published: Charbon Coal Pty Ltd
Data Sampled: 30/11/2016 Charbon Rd Charbon NSW 2848
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Table 25 Q4 (December) 2016 – Evening Noise Monitoring Results
Figure 8 Q4 (December) 2016 – Evening Noise Monitoring Results
Licensee:
Address:
EPL No.
Measured Noise Levels dB(A)
Evening LA max LA1 LA10 LA90 LAeq
Estimated Mine
Contribution LA eq (15
minute)*
Description of
Noise Emissions
Date/Start
Time/Weather
Location F 48 42 35 29 33 0
Birds = up to 48 dB
Frogs = ~30 dB
Aircraft = up to 43 dB
Other sources =
insects, impact noise,
dog
Charbon Colliery
inaudible
29/11/2016 19:47
W = 1.4m/s
Temp = 20oC
VTG =
3.0ºC/100m
Location I 59 53 47 22 42 0
Birds = up to 38 dB
Breeze in foliage = <25
dB
Insects = <25 dB
Dog = up to 50 dB
Cows = up to 44 dB
Other sources = sheep,
noise from property
Charbon Colliery
inaudible
29/11/2016 19:24
W = 2.7m/s
Temp = 20oC
VTG = 3.0ºC/100m
Location L 55 52 48 29 44 0
Breeze in foliage = <30
dB
Frogs/insects = up to
50 dB
Other sources =birds,
horses, aircraft, cows
Charbon Colliery
inaudible
29/11/2016 20:10
W = 1.2m/s
Temp = 18oC
VTG = 3.0ºC/100m
Location P 54 48 40 27 37 0
Birds = up to 54 dB
Road traffic = <35 to 45
dB
Insects = <25 dB
Limeworks continuum =
<25 dB
Other noise sources =
Dog
Charbon Colliery
inaudible
29/11/2016 18:55
W = 2.0m/s
Temp = 21oC
VTG = 3.0ºC/100m
Noise consent limits
with units of measure 35**
*Estimate/approximation - whole numbers used in order to be able to display graphically
**Location P has an evening Consent Condition of 39 dBA Laeq(15minute)
Data Published: Charbon Coal Pty Ltd
Data Sampled: 29/11/2016 Charbon Rd Charbon NSW 2848
Data Obtained: 528
010203040506070
LA max LA1 LA10 LA90 LAeq Estimated MineContribution LAeq (15 minute)*
dB(A)
Noise Descriptor
Evening Noise Monitoring, Charbon Colliery, 29/11/2016
Location F Location I Location L Location P
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Table 26 Q4 (December) 2016 – Night-time Noise Monitoring Results
Figure 9 Q4 (December) 2016 – Night-time Noise Monitoring Results
Licensee:
Address:
EPL No.
Measured Noise Levels dB(A)
Night LA max LA1 LA10 LA90 LAeq
Estimated Mine
Contribution LA eq (15
minute)*
Description of
Noise Emissions
Date/Start
Time/Weather
Location F 56 52 48 40 45 0
Frogs/insects = 40 – 55
dB
Other sources = breeze
in foliage
Charbon Colliery
inaudible
29/11/2016 22:23
W = 1.8m/s
Temp = 17oC
VTG =
3.0ºC/100m
Location I 55 51 45 36 42 0
Breeze in foliage = 35 -
~45 dB
Aircraft = up to 55 dB
Other sources = Dog,
frogs, insects, horses,
cows
Charbon Colliery
inaudible
29/11/2016 22:01
W = 2.6m/s
Temp = 17oC
VTG = 3.0ºC/100m
Location L 62 56 46 29 43 0
Frogs/insects = <30 dB
Breeze in foliage = <30
dB
Aircraft = up to 62 dB
Other sources = dog
Charbon Colliery
inaudible
29/11/2016 22:47
W = 1.9m/s
Temp = 16oC
VTG = 3.0ºC/100m
Location P 54 49 43 33 39 0
Limeworks continuum –
up to 42 dB
Frogs = up to 50 dB
Insects = <30 dB
Other noise sources =
Breeze in foliage, road
traffic
Charbon Colliery
inaudible
29/11/2016 23:16
W = 1.8m/s
Temp = 16oC
VTG = 3.0ºC/100m
Noise consent limits
with units of measure 35**
*Estimate/approximation - whole numbers used in order to be able to display graphically
**Location P has a night Consent Condition of 39 dBA Laeq(15minute)
Data Published: Charbon Coal Pty Ltd
Data Sampled: 29/11/2016 Charbon Rd Charbon NSW 2848
Data Obtained: 528
0
10
20
30
40
50
60
70
LA max LA1 LA10 LA90 LAeq Estimated MineContribution LAeq (15 minute)*
dB(A)
Noise Descriptor
Night Noise Monitoring, Charbon Colliery, 29/11/2016
Location F Location I Location L Location P
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All locations at all times during Q4 (December) 2016 were compliant. A summary of noise monitoring results, consent conditions and compliance with consent conditions, can be seen in the Table 27 below.
Table 27 Noise Monitoring Q4 (December) 2016 – Summary of Compliance
In accordance with Schedule 8 Condition 8c the annual review shall report on the investigations and implementation on the effectiveness of noise controls. During the reporting period there were no exceedances of the noise criteria therefore current noise controls installed are considered to be effective in mitigating noise impacts.
6.1.4 HISTORIC NOISE MONITORING RESULTS
Charbon Colliery noise monitoring data from 2012-2015 have been graphically compared to the 2016 noise monitoring results. Locations L and P are the only two remaining locations at Charbon that are not subject to Negotiated Agreements.
Overall, there is generally a slight trend in higher noise readings during 2016 compared to previous years. Although readings are slightly higher than previous years, noise monitoring reporting did not identify the mine as contributing any noise to these receivers during the 2016 monitoring period. Futhermore, no mining operations were occurring during the 2016 reporting period at Charbon.
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Figure 10 Location L - Daytime Noise Monitoring Results, 2012 - 2016
Figure 11 Location L - Evening Noise Monitoring Results, 2012 - 2016
0
5
10
15
20
25
30
35
Q1 Q2 Q3 Q4
dB
A
Location L - Evening (LAeq)
2012 2013 2014 2016
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Figure 12 Location L - Night-time Noise Monitoring Results, 2012 - 2016
Figure 13 Location P - Daytime Noise Monitoring Results, 2012 - 2016
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Figure 14 Location P - Evening Noise Monitoring Results, 2012 - 2016
Figure 15 Location P – Night-time Noise Monitoring Results, 2012 - 2016
6.2. BLASTING
Blasting did not occur at Charbon during the 2016 reporting period. Blasting commenced at Charbon in November 2006 and occurred periodically until 2010, with the last blast occurring on 20 August 2010. Blast monitoring and compliance results for Charbon Colliery can be found within previous Annual Reviews.
6.3. AIR QUALITY
Operations at Charbon Colliery are undertaken to minimise the generation of airborne dust. Water trucks continually operate during adverse weather conditions to ensure that dust from workings and haul roads is controlled. Soil handling is undertaken, whenever possible, during times when there is little or no wind.
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Schedule 3, Condition 19 of PA 08_0211 requires that the air pollution generated by the development does not exceed the criteria listed in Table 28. Schedule 3, Condition 22 of PA 08_0211 requires High Volume Air Sampler (HVAS) and depositional dust monitoring.
PA 08_0211 limits are adopted as the impact assessment criteria in the Air Quality Management Plan (AQMP).
The Air Quality Monitoring Program at Charbon Colliery consists of the following:
• Six dust deposition gauges;
• One on-site Automatic Weather Station (AWS);
• One HVAS (measuring Total Suspended Particulate [TSP] matter and Particulate Matter <10µm [PM10]).
Table 28 Charbon Air Quality Criteria
Pollutant Period Criterion
Total Suspended Particulate
(TSP) matter
Annual mean 90µg/m3
Particulate Matter <10µm (PM10) Annual mean 30µg/m3
24 hour max. 50µg/m3
Deposited Dust Monthly max.(annual average) 4g/m2/month
Maximum increase on previous year
(annual average)
2g/m2/month
6.3.1 DEPOSITIONAL DUST MONITORING RESULTS – 2016
Depositional dust (g/m2/mth) results (insoluble solids) for 2016 are shown in Table 29 below. Monthly depositional dust (g/m2/mth) results for 2016 are shown in graphically in Figure 16.
EPL 528 does not include a licence limit for depositional dust, however a rolling average air quality criteria of 4 g/m2/mth is commonly used for comparison purposes. All depositional dust results for 2016 are in compliance with Charbon’s annual depositional dust consent condition limits.
Detailed monitoring results are described in monthly environmental data reports published on the Charbon Colliery website. Depositional dust gauge monitoring locations are shown in Figure 45.
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Table 29 Charbon Depositional Dust Monitoring Results 2016
Location Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
DM - South 0.6 0.5 2.5 0.7 0.3 0.3 0.2 0.2 0.3 0.3 0.8 3.6
DM - West 0.6 0.6 0.8 0.6 0.3 0.2 0.2 0.5 0.4 0.2 0.4 0.7
Nioka 0.5 0.6 1.5 0.5 0.8 0.1 0.2 0.2 0.3 0.3 0.4 0.8
Pit Top 0.5 0.7 0.5 0.8 0.7 <0.1 0.2 0.2 0.5 0.5 0.9 1.6
DM - C 0.5 1.1 0.5 1.4 0.4 0.4 0.2 0.1 0.2 0.3 0.6 1
DM - HL1 - - - - - - - - - - - -
Annual Average Limit
(4g/m2/mth)
4 4 4 4 4 4 4 4 4 4 4 4
Note: 1 DM-HL does not have an access agreement, no data/samples collected during the 2016
sampling period.
Figure 16 Depositional Dust Monitoring Results 2016
6.3.2 HISTORIC DEPOSITIONAL DUST MONITORING RESULTS
Depositional dust monitoring results from 2012-2015 have been graphically compared to the 2016 depositional dust results in Figure 17 to 22. As shown in Figure 23 below, all annual average depositional dust results from 2012 to 2016 are below the annual average limit of 4/m2/mth and the 2/m2/mth maximum increase.
Detailed air quality monitoring results can be found within the monthly environmental data reports located on the Charbon Colliery website.
0
1
2
3
4
5
6
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
Insoluable Solids (g/m
2 /mth)
2016 Monthly Depositional Dust
DM - South DM - WestNioka Pit TopDM - C DM - HLAnnual Average Limit (4g/m2/mth)
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Figure 17: Depositional Dust Monitoring Comparison for DM-South, 2012 – 2016
Figure 18 Depositional Dust Monitoring Comparison for DM-West, 2012 – 2016
Figure 19 Depositional Dust Monitoring Comparison for Nioka, 2012 – 2016
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Inso
luab
le S
olid
s (
g/m
2/m
th)
DM - South
2012 2013 2014 2015 2016 Annual Average Limit (4g/m2/mth)
0
1
2
3
4
5
6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Inso
luab
le S
olid
s (
g/m
2/m
th)
DM - West
2012 2013 2014 2015 2016 Annual Average Limit (4g/m2/mth)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Inso
luab
le S
olid
s (
g/m
2/m
th)
Nioka
2012 2013 2014 2015 2016 Annual Average Limit (4g/m2/mth)
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Figure 20 Depositional Dust Monitoring Comparison for Pit Top, 2012 – 2016
Figure 21 Depositional Dust Monitoring Comparison for DM-C, 2012 – 2016
Figure 22 Depositional Dust Monitoring Comparison for DM-HL, 2012 – 2016
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Inso
luab
le S
olid
s (
g/m
2/m
th)
Pit Top
2012 2013 2014 2015 2016 Annual Average Limit (4g/m2/mth)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Inso
luab
e S
olid
s (
g/m
2/m
th)
DM - C
2012 2013 2014 2015 2016 Annual Average Limit (4g/m2/mth)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Inso
luab
e S
olid
s (
g/m
2/m
th)
DM - HL
2012 2013 2014 2015 2016 Annual Average Limit (4g/m2/mth)
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Figure 23 Annual Average Depositional Dust Results, 2012 – 2016
6.3.3 HVAS MONITORING RESULTS - 2016
High volume air samplers (HVAS) monitor particulate concentrations (less than 10 micrometres in size [PM10] and Total Suspended Particulates [TSP]) during the reporting period. A summary of monitoring results for 2016 are provided below.
Table 30 Charbon HVAS TSP Monitoring Results, 2016
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
2012 2013 2014 2015 2016
Inso
luab
le S
olid
s (
g/m
2/m
th)
ANNUAL AVERAGE DEPOSITIONAL DUST
DM-South DM-WestNioka PitTopDM-C DM-HLAnnual Average Limit (4g/m2/mth)
Data Published: 14/01/2016 Licensee: Charbon Coal Pty Ltd
Data Sampled: 8/1/2016 – 31/12/2016 Address:
Charbon Rd Charbon NSW 2848
Data Obtained: 14/01/2017 EPL No. 528
6-Jan-16
12-Jan-16
18-Jan-16
24-Jan-16
30-Jan-16
5-Feb-16
11-Feb-16
17-Feb-16
23-Feb-16
29-Feb-16
6-Mar-16
TSP (ug/m3) 24 hr concentration
5 45.4 12.7 14.3 6.3 17.7 20.3 30.9 18.6 12.7 14.5
Annual Average TSP Limit (90µg/m3)
90 90 90 90 90 90 90 90 90 90 90
12-Mar-16
18-Mar-16
24-Mar-16
30-Mar-16
5-Apr-16
11-Apr-16
17-Apr-16
23-Apr-16
29-Apr-16
5-May-16
11-May-16
TSP (ug/m3) 24 hr concentration
13 11.2 20 25.4 32.2 30.9 49.9 9.8 23.2 11.6 8.9
Annual Average TSP Limit (90µg/m3)
90 90 90 90 90 90 90 90 90 90 90
17-May-
23-May-
29-May-
4-Jun-10-Jun-
16-Jun-
22-Jun-
28-Jun-
4-Jul- 10-16-Jul-
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Table notes: HV - High Volume Air Sampler; * Power outage – no result recorded.
Figure 24 HVAS TSP Results for 2016
0
10
20
30
40
50
60
70
80
90
100
06-Jan-16
06-Feb-16
06-Mar-16
06-Apr-16
06-May-16
06-Jun-16
06-Jul-16
06-Aug-16
06-Sep-16
06-Oct-16
06-Nov-16
06-Dec-16
Particulate Matter Concentration TSP (ug/m
3 )
HV1 TSP Nioka
TSP (ug/m3) 24 hr concentration
16 16 16 16 16 16 16 16 16 Jul-16 16
TSP (ug/m3) 24 hr concentration
11.5 19.4 6.6 3.3 4.3 9 4.2 4.4 7.4 5.5 6.9
Annual Average TSP Limit (90µg/m3)
90 90 90 90 90 90 90 90 90 90 90
22-
Jul-16 28-
Jul-16
3-Aug-16
9-Aug-16
15-Aug-16
21-Aug-16
27-Aug-16
2-Sep-16
8-Sep-16
14-Sep-16
20-Sep-16
TSP (ug/m3) 24 hr concentration
7 4.2 6.8 8.5 11.7 7.7 9.9 7.4 12.7 3.9 8.9
Annual Average TSP Limit (90µg/m3)
90 90 90 90 90 90 90 90 90 90 90
26-Sep-16
2-Oct-16
8-Oct-16
14-Oct-16
20-Oct-16
26-Oct-16
1-Nov-16
7-Nov-16
13-Nov-16
19-Nov-16
25-Nov-16
TSP (ug/m3) 24 hr concentration
20.7 51.8 16.6 19.5 16.7 20.7 24.9 29.8 28.8 18.5
Annual Average TSP Limit (90µg/m3)
90 90 90 90 90 90 90 90 90 90 90
1-Dec-16
7-Dec-16
13-Dec-16
19-Dec-16
25-Dec-16
31-Dec-16
TSP (ug/m3) 24 hr concentration
26.8 28.3 44.1 20.8 13.6 18.9
Annual Average TSP Limit (90µg/m3)
90 90 90 90 90 90 90 90 90 90 90
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Table 31 HVAS PM10 Monitoring Results, 2016
Data Published: 14/01/2016 Licensee: Charbon Coal Pty Ltd
Data Sampled: 8/1/2016 – 31/12/2016 Address: Charbon Rd Charbon NSW
2848
Data Obtained: 14/01/2017 EPL No. 528
6-Jan-16
12-Jan-16
18-Jan-16
24-Jan-16
30-Jan-16
5-Feb-16
11-Feb-16
17-Feb-16
23-Feb-16
29-Feb-16
6-Mar-16
PM10 (µg/m3) 24 hr concentration
3.1 21.4 7.6 10.4 18.3 11.3 10.5 17.1 8.6 7.6 8.8
24 hr PM10 limit
50 50 50 50 50 50 50 50 50 50 50
12 month average PM10 limit
30 30 30 30 30 30 30 30 30 30 30
12-Mar-16
18-Mar-16
24-Mar-16
30-Mar-16
5-Apr-16
11-Apr-16
17-Apr-16
23-Apr-16
29-Apr-16
5-May-16
11-May-16
PM10 (µg/m3) 24 hr concentration
8.4 6.2 12.7 12.4 19.7 16.4 25.6 5.8 13.7 7.6 12.5
24 hr PM10 limit
50 50 50 50 50 50 50 50 50 50 50
12 month average PM10 limit
30 30 30 30 30 30 30 30 30 30 30
17-May-16
23-May-16
29-May-16
4-Jun-16
10-Jun-16
16-Jun-16
22-Jun-16
28-Jun-16
4-Jul-16
10-Jul-16
16-Jul-16
PM10 (µg/m3) 24 hr concentration
7.1 9.8 5.2 2.5 3.8 5.3 3.3 3.6 4.6 3.6 4.9
24 hr PM10 limit
50 50 50 50 50 50 50 50 50 50 50
12 month average PM10 limit
30 30 30 30 30 30 30 30 30 30 30
22-Jul-16
28-Jul-16
3-Aug-16
9-Aug-16
15-Aug-16
21-Aug-16
27-Aug-16
2-Sep-16
8-Sep-16
14-Sep-16
20-Sep-16
PM10 (µg/m3) 24 hr concentration
4.2 3 4.4 5.2 7.1 5.6 4.9 3 9.3 2.9 4.8
24 hr PM10 limit
50 50 50 50 50 50 50 50 50 50 50
12 month average PM10 limit
30 30 30 30 30 30 30 30 30 30 30
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26-Sep-16
2-Oct-16
8-Oct-16
14-Oct-16
20-Oct-16
26-Oct-16
1-Nov-16
7-Nov-16
13-Nov-16
19-Nov-16
25-Nov-16
PM10 (µg/m3) 24 hr concentration
6.2 8.4 22.8 9.5 10.3 8.2 9.2 12.4 11.3 15.4 8.1
24 hr PM10 limit
50 50 50 50 50 50 50 50 50 50 50
12 month average PM10 limit
30 30 30 30 30 30 30 30 30 30 30
1-Dec-16
7-Dec-16
13-Dec-16
19-Dec-16
25-Dec-16
31-Dec-16
PM10 (µg/m3) 24 hr concentration
12.2 9.9 18.3 11.2 8.7 10.7
24 hr PM10 limit
50 50 50 50 50 50 50 50 50 50 50
12 month average PM10 limit
30 30 30 30 30 30 30 30 30 30 30
Table notes: HV - High Volume Air Sampler; * Power outage – no result recorded.
Figure 25 HVAS PM10 Results for 2016
In accordance with Schedule 3 Condition 19 of Project Approval 08_0211, Total Suspended Particulates (TSP) have an annual average limit of 90 µg/m3 for a 24 hour period, whilst particulate matter less than 10 micrometres in size (PM10) has a 24 hour limit of 50 µg/m3 and an annual average limit of 30 µg/m3, respectively.
0
10
20
30
40
50
60
01-Jan-16
01-Feb-16
01-Mar-16
01-Apr-16
01-May-16
01-Jun-16
01-Jul-16
01-Aug-16
01-Sep-16
01-Oct-16
01-Nov-16
01-Dec-16
Particualte Matter Concentration PM10 (ug/m
3 )
HV1 PM10 Nioka
PM10 (µg/m3) 24 hr concentration 24 hr PM10 limit 12 month average PM10 limit
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All of the HVAS monitoring results for 2016 are below limits of Project Approval 08_0211 as outlined above.
Referring to Table 30 and Table 31and the corresponding Figure 24 and Figure 25, there have been no exceedances for HVAS during the 2016 reporting period. No results were recorded on 26 September 2016 due to an external power outage. Detailed monitoring results are described in monthly environmental data reports on the Charbon Colliery website.
6.3.4 HISTORIC HVAS MONITORING RESULTS
HVAS results for TSP and PM10 have been graphically represented, in Figure 26 and Figure 27 respectfully, to show trends in monthly average results from 2012 to 2016. Annual average comparisons in TSP and PM10 are shown in Figure 27 and Figure 29 respectively.
Figure 26 HVAS TSP Monthly Average Comparison, 2012 – 2016
Figure 27 HVAS TSP Annual Average Comparison, 2012 – 2016
0
10
20
30
40
50
60
70
80
90
100
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
TS
P (
ug
/m3)
HVAS TSP MONTHLY AVERAGE RESULTS
2012 2013 2014 2015 2016 Annual Average TSP Limit (90µg/m3)
0
5
10
15
20
25
2012 2013 2014 2015 2016
TS
P (
ug
/m3)
TSP ANNUAL AVERAGE RESULTS
Annual Average TSP
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Figure 28 HVAS PM10 Monthly Average Comparison, 2012 - 2016
Figure 29 HVAS PM10 Annual Average Comparison 2012 – 2016
0
10
20
30
40
50
60
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
PM
10 (
µg
/m3)
HVAS PM10 MONTHLY AVERAGE RESULTS
2012 2013
2014 20152016 24 hr PM10 limit12 month average PM10 limit
0
2
4
6
8
10
12
2012 2013 2014 2015 2016
PM
10 (
ug
/m3)
PM10 ANNUAL AVERAGE RESULTS
Annual Average PM10
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7. WATER MANAGEMENT
It is important to note that Table 32 reports on the WATER YEAR which is from 1 July 2015 to 30 June 2016, not the calendar year.
Table 32 Water Take
License # Water Sharing Plan, source and management zone (as applicable)
Entitlement Passive take / inflows
Active pumping
TOTAL
80BL243771 Sydney Basin - Murray Darling Basin Groundwater Source
5ML N/A 0 0
80AL706141D Sydney Basin - Murray Darling Basin Groundwater Source
30ML N/A 0 0
Note: Volume is reported in annual megalitres (ML)
7.1. SURFACE WATER
The following parameters are monitored at Licensed Discharge Points LDP002, LDP003, LDP004, LDP005 and LDP006 daily during discharge in accordance with the requirements of EPL528. All units are in mg/L unless noted. Electrical Conductivity (µS/cm) is also monitored in addition to EPL requirements.
Table 33 below is a summary of the water quality monitoring results as required by EPL528. The data displayed has been sampled for the reporting period from 1 January 2016 to 31 December 2016.
Table 33 Charbon Colliery Water Quality Summary, 1 Jan 2016 – 31 Dec 2016
Licenced Discharge Point (LDP)
Pollutant Unit of
measure
No. of
samples
required
No. of
samples
collected
and
analysed
Lowest
sample
value
Mean of
sample
Highest
sample
value
Licence
limit
LDP002 Conductivity
microsiemens per centimetre
29 33 234 336.3 957 N/A
Oil and Grease
milligrams per litre
29 33 <1 <2 4 10
pH pH 29 33 6.4 7.8 8.9 6.5-8.5
TSS milligrams per
litre 29 33 3 62.9 462 50
Turbidity nephelometric turbidity units
29 33 10.2 90.7 563 50
LDP003 Conductivity
microsiemens per centimetre
52 63 287 400.1 950 N/A
Oil and Grease
milligrams per litre
52 63 <1 <2 3 10
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Licenced Discharge Point (LDP)
Pollutant Unit of
measure
No. of
samples
required
No. of
samples
collected
and
analysed
Lowest
sample
value
Mean of
sample
Highest
sample
value
Licence
limit
pH pH 52 63 6.5 7.6 8.1 6.5-8.5
TSS milligrams per
litre 52 63 5 132.1 1,090 50
Turbidity nephelometric turbidity units
52 63 3.8 299.3 2,150 50
LDP004 Conductivity
microsiemens per centimetre
18 22 1,250 1,668.6 1,900 N/A
Oil and Grease
milligrams per litre
18 22 <2 <2 3 10
pH pH 18 22 7.6 7.8 8.0 6.5-8.5
TSS milligrams per
litre 18 22 2 6.2 16 50
Turbidity nephelometric turbidity units
18 22 1 4.9 14.6 50
LDP005 Conductivity
microsiemens per centimetre
35 37 359 1,065.6 1,490 N/A
Oil and Grease
milligrams per litre
35 37 <1 <2 <2 10
pH pH 35 37 6.7 7.2 7.6 6.5-8.5
TSS milligrams per
litre 35 37 2 13.0 194 50
Turbidity nephelometric turbidity units
35 37 1.1 23.5 328 50
LDP006 Conductivity
microsiemens per centimetre
10 10 128 193.4 433 N/A
Oil and Grease
milligrams per litre
10 10 <1 <2 <2 10
pH pH 10 10 7.2 7.4 7.7 6.5-8.5
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Licenced Discharge Point (LDP)
Pollutant Unit of
measure
No. of
samples
required
No. of
samples
collected
and
analysed
Lowest
sample
value
Mean of
sample
Highest
sample
value
Licence
limit
TSS milligrams per
litre 10 10 13 488.5 1,660 50
Turbidity nephelometric turbidity units
10 10 14.5 1,240.6 4,020 50
Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 30 Surface Water pH Results, 2016 of EPL
6
7
8
9
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
pH units
Surface Water pH
LDP002 LDP003 EPL lower limit
EPL upper limit LDP004 LDP005
LDP006
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Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 31 Surface Water Total Suspended Solids (TSS) Results, 2016
Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 32 Surface Water Turbidity Results, 2016
0
200
400
600
800
1000
1200
1400
1600
1800
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
TSS (mg/L)
Surface Water TSS
LDP002 LDP003 LDP004 LDP005 LDP006 EPL limit
0
500
1000
1500
2000
2500
3000
3500
4000
4500
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
Turbidity (NTU)
Surface Water Turbidity
LDP002 LDP003 LDP004 LDP005 LDP006 EPL limit
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Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 33 Surface Water Electrical Conductivity (EC) Results, 2016
Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 34 Surface Water Oil & Grease Results, 2016
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
EC (us/cm
)Surface Water EC
LDP002 LDP003 LDP004 LDP005 LDP006
0
2
4
6
8
10
12
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
Oil
an
d G
rea
se
(m
g/L
)
Surface Water Oil and Grease
LDP002 LDP003 LDP004 LDP005 LDP006 EPL limit
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Table 34 Charbon Colliery – Total Discharged Water Volume, 2016
Licenced Discharge Point (LDP) Total Water Volume (ML) for Reporting Period (1 Jan 2016 – 31 Dec 2016)
LDP002 65.86
LDP003 238.32
LDP004 72.79
LDP005 86.46
LDP006 32.66
Note: Table includes data from discharges exempt under Condition L2.5 of EPL 528.
7.1.1 HISTORIC SURFACE WATER RESULTS
Annual surface water quality results for pH, TSS, Turbidity, EC and Oil & Grease form 2012 to 2016 have been graphically represented below. These comparisons are calculated from the annual average result for each water quality parameter during discharge events. Gaps in data are due to nil discharge during that period or data not being required under EPL528 at that point in time.
LDP004, LDP005 and LDP006 were only added to EPL528 in October 2014; Turbidity was also added at this time.
Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 35 Surface Water pH Results, 2012 – 2016
6
7
8
9
2012 2013 2014 2015 2016
pH
Un
its
pH Annual Average Comparison
LDP002 LDP003 LDP004 LDP005
LDP006 EPL Upper Limit EPL Lower Level
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Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 36 Surface Water TSS Results, 2012 – 2016
Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 37 Surface Water Turbidity Results, 2012 – 2016
0
100
200
300
400
500
2012 2013 2014 2015 2016
TS
S m
g/L
TSS Annual Average Comparison
LDP002 LDP003 LDP004 LDP005 LDP006 EPL Limit
0
200
400
600
800
1000
1200
1400
2012 2013 2014 2015 2016
NT
U
Turbidity Annual Average Comparison
LDP002 LDP003 LDP004 LDP005 LDP006 EPL Limit
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Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 38 Surface Water EC Results, 2012 – 2016
Note: Figure includes data from discharges exempt under Condition L2.5 of EPL 528.
Figure 39 Surface Water Oil & Grease Results, 2012 – 2016
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2012 2013 2014 2015 2016
Ele
ctr
ical
Co
nd
ucti
vit
y (
µS
/cm
) EC Annual Average Comparison
LDP002 LDP003 LDP004 LDP005 LDP006
0
2
4
6
8
10
12
2012 2013 2014 2015 2016
mg
/L
Oil & Grease Annual Average Comparison
LDP002 LDP003 LDP004 LDP005 LDP006 EPL Limit
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7.2. Groundwater
The Groundwater monitoring program presented in the Site Water Management Plan was subject to implementation of the GWMP PB2 and PB3 water quality results from 2016 are presented in Table 35. Water samples cannot be undertaken at GW800781 as there are pump lines within the privately owned bore. A revised Site Water Management Plan was submitted to the Department on the 27 February 2017 which included revision to the monitoring program. Table 35 Groundwater Monitoring 2016
Parameter
Unit
PB2
PB3
Minimum Median Maximum Minimum Median Maximum
Physicochemical parameters
EC µS/cm 1460 1660 3130 3740 3910 3940
pH
pH
units 5.1 7.8 9.0 5.2 5.5 6.0
TSS mg/L 7 18 214 10 18 28
Turbidity NTU 11 24 216 25 32 55
Major anions
Bicarbonate
alkalinity mg/L 26 96 127 13 48 168
Carbonate alkalinity mg/L 1 1 7 1 1 1
Hydroxide alkalinity mg/L 1 1 2 1 1 1
Total alkalinity mg/L 26 98 127 13 48 168
Chloride mg/L 1 72 80 1 126 132
Sulfate mg/L 470 738 1940 2120 2390 2900
Major cations
Calcium mg/L 16 40 286 280 324 370
Magnesium mg/L 140 169 262 296 343 378
Potassium mg/L 7 11 12 8 10 12
Sodium mg/L 72 81 103 99 105 118
Nutrients
Ammonia mg/L 0.02 0.19 0.43 0.01 0.47 0.74
Nitrate mg/L 0.01 0.02 0.1 0.01 0.05 0.05
Nitrite mg/L 0.01 0.01 0.1 0.01 0.05 0.05
Total Kjeldahl
nitrogen mg/L 0.2 0.6 0.8 0.2 1.5 2.5
Total nitrogen mg/L 0.2 0.6 0.8 0.2 1.5 2.5
Total phosphorus mg/L 0.01 0.01 0.08 0.01 0.01 0.08
Dissolved metals
Aluminium mg/L 0.01 0.03 1.27 0.19 0.78 0.90
Arsenic mg/L 0.001 0.001 0.003 0.001 0.001 0.005
Boron mg/L 0.05 0.05 0.06 0.05 0.05 0.05
Cadmium mg/L 0.0001 0.0001 0.0001 0.0001 0.0001 0.0002
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Chromium mg/L 0.001 0.001 0.001 0.001 0.001 0.001
Copper mg/L 0.001 0.001 0.002 0.001 0.001 0.001
Lead mg/L 0.001 0.001 0.001 0.001 0.001 0.001
Manganese mg/L 0.287 0.559 0.768 14.9 19.8 24.9
Mercury mg/L 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
Nickel mg/L 0.001 0.001 0.205 0.234 0.371 0.433
Selenium mg/L 0.01 0.01 0.01 0.01 0.01 0.01
Silver mg/L 0.001 0.001 0.001 0.001 0.001 0.001
Zinc mg/L 0.005 0.005 0.178 0.776 0.944 1.44
Other parameters
Total cyanide mg/L 0.004 0.004 0.004 0.004 0.004 0.004
A graphical representation is presented below for pH and Electrical Conductivity to show data trends at the PB2 and PB3.
Figure 40 Groundwater pH data 2015-2016
0
1
2
3
4
5
6
7
8
9
10
Jul-2015 Sep-2015 Nov-2015 Jan-2016 Mar-2016 May-2016 Jul-2016 Sep-2016
pH
PB2 PB3
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Figure 41 Groundwater Electrical Conductivity data 2015-2016
The groundwater quality at PB2 and PB3 is typical of groundwater within the Shoalhaven Group. This rock formation was deposited in a marine environment and therefore the quality is brackish to saline and the chemistry is very hard and magnesium/calcium – sulfate dominant. Some metals are naturally elevated. No trends in groundwater quality at PB2 and PB3 are evident for most parameters.
8. REHABILITATION
In accordance with the requirements of PA 08_0211 and relevant mining tenements, Charbon is required to rehabilitate the site to the satisfaction of the Department of Industry – Division of Resources and Energy (DRE). Following the cessation of mining in 2015 Charbon has now entered a closure and rehabilitation phase.
There were no building removed from the site during the reporting period.
The Stoney Creek Rehabilitation project commenced during 2016, which included the rehabilitation of 3Ha. This project is scheduled to be completed in 2017.
No rehabilitation trials were conducted during the reporting period. An overview of rehabilitation status is presented in Section 8.1.
8.1. Rehabilitation Monitoring
A Baseline Rehabilitation Monitoring Report has been designed and undertaken to monitor the achievement of rehabilitation progress against the objectives/criteria for the Charbon Colliery Closure Mining Operations Plan (MOP).
The 2016 baseline rehabilitation monitoring report provides an overview of the current status of Charbon rehabilitation sites, a comparison with control sites consummate with the surrounding landscape, and published benchmark data for the target rehabilitated plant community (PCT 863). Measurements of ecosystem composition, landform structure and soil surface characteristics were made at each rehabilitation site and will be used to track performance over the life of the rehabilitation and monitoring program. Currently, all rehabilitation sites appear to be stable with various levels of vegetation growth. At this early stage of rehabilitation monitoring, it is not clear how rapid natural
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
Jul-2015 Sep-2015 Nov-2015 Jan-2016 Mar-2016 May-2016 Jul-2016 Sep-2016
Ele
ctr
ical conductivity
(µS
/cm
)
PB2 PB3
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regeneration is or what limits to rehabilitation may arise in the future. Although the rehabilitation appears to be progressing (is not failing), a selection of management actions will be considered on an as required basis to improve rehabilitation success and enhance vegetation growth
Overall, the rehabilitation sites comply with the physical landform rehabilitation objectives
including land surface stability and drainage performance. Each site is also free from
hazardous or polluting materials. The ecosystem health completion criteria have been
met at CHR 2; however the ecosystem composition and structural characteristics have
not yet progressed sufficiently to be considered complete. The remaining rehabilitation
sites are relatively young and therefore have not progressed enough to satisfy MOP
completion criteria for Domain B - Forest Rehabilitation. These ecosystem characteristics
that remain incomplete are all linked to age of vegetation and ecosystem complexity.
Overall, rehabilitation at all rehabilitation monitoring sites is progressing and showing
early stages of native woodland regeneration. Again, CHR 2 is much further advanced in
ecosystem functioning than other rehabilitation sites. Assuming that the native vegetation
that is currently established at rehabilitation sites continues to grow and become
established (with subsequent seeding and regeneration), and associated improvements
in soil function, it is likely that the ecosystem composition and structure will progress
further towards completion criteria over coming years
A summary of the performance of rehabilitation monitoring sites against the control sites ecological targets and MOP completion criteria are provided in Table 36 below.
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Table 36 Summary of 2016 Rehabilitation monitoring results against the MOP (2017) completion criteria
Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Phase 2: Landform Establishment
Erosion and sediment control
Visual monitoring indicates there is no significant erosion that compromises land capability or the intended final land use.
Inspection for areas of active erosion.
Landscape Function Analysis – Rill assessment.
Monitoring verifies there are no active gully or tunnel erosion features, or rills >300 mm deep.
y/n YES YES NO NO YES YES YES
Temporary ESC measures are installed prior to seeding and the establishment of a vegetation cover.
N/A Inspection for control structures
y/n YES YES YES YES N/A N/A N/A
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Phase 3: Growth Medium Development
Topsoil depth Topsoil or a suitable alternative has been spread uniformly at the specified depth in the LMP and is appropriate for native vegetation growth .
N/A Inspection of site and topsoil
y/n YES YES YES YES N/A N/A N/A
Soil parameters
Land form is stable and contour banks and diversion drains into appropriate areas
N/A Inspection of site and surroundings
y/n Not assessed
Not assessed
Not assessed
Not assessed
Not assessed
Not assessed
Not assessed
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Amelioration Where required, appropriate soil ameliorants (e.g. gypsum, fertilisers, mulch) have been applied, as required, in accordance with specifications.
Soil surfaces observed to require amelioration
Inspection of site and top soil
y/n NO NO NO NO N/A N/A N/A
Stable final landform
Landforms are assessed to be stable and free draining to local watercourses Final landform is consistent with surrounding landforms.
N/A Inspection of site and drainage.
y/n YES YES YES YES N/A N/A N/A
Indication of the sites stability and that it is comparable to that of the control sites
Landscape
Function Analysis
Stability index
% 56.5 64.9 48 50.5 72.3 70.9 66.5
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Phase 4: Ecosystem and Land Use Establishment
Species selection
A mixture of native trees, shrubs and grasses commensurate with that observed in the analogue woodland/forest site(s).is present.
Flora species in rehabilitation sites are commensurate to control sites
Comparison of BioBanking plot data and flora species lists.
y/n NO YES NO NO N/A N/A N/A
Species composition
Species diversity for each stratum is generally comparable to control sites at Year 5 following establishment.
The diversity of shrubs and juvenile trees is comparable to that of the control sites
BioBanking
Native plant species richness (total)
Total species
17 37 21 22 42 58 44
Weed presence
No significant weed infestations and weeds do not comprise a significant proportion of species.
N/A Exotic plant cover
% 72 18 32 30 2 2 0
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Noxious weeds are controlled
N/A Noxious Weeds present
y/n NO YES NO YES NO NO NO
Phase 5: Ecosystem Development
Sustainability / Nutrient Cycling
Landform is ecologically functional and performing as it was designed to do.
Ability of the site to retain resources is comparable to that of the control sites
LFA
Landscape Organisation index
0-1 0.6 0.87
0.37 0.38 0.89 0.88 0.93
Infiltration is comparable with control sites
Infiltration index % 29.6 48.9 25.2 20.9 52 56.7 57.1
Landscape Function Analysis Nutrient Index is generally comparable to relevant control sites.
Nutrient cycling is comparable with control sites
Nutrient cycling index
% 25.2 37.8 15.2 14.6 49 51.4 50.6
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Evidence of reproduction in tree/shrub species through presence of viable seed, flowers or presence of seedlings
Succession of plants comparable with control sites
N/A
y/n NO YES NO NO N/A N/A N/A
Development of Woodland Habitat, Vegetation health, Vegetation structure
BioBanking criteria
Native over- storey cover is comparable to that of the control sites
Native over- storey cover (%)
(BioBanking assessment)
% 0 22 0 0 27 26.5 28
Native mid-storey cover is comparable to that of the control sites
Native mid-storey cover (%)(BioBanking assessment)
% 0 91 95 0 3 6.6 0
Groundcover of native grasses is comparable to that of the control sites
Native groundcover (grasses) (BioBanking assessment)
% 26 66 0 8 8 34 14
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Groundcover of native shrubs is comparable with remnant vegetation
Native groundcover (shrubs) (%)
(BioBanking assessment)
% 0 2 18 6 0 8 0
Native groundcover is comparable to that of the control sites
Native groundcover (other) (%) (BioBanking assessment)
% 4 36 0 0 16 22 24
Abundance of hollow logs is comparable to that of the control sites
Total length of fallen logs (BioBanking assessment)
m 0 0 0 0 94 92 105
Vegetation health
Rehabilitation monitoring verifies more than 75% of trees are healthy and growing as indicated by rehabilitation monitoring at Year 5 following establishment.
N/A Inspection of sites and surrounding environment
y/n No trees
YES YES YES N/A N/A N/A
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Regeneration Rehabilitation monitoring verifies second generation tree seedlings are present.
Regeneration of over-storey species is comparable to that of the control sites
Over-storey regeneration (BioBanking assessment)
0-1 0 0 0 0 0.75 0.75 0.8
Resilience Evidence of reproduction of tree/shrub species through presence of viable seed, flowers.
Evidence of native plant reproduction observed
y/n NO YES NO NO YES YES YES
Vertebrate Species
There is a diversity of vertebrate species commensurate with that recorded in analogue sites.
Representation of a range of fauna groups based on the control sites.
Inspection of sites and surrounding environment. Species from broad range of groups recorded?
y/n NO NO NO NO YES YES YES
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Rehabilitation Phase (MOP)
Performance indicator
Completion Criteria
Sub-criteria (not stated in MOP)
Ecosystem measure
Unit Rehabilitation sites Control sites
CHR 1 CHR 2 CHR 3 CHR 4 CHC 1 CHC 2 CHC 3
Feral animal density
Monitoring records indicate that feral and pest animal species are controlled in accordance with relevant legislation and the MOP.
N/A Inspection of sites and surrounding environment indicate that pest animals are present in high density.
y/n NO NO NO NO NO NO NO
Bushfire risk management
Bushfire mitigation actions are implemented in accordance with the Bushfire Management Plan.
N/A Inspections of site y/n Not assessed
Not assessed
Not assessed
Not assessed
N/A N/A N/A
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8.2. Next Reporting Period
Rehabilitation works are planned to be completed on Privately Owned Land at Charbon in the three areas specified below:
• Area 1 – Southern Open-cut Extension (14ha)
• Area 2 – Southern Outlier (16.9ha) Area 3 – Western Outlier (3.7ha)
During 2016 these lands were prepared for rehabilitation activities to commence Quarter 1 2017. Charbon Coal intends to return 3 ha of privately owned land (Stoney Creek) to the landholder in 2017 Each of these three areas requires a combination of material movement options noted below, followed by comprehensive revegetation works:
• A. Re-contouring Reshaping of mine overburden areas required to reduce both the height of dumps and steeper grades, to allow final rehabilitation activities to occur.
• B. Overburden material movement Overburden material movement to construct the design final landform is required. Suitable mine compliant machinery will be utilised for safe efficient material movement.
• C. Soil material movement Topsoil/subsoil strategic material movement from stockpile source is required to final location or subsequent spread on final landform.
• Revegetation works Final trim, drainage works and seedbed preparation will be completed with subsequent fertilizing and seeding.
Table 37 Rehabilitation Status
Mine Area Type Previous Reporting Period
(Actual)
This Reporting Period (Actual)
Next Reporting Period (Forecast)
Year 2015 (ha) Year 2016 (ha) Year 2017 (ha)
A. Total mine footprint1 313 313 313
B. Total active disturbance2
313 313 313
C. Land being prepared for rehabilitation3
3 34.6 0
D. Land under active rehabilitation4
110 110 144.6
E. Completed rehabilitation5
0 0 0
1 Total Mine Footprint: includes all areas within a mining lease that either have at some point in time or continue to pose
a rehabilitation liability due to mining and associated activities. As such it is the sum of total active disturbance, decommissioning, landform establishment, growth medium development, ecosystem establishment, ecosystem development and relinquished lands (as defined in the DRE MOP/RMP Guidelines). Please note that subsidence remediation areas are excluded. 2 Total Active Disturbance: includes all areas requiring rehabilitation
3 Land being prepared for rehabilitation: includes the sum of mine disturbed land that is under the following
rehabilitation phases – decommissioning, landform establishment and growth medium development (as defined in DRE MOP/RMP Guidelines) 4 Land under active rehabilitation: includes areas under rehabilitation and being managed to achieve relinquishment –
includes ‘ecosystem and land use establishment’ and ‘ecosystem and land use sustainability (as defined under the DRE MOP/RMP Guidelines) 5 Completed rehabilitation: requires formal sign off from DRE that the area has successfully net the rehabilitation land
use objectives or completion criteria
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9. ENVIRONMENTAL MONITORING
9.1. Aquatic Ecological Monitoring
Charbon undertakes Aquatic Ecological Monitoring bi-annually at serval control and impact locations in waterways associated with Charbon Colliery. A Baseline Aquatic Ecological Monitoring report was sampled during Spring 2015 and Autumn 2016 to establish a baseline reference for monitoring the effects of rehabilitation activities on receiving waters.
Water quality, sediment quality and macroinvertebrate samples have been taken and compared to baseline in accordance with Charbon Colliery’s Water Management Plan.
A total of 40 macroinvertebrate families were in spring 2016. Overall, Diptera (flies) were
the dominant taxa contributing approximately 25% of the total taxa. This was followed by
Odonata (dragonflies and damselflies; 19%), Hemiptera (true bugs; 11 %) and
Ephemeroptera (mayflies; 9%) (refer Figure 42).
Figure 42 Community composition of macroinvertebrate orders for Charbon sites surveyed in spring 2016
Taxa richness, EPT richness, and average SIGNAL-2 scores for each site are presented in Figure 43.
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Figure 43 Taxa richness, EPT richness and average SIGNAL-2, spring 2016
The highest taxa richness observed in a macroinvertebrate sample was 23 at RYLR
(refer Figure 43). The next highest taxa richness was observed at DAM1, followed by
RILEY and RECD. EPT richness was highest at DAM1, with four EPT taxa observed,
and lowest at RILEY, where two EPT taxa were observed. Average SIGNAL-2 scores did
not vary greatly between replicates or sites, ranging from 3.12 at RECD to 3.56 at DAM1.
Figure 44 Number of sensitive taxa in macroinvertebrate samples, spring 2016
The numbers of sensitive taxa recorded at each site in spring 2016 are presented in Figure 44. The most sensitive taxa were observed at DAM1, where four sensitive taxa were observed in each replicate. All other replicates contained either two or three sensitive taxa.
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9.2. Terrestrial Ecological Monitoring
Terrestrial Flora and Fauna monitoring surveys were undertaken during December 2016 at existing predetermined locations within the northern and southern Compensatory Habitat Management Areas (CHMAs).
Flora surveys comprised BioMetric Plots (n=12), two natural regeneration transects and two subsidence transects. Fauna surveys included 11 bird census plots and opportunistic documentation of fauna during all other survey methods. This methodology is consistent with 2015 except that the flora quadrat method has been upgraded to Biometrics. This methodology measures vegetation structure and habitat characteristics, thereby enhancing the evaluation of condition and effectiveness of management practices.
A Total of 179 flora species were observed during surveys, comprising 144 native species and 35 exotic species. One threatened species, Eucalyptus cannonii (Cannon’s Stringybark) was detected during surveys
Table 38 Species Richness Comparison 2016/2015/2013 and Western Blue Mountains (WBM) Biometric Plot
Native species richness Exotic Species Richness
2016 2015 2013 Net Change
WBM 2016 2015 2013 Net Change
FL01 37 27 23 10 42 7 3 2 4
FL02 30 27 20 3 42 7 4 3 3
FL03 54 21 32 33 40 5 5 0 0
FL04 23 20 n/a 3 44 14 5 N/A 9
FL05 49 21 29 28 40 10 2 5 8
FL06 49 30 26 19 40 3 3 7 0
FL07 14 16 19 -2 40 1 0 0 1
FL08 33 20 12 13 40 10 0 0 10
FL09 49 32 24 17 44 13 6 1 7
FL10 33 33 17 0 44 16 9 0 7
FL11 49 33 23 16 39 3 0 3 3
FL12 53 40 26 13 44 12 3 3 9
Native species richness decline was limited to one plot (i.e. FL07). Plots FL03, FL05, FL06, FL09 and FL11 had considerable (>15) increases in net change between 2015 and 2016. The remaining plots were more closely related in native species richness based on net change. The 2016 species richness results are trending much more closely to the WBM targets (i.e. FL03, FL05, FL06, FL09, FL11 and FL12).
Comparative analysis of 2015 and 2016 weed species richness showed consistent results although the general trend was increased weed species richness.
The data indicated that Eucalypt canopy recruitment has increased since 2015. Site observations indicate a range of age classes (i.e. small seedling through to larger saplings) that supports the increased regeneration.
No obvious changes were evident along the subsidence transects. Dieback and epicormics regrowth have been observed however other confounding factors (e.g. aspect and associated differences in incident solar radiation) may be the reason for the variation in subsidence monitoring transects.
A total of 42 bird species, five mammals and two reptiles were recorded during fauna surveys. Of these, one species, the Gang-gang Cockatoo (Callocephalon fimbriatum) was observed on multiple occasions within and outside the CHMAs. This species is listed as vulnerable under the NSW Threatened Species Conservation Act 1995 (TSC Act). One pest species, the Feral Pig (Sus scrofa) was also observed during surveys.
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10. COMMUNITY
Charbon Colliery held two (2) Community Consultative Committee (CCC) Meetings during the reporting period; 21 March and 17 October 2016. The focus of the CCC meetings was to outline the mine closure procedure and commencement of rehabilitation planning. A copy of the minutes to these meetings can be found on the Centennial Coal website: http://www.centennialcoal.com.au/Operations/OperationsList/Charbon.aspx.
Further to this, Charbon has been and continues to work with the local community in minimizing the social and economic impacts relating to mine closure. Charbon Colliery has made the following community contributions over the reporting period including:
• Kandos Events’ - Donation of shipping container;
• ‘Rylstone Pony Club’ – Donation of steel pipes;
• ‘Cullen Bullen Rural Fire Brigade’ – Donation of lockers;
• ‘Kandos/Rylstone Touch Football Club’ – Sponsorship of a team;
• Rylstone Club Annual Charity Day’ – Cash Donation.
• Negotiations with the Kandos museum to host community/tourism tours of the 2Trunk High Wall
Further to this Charbon has been, and continues to work with the local community in minimizing the social and economic impacts relating to mine closure. Centennial Coal’s community sponsorship for this region has shifted to a strategic capacity building approach, where alternate employment opportunities are being pursued. In partnership with the Kandos Museum and the Lithgow State Mine Railway, Charbon has supported the initiative for train based tourism between Lithgow and Kandos. Train based tourism in this area has been so successful that the rail line to Rylstone has now been opened.
Charbon Colliery received two complaints during the 2016 reporting period, one relating to a water discharge and one other relating to weed control, which are detailed Table 39 and Table 40 below. This is a decrease on three (3) community complaints from the previous 2015 reporting period.
The flora and fauna complaint was received via email from the Department of Trade and Investment, Division of Resources and Energy (DRE) – Orange office, advising that a community complaint had been made to the DRE on 18 January 2016. The complaint was made by a neighboring landholder and reported that Charbon was inadequately controlling weeds on-site. Charbon responded to this complaint and continued to implement its extensive annual weed management program.
The water complaint was made on 2 November 2016 by a resident regarding a drainage line being installed on-site, and the diversion of water from his property. The site contacted the resident again the same day, with consultation ongoing.
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Table 39 Complaints Register for Charbon Colliery 2016
Licensee: Charbon Coal Pty Ltd
Data Sampled: Jan – Dec 2016
Address: Charbon Rd Charbon NSW
2848
EPL No. 528
Jan-16
Feb-16
Mar-16
Apr-16
May-16
Jun-16
Jul-16
Aug-16
Sep-16
Oct-16
Nov-16
Dec-16
Sub-Total
Total
Air 0 0 0 0 0 0 0 0 0 0 0 0 0
Water 0 0 0 0 0 0 0 0 0 0 1 0 1
Noise 0 0 0 0 0 0 0 0 0 0 0 0 0
Flora & Fauna
1 0 0 0 0 0 0 0 0 0 0 0 1
Subsidence
0 0 0 0 0 0 0 0 0 0 0 0 0
Waste 0 0 0 0 0 0 0 0 0 0 0 0 0
Blasting 0 0 0 0 0 0 0 0 0 0 0 0 0
2
Table 40 Complaints Register for Charbon Colliery 2004 – 2015
Year Number of Complaints
Date Complainant Issue
2015 5
17/02/2015 Neighbouring Landholder Noise
18/02/2015 Neighbouring Landholder Noise
28/03/2015 Neighbouring Landholder Noise
13/04/2015 Neighbouring Landholder Noise
17/04/2015 Neighbouring Landholder Noise
2014 1 15/7/2014 Distant Landholder (5.3km away) Noise
2013 22
07/01/2013
Neighbouring Residents
Noise & dust
22/01/2013 Noise & dust
06/03/2013 Noise
07/03/2013 Dust
08/03/2013 Noise
11/03/2013 Noise
13/03/2013 Noise
15/03/2013 Noise
18/03/2013 Noise
18/03/2013 Dust
25/03/2013 Dust
25/03/2013 Dust
22/04/2013 Noise
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Year Number of Complaints
Date Complainant Issue
27/04/2013 Noise & dust
11/05/2013 Noise
11/05/2013 Noise
24/05/2013 Noise
27/05/2013 Noise
12/06/2013 Noise
21/06/2013 Noise
26/06/2013 Noise
25/07/2013 Feral Pigs
2012 1 18/10/2012 Neighbouring Residents Noise
2011 0 - - -
2010 0 - - -
2009 2 20/02/2009
20/03/2009 Neighbouring Residents Noise
2008 5
15/02/2008
08/04/2008
12/06/2008
01/08/2008
26/11/2008
Neighbouring Residents
Noise
Blasting
Blasting
Dust
Noise
2007 6
07/08/2007
08/08/2007
28/08/2007
03/11/2007
07/11/2007
15/12/2007
Neighbouring Residents
Dust
Dust
Dust
Noise
No Issue
Noise
2006 1 27/10/2006 Neighbouring Resident Stray Light/Hours of
Operation
2005 2 22/01/2005
01/04/2005 Neighbouring Residents
Dust
Stray Light/Hours of
Operation
2004 1 31/08/2004 Neighbouring Resident Hours of Operation
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11. INDEPENDENT AUDIT
As required under Schedule 5 Condition 9 of Project Approval 08_0211, Table 41 below summarises Charbon Colliery’s response to the recommendations outlined in the 2015 Independent Environmental Audit Report. Table 42 provides Charbon’s response the recommendations outlined in the Rehabilitation Audit component of the Independent Environmental Audit.
Table 41 Charbon Colliery’s Response to the 2015 Independent Environmental Audit
Condition Description Risk 2016 Update Expected
Completion Date
PA 08_0211 Non-Compliances
Schedule 2, Condition 22
Although a majority of key parameters were generally in accordance with the activities described in the EA (e.g. production, manning, method of mining, etc.)
some overburden emplacement has occurred outside approved disturbance areas to that indicated in
Appendix 2 of the project approval.
Charbon advises that DP&E is aware of this issue and is responding directly (however, no documented
evidence was sighted as part of audit).
It is Recommended that this issue be resolved asap and the MOP, relevant management plans and Closure Plan be updated to reflect the agreed final landform.
High Charbon will continue working with DRE and DP&E to resolve all outstanding issues. Charbon is currently developing a Rehabilitation and Closure Plan (MOP), in consultation with
relevant regulators
31 March 2017
Schedule 2, Condition 8
Viewed correspondence letter to DP&I dated 4 October 2013 surrendering consent for Charbon Colliery. The letter was not within 12 months of the date of the
approval which would have been 7 September 2010.
Administrative Centennial has established a global compliance database that is in the process of being implemented across all sites.
Complete
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Condition Description Risk 2016 Update Expected
Completion Date
Schedule 2, Condition 9
Figure CH01018 provided shows the outline of the Charbon Colliery underground and open cut workings within the Kandos State Forest. However, the figure does not show when each area was mined and when the mining occurred during the audit period and
correspondence with State Forest NSW.
As such, it is unclear which areas were mined at what stage and whether the notices below were provided within 6 months of that date as required by the
condition.
Recommended that this be clarified to confirm appropriate approvals are in place.
Moderate State Forests were notified on the 13/7/11 and mining and mining commenced in Q2 2013. Last mining occurred during
the 2014 calendar year.
Complete
Schedule 3, Condition 1
Evidence of noise exceedances at Locations F, L, G and H.
Low Charbon has negotiated agreements in place with H & F and has acquired location G. Continued noise mitigation measures
are unlikely to trigger future exceedances.
Complete
Schedule 3, Condition 3
No documented evidence was provided at time of audit to confirm compliance with operational times (e.g.
induction package or training presentation).
Low Induction package has been updated to include clear operational times.
Complete
Schedule 3, Condition 5
As detailed in the 2012 audit, a Verification Report prepared by Spectrum Acoustics (Neil Pennington) was
sighted, along with submission to DoP.
No evidence that the report was submitted to OEH was provided.
Administrative Current noise monitoring results demonstrate compliance with the project approval criteria.
Complete
Schedule 3, Condition 6
No evidence provided at time of audit to confirm response to request from the Landholder.
Moderate All landholder correspondence is now being appropriately filed. Complete
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Condition Description Risk 2016 Update Expected
Completion Date
Schedule 3, Condition 24
Subsidence results for the Western Underground not provided to review at time of audit.
High Charbon’s survey department has copies of subsidence monitoring data.
Complete
Schedule 3, Condition 25
No letter in relation to consultation with I&I available to confirm if consultation occurred within 3 months prior to
commencement date of month 2012 in Western underground.
No letter of approval of DP&E available to view at time of audit.
High Charbon is now undertaking rehabilitation at the site and mining has not occurred since 2014.
The subsidence Monitoring and Contingency plan was submitted 26/7/2011 and mining of this area commenced
November 2011
Complete
Schedule 3, Condition 33
Confirmed that still no regular groundwater monitoring takes place on site.
Recommend this immediately implemented at locations as agreed with regulators.
High Charbon has been conducting routine monthly groundwater monitoring since July 2015
Complete
Schedule 3, Condition 34
No letters of consultation with the Aboriginal community, OEH or approval available to view at time
of audit.
Moderate Approval received for the Management from the DOP
Consultation with OEH dated 6/9/2011. Consultation with aboriginal groups documented in section 10.2.
Charbon has also now been incorporated into the regional ACHMP sub-committee. Additionally Charbon is now incorporated in the Western Region Cultural Heritage
Management Plan which has been prepared in consultation with OEH and relevant aboriginal parties and will be submitted by
31/3/2017
Complete
Schedule 3, Condition 42
No evidence available at time of audit that this road audit was undertaken. Seek confirmation from DP&E that a road safety audit of the public roads is not
required.
Moderate Road safety Audit was undertaken Feb 2011 Complete
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Condition Description Risk 2016 Update Expected
Completion Date
Schedule 3, Condition 43
No confirmation that lighting meets these standards was available at time of audit.
Low Charbon coal has not received complaint in relation to lighting since Project Approval granted. The site is now in rehabilitation
and any future consents will consider this standard.
Complete
Schedule 4, Condition 1
No confirmation that BOS was in place before 31 December 2012; or date that clearance of EEC in the 8
Truck area.
Areas of offsets in project approval do not match with those in management plan.
Recommended that management plan be updated to confirm the above to satisfaction of relevant regulators.
Moderate The Landscape Management Plan which includes a Compensatory Habit Management Plan as the Biodiversity was
approved by the Department by 22/11/2012
Mining/clearing was undertaken clearing off Strip 8 commenced 9th August 2013.
Section 3 of the CHMP clearly outlines the offset areas.
Complete
Schedule 4, Condition 2
Current Landscape Management Plan does not match the values and communities in this project approval.
Although suitable arrangements to provide appropriate long-term security for the offset areas have been progressing, these however there is no evidence available at the time of the audit to confirm that the offset areas were secured by the required date.
Recommended that plan be updated to clearly demonstrate nexus between values.
Moderate Section 31.6 of the CHMP clearly outlines environmental gains from offset
Section 3.2.2 outlines conservation principles adopted
Complete
Schedule 4, Condition 3
No evidence available at time of audit to confirm status of bond.
Moderate A covenant has been established in the compensatory habit areas
Complete
Schedule 4, Condition 4
Specific monitoring is required to assess ecosystem function and should be initiated, as this is not currently
conducted.
Moderate Ecosystem function analysis is currently undertaken by Charbon as part of its annual Rehabilitation Monitoring
Program.
Complete
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Condition Description Risk 2016 Update Expected
Completion Date
Schedule 4, Condition 5
Charbon Colliery is behind schedule on both mining completion and rehabilitation, when compared to the
2010 MOP and EA.
Recommended that when non-compliance in Schedule 2, Condition 22 is resolved with DP&E, MOP and Closure Plan be updated for consistency with final
landform and rehabilitation, in consultation with relevant regulars.
Moderate A revised MOP has been prepared for submission to the Department.
Rehabilitation works are currently underway in the southern mining areas of the site
March 2017
Schedule 4, Condition 6
No documented evidence was provided at time of audit to confirm that the Landscape Management Plan was prepared in consultation with I&I, NOW, DECCW and
Council.
Moderate The Landscape Management Plan has been approved by the Department.
Stakeholder consultation process followed outlined in section 5 of document.
This Management Plan has been reviewed and revised for submission to the Department by 30 March 2017
March 2017
Schedule 4, Condition 7
The Rehabilitation Management Plan is behind the planned schedule as detailed in the MOP and there was no evidence at the time of this audit that Plan is
being updated.
Recommended that when non-compliance in Schedule 2, Condition 22 if resolved with DP&E, MOP and Closure Plan be updated for consistency with final
landform and rehabilitation, in consultation with relevant regulars.
Moderate A revised MOP has been prepared for submission to the Department.
Rehabilitation works are currently underway in the southern mining areas of the site
March 2017
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Condition Description Risk 2016 Update Expected
Completion Date
Schedule 5, Condition 1
Environmental Management Strategy (EMS) does not recognise contractor on site, hence does not address
how they are responsible for management of environmental aspects. Recommended that the EMS be reviewed if contractor has responsibilities during
closure (e.g. rehabilitation).
High The EMS has been reviewed and revised for submission to the Department
March 2017
Schedule 5, Condition 4
Strategies, Plans and Programs were not updated within 3 months of the submission of the previous audit report or confirmation that this is not required shoud be
confirmed.
Moderate Centennial has established a global compliance database that is in the process of being implemented across all sites
Complete
Schedule 5, Condition 7
Several approved strategies, plans and programs are not available on the website (i.e. Subsidence
Management Plan, Noise Management Plan, Air Quality Management Plan, etc.).
Recommended that website for Charbon Colliery be updated asap and regularly going forward.
Administrative Management Plans have been uploaded to the Centennial Coal website.
Complete
Schedule 5, Condition 8
The 2012 audit report was not submitted within 2 months of approval of the audit team.
Administrative Centennial has established a global compliance database that is in the process of being implemented across all sites Coal
website.
Complete
Schedule 5, Condition 9
No evidence was available at time of audit to confirm 2012 audit report was submitted to DP&E.
High Centennial has established a global compliance database that is in the process of being implemented across all sites.
The 2012 IEA is available on the Centennial Coal website and was submitted October 2012
Complete
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Condition Description Risk 2016 Update Expected
Completion Date
Schedule 6, Condition 1
Noise exceedances were not reported within 2 weeks of obtaining the monitoring results, to the Director-General, the affected landowners and tenants (including tenants of mine-owned properties).
Recommended that monitoring specialist immediately report any potential exceedances to Charbon (including those within 2dBA of criteria).
Recommend that Charbon report any noise exceedances to DP&E in accordance with this
condition.
Moderate Centennial has established a global compliance database that is in the process of being implemented across all sites
Complete
PA 08_0211 Recommendations
Various All monitoring programs and management plans be updated in consultation with relevant regulators to ensure they are consistent and appropriate for
operations including consideration of moving to the closure phase of operations in the near future.
Administrative Management Plans have been reviewed and revised for submission to the Department
-March 2017
Various Consider consolidation of management plans into a single Landscape Management Plan with monitoring requirements included (with approval sought from
DP&E) for closure period.
Administrative Charbon has conducted a review and update of all management plans required by Consent. The Landscape
Management Plan has been consolidated into the Rehabilitation and Closure MOP.
March 2017
SOC 8.3 Confirmation should be sought from DP&E that as no blasting will occur on site going forward, that the BMP
is no longer required to be updated.
Administrative Blast Management Plan has been reviewed and revised for submission to the DOP
March 2017
Schedule 3, Condition 37
During the next audit period, the Proponent should consider consulting with Council in relation to release of
outstanding bond monies.
Administrative This is not a non-compliance Centennial will investigate. No further reporting required on this matter.
Complete
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Condition Description Risk 2016 Update Expected
Completion Date
SOC Non-compliances
Condition 3.2 Updated noise model not provided to review at time of audit.
Moderate A Revised Noise Impact Assessment was prepared (Report Number 630.10123.00210!R1)
5 September 2011
Complete
Condition 4.2 Landscape Management Plan not prepared within 6 months of receipt of Project approval.
Administrative Centennial has established a global compliance database that is in the process of being implemented across all sites
Complete
Condition 5.3 Updated air quality model not provided to review at time of audit.
Moderate A Revised Air Quality Impact Assessment was prepared (Report Number 630.10123.00200-R1)
5 September 2011
Complete
Condition 9.6 Assessment of onsite irrigation of effluent not prepared within 6 months of receipt of Project approval.
Administrative An irrigation assessment was completed in August 2011 CCC04-009
Complete
Condition 11.2 Subsidence results for the Western Underground not provided to review at time of audit.
High Charbon’s survey department has copies of all subsidence monitoring data
Complete
EPL 528 Non-compliances
Conditions L2.1& 2.4
Exceedances for total suspended solids as evidenced in the Annual Return for reporting period 31 October
2011 to 30 October 2012.
Low Centennial is completing a number of water management projects to prevent exceedances of EPL criteria
Ongoing
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Condition Description Risk 2016 Update Expected
Completion Date
Condition L5.1 Evidence of noise exceedances at Locations F, L, G and H.
It is recommended that the EPL and Noise Management Plan be updated to ensure they are consistent and appropriate for operations including consideration of moving to the closure phase of
operations in the near future.
Low The noise management plan has been reviewed and revised and will be submitted to the DOP March 2017
March 2017
Condition U3.1 No evidence provided at time of audit to confirm that EPL conditions are addressed in Particulate Matter
Report dated 6 February 2012.
Recommend that when the AQMP is reviewed, everything from the report is incorporated into the Particulate Matter Control Report (Condition U3.1).
Low The PRP has been completed and removed from EPL 528
Complete
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Condition Description Risk 2016 Update Expected
Completion Date
ML 1647 Non-compliances
Condition 7 Rehabilitation has not occurred as reasonably practicable. Charbon Colliery is behind schedule on both mining completion and rehabilitation, when compared to the 2010 MOP and EA conceptual
landforms.
Recommended that this issue be resolved asap with DP&E and the MOP, relevant management plans and Closure Plan be updated to reflect the agreed final
landform.
Moderate
Rehabilitation works are currently underway in the southern mining areas of the site.
Charbon is currently developing a Rehabilitation and Closure Plan (MOP), in consultation with relevant regulators.
Complete
Condition 8 No letter in relation to consultation with I&I available to confirm if consultation occurred within 3 months prior to
commencement date of month 2012 in Western underground.
No letter of approval of DP&E available to view at time of audit.
Administrative Charbon is now undertaking rehabilitation at the site and mining has not occurred since 2014.
The subsidence Monitoring and Contingency plan was submitted 26/7/2011 and mining of this area commenced
November 2011
Ongoing-July 2017
Condition 11 Unable to confirm if any drilling was conducted within lease during the audit period.
Low Complete-
1 hole drilled in Jul 2012. Documentation has now been located and filed.
Complete
Condition 24 No co-operation agreement available to view at time of audit. Viewed Compensation agreement dated 15 May
2013, State Forests NSW signed.
Moderate Not required No activity Not Applicable
CHARBON COLLIERY ANNUAL REVIEW FOR 2016
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Table 42 Charbon Colliery’s Response to May 2015 Independent Rehabilitation Audit.
Monitoring
Location (1to
3)
Rehabilitation
Area and Status (if
applicable)
Audit Code Issues Observed Details of Actions Required
Current status completion date
1 Reject
Emplacement Areas
Care and
Maintenance
Action Site
Future rehabilitation monitoring location that
requires a large volume of material for capping.
It was noticed during the audit that active mining
areas are a long distance from this monitoring
location. Rehabilitation planning was discussed
during the audit, along with the desired final
landform.
Maintain involvement with mining
planning as to scheduling of capping
material requirements.
Charbon has
commissioned a
REA capping
strategy which will
be implemented in
accordance with
the 2017 MOP.
Ongoing-
March 2017
2 Forest
Rehabilitation
approximately 10 to
12 years old
Care and
Maintenance
Action Site
High stem density and adequate diversity of
species within this older rehabilitation area was
observed. Approximately 80% to 100% canopy
cover was present due to a high density of trees.
Self-thinning is expected to start in the next 5
years due to some Acacia species nearing the
end of their expected lifespan and Eucalyptus
species becoming dominant.
Very few weeds observed.
Minimal erosion concerns are present at this
monitoring location as the soil surface contains
grasses, pasture and leaf litter. In addition,
remnants of deep ripping and rough surfaces
were observed, which slows water flow and
encourages infiltration.
Continue to monitor tree and
understorey success and the presence
of weeds. Also monitor and repair any
active erosion gullies.
Charbon
undertakes
Rehabilitation
Monitoring
annually.
Complete
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Monitoring
Location (1to
3)
Rehabilitation
Area and Status (if
applicable)
Audit Code Issues Observed Details of Actions Required
Current status completion date
3 Woodland
Rehabilitation
various ages.
General Action
Required
Varied success of pasture and tree species was
observed at this monitoring location.
Supplemental tubestock planting was noted in
the pasture area.
This monitoring location contained a moderately
high density of weed species which should be
monitored and managed once the trees are high
enough to be easily identifiable.
Historical erosion issues with contour bank
failure was discussed as well as the option of
re-building the bank to spill to the southern area
away from the current sedimentation dam.
Good stands of established trees were noted
with some Acacia species dying due to age. This
tree establishment forms a strong basis for a
diverse rehabilitation. Natural colonisation from
mature trees in adjacent forest were noted.
Some areas require earthworks and revegetation
following the cessation of mining activities.
Tree emergence should be monitored
and if deemed necessary should be
supplemented with tubestock to obtain
desired species mix.
It is recommended that the Proponent
wait a year or two to allow trees to
emerge and become obvious before a
weed spraying program is implemented
at this monitoring location. Some
noxious weed species may be targeted
if outbreaks become detrimental to the
area.
Erosion along banks or in drainage lines
should be monitored and repaired. Re-
shaping the landform as areas become
available should continue to achieve
gentle slopes (Less than 10 degrees) as
the final landform.
It is recommended that trials continue to
identify best surface ameliorants and
subsoil use on rehabilitation areas.
Ongoing
rehabilitation
management will
continue, targeted
weed spraying is
planned for 2017.
Annual
rehabilitation
monitoring was
undertaken in
2016 and will
continue in 2017
to allow for
identification of
any management
actions required.
Complete
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Monitoring
Location (1to
3)
Rehabilitation
Area and Status (if
applicable)
Audit Code Issues Observed Details of Actions Required
Current status completion date
4 Woodland
Rehabilitation less
than 12 months old
General Action
Required
This area has recently been shaped, ripped and
aerial seeded. Some trees have already
germinated (mainly Acacia species), however
they are difficult to identify given the high density
of weed species.
The presence of forest timber and debris
provided erosion control and habitat for various
small animals as noted by the presence of scats.
Any attempt to spray weeds at this stage would
prove detrimental to emerging trees and
pastures.
Various surface ameliorants were noted with
higher pasture success recorded in areas that
contained a high density of organic matter
material such as mulch, as these areas had a
higher water holding capacity.
Diversion banks within this monitoring location
require monitoring for sediment build up and to
ensure that they are working, to ensure that
repairs are made in a timely manner.
De-silting of sediment dams will also be required
to ensure capacity is available and to reduce
sealing of the base of the dams.
Tree emergence should be monitored
and if deemed necessary,
supplemented with tubestock, or re-
seeding to obtain desired species mix.
It is recommended that weed species
are monitored and managed to ensure
that trees are not put at risk of spray
drift.
Erosion along banks or in drainage lines
should be monitored and if necessary,
repaired.
Site materials and mining equipment
should be cleaned and disposed of
following cessation of mining activities.
Ongoing
rehabilitation
management will
continue, targeted
weed spraying is
planned for 2017.
Annual
rehabilitation
monitoring was
undertaken in
2016 and will
continue in 2017
to allow for
identification of
any management
actions required.
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Monitoring
Location (1to
3)
Rehabilitation
Area and Status (if
applicable)
Audit Code Issues Observed Details of Actions Required
Current status completion date
5 Dumping/
Reshaping to be
undertaken. Future
rehabilitation area.
General Action
Required
Monitoring location 5 consists of dumped
overburden material, steep slopes and a
concentrated drainage line which flows into a
site-managed sedimentation dam and then off-
site.
This area requires specific design measures to
ensure a stable surface is achieved. The
addition of organic matter, soil ameliorants, etc.
may be required to ensure successful
germination of pasture species to minimise
erosion and sedimentation risks.
Diversion drains are required to reduce run-on
water. Steep slopes are evident in the natural
surroundings adjacent this site and extra effort
and care is required to stabilise these slopes
whilst rehabilitation is established.
Surface water diversion structures
should be designed to reduce potential
run on volumes.
The landform should be designed to
reduce the risks of surface erosion
surface preparations such as deep
ripping, use of mulch etc. should be
planned early to ensure successful
germination of pasture species to help
stabilise the soil.
Charbon has
undertaken re-
shaping and
surface
earthworks in
rehabilitation
areas in
accordance with
the MOP.
Complete
6 Partially completed
landform. Future
rehabilitation area.
General Action
Required
This partially re-shaped area is proposed to be
rehabilitated in 2015 and requires surface
earthworks to implement diversion and contour
drains, and surface preparation prior to
rehabilitation.
It is recommended that re-shaping and
surface earthworks are undertaken prior
to rehabilitation.
Charbon has
undertaken re-
shaping and
surface
earthworks in
rehabilitation
areas in
accordance with
the MOP.
Complete
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Monitoring
Location (1to
3)
Rehabilitation
Area and Status (if
applicable)
Audit Code Issues Observed Details of Actions Required
Current status completion date
7 Weed Management
around site
Observation It was noted during the audit that Blackberry had
been sprayed around site and was dying. The
annual weed spraying program was discussed
during the audit.
Not Required. Charbon is
undertaking weed
spray program
Complete.
8 Temporary erosion
and sediment
control measures
Care and
Maintenance
Action Site
It was noted during the audit that there were
several temporary erosion and sedimentation
structures such as silt fences aiming to catch
sediment laden water from disturbance areas.
The regular monitoring and repair of
these fences should continue to be
undertaken. It is anticipated that several
structures will no longer be required (i.e.
when sites are adequately vegetated)
and should be removed from the site.
Charbon has
implemented a
site wide review of
temporary
sediment
management
structures and has
repaired and
removed relevant
structures. This
will continue into
2017.
Ongoing.
9 Topsoil Stockpiles Care and
Maintenance
Action Site
During the audit, the current practice of
recording details of soil stockpiles onto GIS was
discussed. These records are maintained and
communicated through toolbox talks, signage
etc.
Continue to ensure that stockpile
locations are logged and up to date on
GIS records
Stcokpile
characterisation
was undertaken in
2016
Complete
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12. WASTE MANAGEMENT AND MINIMISATION
In accordance with Schedule 3 C 46d waste management and minimisation practices shall be included in the annual review.
Charbon is in “Care and Maintenance” phase and no longer produces or processes coal at the site. Consequently, all waste produced at Charbon during 2016 is related to the rehabilitation and maintenance of the site. A summary of waste produced on site is detailed in Table 43.
12.1. Sewage Treatment and Disposal
Sewage and other waste water from the bathhouse and site offices within the surface facilities area is treated using an approved biocycle treatment facility. Treated water is used to irrigate landscaped areas and areas undergoing rehabilitation within the Colliery via LDP001 (which allows for the discharge of effluent from the onsite sewage treatment system via irrigation) and is covered under EPL 528. The treatment facilities are serviced by a licensed contractor, as required.
12.2. Oil and Grease Containment and Disposal
There is only one operational diesel storage facility at Charbon which is located in the decommissioned washery area. This facility comprises of one above ground tank and is compliant with Australian Standard AS1940-2004 – The Storage and Handling of Flammable and Combustible Liquids. Bulk diesel is delivered by a suitably licenced fuel delivery contractor as required. All hydrocarbons are stored in a fully bunded area designed to contain 110% of the maximum storage volume.
Unused oil and grease is removed from site by the servicing contractor, which occurs when machinery is serviced, generally on an annual basis.
12.3. General Waste Disposal
General waste is collected into industrial waste containers that are serviced by a licensed contractor. Scrap metal is collected in a separate bin and recycled. Paper and cardboard are segregated on site and recycled by a waste contractor.
Table 43 Waste Summary
2013 2014 2015 2016
Hazardous Recycled (Waste Oil, Waste Grease, Oily Water) / kL
19.279 7.012 14.5 10.1
Non-Hazardous Recycled (Paper & Cardboard, Scrap Steel) / tonnes
232.654 217.310 52.555 2.760
Hazardous Disposal (Oily Rags / Absorbants) / tonnes
0.076 0.400 0 0
Non-Hazardous Disposal (Mixed Solid Waste) / tonnes
34.170 18.795 17.905 3.870
TOTAL OFFSITE WASTE 286.179 243.697 84.96 16.73
TOTAL RECYCLED WASTE 251.933 224.332 67.055 12.86
PERCENTAGE WASTE RECYCLED 88.03% 92.05% 78.87% 76.9%
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13. INCIDENTS AND NON-COMPLIANCES DURING THE REPORTING PERIOD
Table 44 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
High volume air sampler (HVAS) power outage – No sample recorded.
Date of incident/ non-compliance (if known; if not known state not known)
21-26 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Charbon’s HVAS unit.
Detail the cause of the incident/non-compliance
Due to a power outage relating to the HVAS unit, it did not record a sample for a six (6) day period, with the source of the power outage appearing to be from a kangaroo colliding with the power cable to the HVAS and dislodging it from the output socket.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Reported to the Department of Planning and Environment (DP&E) and the Environment Protection Authority (EPA) on 4 October 2016. Charbon does not currently have any active mining operations occurring onsite, therefore dust generation during the period of the power outage is considered negligible. In addition, no exceedances of air quality criteria have occurred during the reporting period or during 2016.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
The power cable was connected back to the output socket and the problem has now been rectified.
Consultation with relevant agency (who, when and the response), or agencies if more than one
Letter provided to the DP&E and the EPA on 4 October 2016
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Table 45 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
The water meter at LDP002 malfunctioned and no volume was recorded for a period of 14 days. Thus resulting in 14 technical non-compliances of EPL528 Condition L3.1.
The volume discharged from LDP002 was estimated to be 1.49ML/day from 6 to 19 September 2016.
Date of incident/ non-compliance (if known; if not known state not known)
6-19 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP002
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
The water meter installed at LDP002 malfunctioned and stopped recording water discharge volume. Due to forecast rainfall events and reduced storage capacity of LDP002 Discharge Dam, Charbon was not in a position to cease discharge and conduct repairs. Ceasing discharge from LDP002 during September to conduct water meter repairs may have caused an uncontrolled discharge event, resulting in further non-compliances and possible environmental harm.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Water discharged from any Licenced Discharge Point at Charbon from 2 September to 5 September 2016 was exempt from volume and quality limits under Condition L2.5 of EPL528.
The LDP002 faulty water meter was repaired and calibrated on 6 October 2016.
Additionally, all of the other Charbon LDP’s were also recalibrated by ALS on the 6 October 2016
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
The water meter at LDP002 was repaired and recalibrated. In addition, an inspection form has been prepared to record daily LDP meter readings.
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Table 46 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
The water meter at LDP003 malfunctioned and no volume was recorded for a period of 12 days. Thus resulting in 12 technical non-compliances of EPL528 Condition L3.1.
The volume discharged from LDP003 was estimated to be 6.27 ML/day from 12-20 September 2016 and 5.06 ML/day from 21-23 September 2016.
Date of incident/ non-compliance (if known; if not known state not known)
12-20 September 2016 and 21-23 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP003
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• From 12-20 and 21-23 September 2016, over 70 millimetres of rain fell across the mine site, which saturated the catchment.
• A lack of capacity in the discharge dam at LDP003 • The water meter installed at LDP003 malfunctioned and stopped recording
water discharge volume. Due to forecast rainfall events and reduced storage capacity of LDP003 Discharge Dam, Charbon was not in a position to cease discharge and conduct repairs. Ceasing discharge from LDP003 during September to conduct water meter repairs may have caused an uncontrolled discharge event, resulting in further non-compliances and possible environmental harm.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
The LDP003 faulty water meter was repaired and calibrated on 6 October 2016. All of the other Charbon LDP’s were also recalibrated by ALS on the 6 October 2016.
In addition, an inspection form has been prepared to provide to record daily meter reading from the flow meters at the LDP’s.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
The water meter at LDP003 was repaired and recalibrated. In addition, an inspection form has been prepared to record daily LDP meter readings.
Further action to be undertaken includes rehabilitation of disturbed areas at Charbon Colliery to reduce the sediment load in surface water runoff following rainfall events.
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Table 47 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Between 15 and 19 September 2016, water discharging from LDP002 exceeded the total suspended solids (TSS) concertation limit (50 mg/L) stipulated in Table L2.4 of EPL528. This resulted in five (5) non-compliances with EPL528, as detailed below:
Date TSS Result (mg/L)
15 September 2016 79
16 September 2016 68
17 September 2016 82
18 September 2016 61
19 September 2016 126
Date of incident/ non-compliance (if known; if not known state not known)
15-19 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP002
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• From 1 to 4 September 2016, over 70 millimetres of rain fell across the mine site, which saturated the catchment. In addition, on 18 September 2016 over 27 millimetres of rainfall was recorded at Charbon Colliery.
• A lack of capacity in the discharge dam at LDP002.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
• A series of pumps have been installed at sediment dams, as appropriate to allow water to be transferred to different areas as required to maintain adequate capacity in the sediment dams at the mine site.
• Valve maintenance/repairs were undertaken between LDP002 Settling Dam and LDP002 Discharge Dam on 12 September 2016.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• Provision of an appropriate engineering system to manage rainfall events, allowing water to be transferred to different areas as required to maintain adequate capacity in the sediment dams at the mine site.
• Review of WMP at Charbon Colliery to ensure it contains the most recent information that reflects the current disturbed area of the mine site.
• Rehabilitation of disturbed areas at Charbon Colliery to reduce the sediment load in surface water runoff following rainfall events.
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Table 48 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Between 12 and 23 September 2016, water discharging from LDP003 exceeded the total suspended solids (TSS) concertation limit (50 mg/L) stipulated in Table L2.4 of EPL528. This resulted in 12 non-compliances with EPL528, as detailed below:
Date TSS Result (mg/L)
12 September 2016 126
13 September 2016 179
14 September 2016 111
15 September 2016 116
16 September 2016 263
17 September 2016 112
18 September 2016 121
19 September 2016 490
20 September 2016 481
21 September 2016 234
22 September 2016 313
23 September 2016 333
Date of incident/ non-compliance (if known; if not known state not known)
12-23 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP003
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• From 1 to 4 September 2016, over 70 millimetres of rain fell across the mine site, which saturated the catchment. In addition, on 18 September 2016 over 27 millimetres of rainfall was recorded at Charbon Colliery.
• A lack of capacity in the discharge dam at LDP003.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
A series of pumps have been installed at sediment dams, as appropriate to allow water to be transferred to different areas as required to maintain adequate capacity in the sediment dams at the mine site.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• Provision of an appropriate engineering system to manage rainfall events, allowing water to be transferred to different areas as required to maintain adequate capacity in the sediment dams at the mine site.
• Review of WMP at Charbon Colliery to ensure it contains the most recent information that reflects the current disturbed area of the mine site.
• Rehabilitation of disturbed areas at Charbon Colliery to reduce the sediment load in surface water runoff following rainfall events.
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Table 49 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Between 9 and 10 September 2016 and 14-19 September 2016, water discharging from LDP002 exceeded the turbidity concertation limit (50 NTU) stipulated in Table L2.4 of EPL528. This resulted in 8 non-compliances with EPL528, as detailed below:
Date Turbidity (NTU)
9 September 2016 58.7
10 September 2016 65.7
14 September 2016 55.5
15 September 2016 147
16 September 2016 80.2
17 September 2016 120
18 September 2016 74.2
19 September 2016 167
Date of incident/ non-compliance (if known; if not known state not known)
9 and 10 September 2016.
14-19 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP002
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• From 1 to 4 September 2016, over 70 millimetres of rain fell across the mine site, which saturated the catchment. In addition, on 18 September 2016 over 27 millimetres of rainfall was recorded at Charbon Colliery.
• A lack of capacity in the discharge dam at LDP002.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Valve maintenance/repairs were undertaken between LDP002 Settling Dam and LDP002 Discharge Dam on 12 September 2016.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• Provision of an appropriate engineering system to manage rainfall events, allowing water to be transferred to different areas as required to maintain adequate capacity in the sediment dams at the mine site.
• Review of WMP at Charbon Colliery to ensure it contains the most recent information that reflects the current disturbed area of the mine site.
• Rehabilitation of disturbed areas at Charbon Colliery to reduce the sediment load in surface water runoff following rainfall events.
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Table 50 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Between 12 and 23 September 2016, water discharging from LDP003 exceeded the turbidity concentration limit (50 NTU) stipulated in Table L2.4 of EPL528. This resulted in 12 non-compliances with EPL528, as detailed below:
Date TSS Result (mg/L)
12 September 2016 308
13 September 2016 290
14 September 2016 310
15 September 2016 377
16 September 2016 440
17 September 2016 426
18 September 2016 458
19 September 2016 867
20 September 2016 1,000
21 September 2016 773
22 September 2016 946
23 September 2016 1,020
Date of incident/ non-compliance (if known; if not known state not known)
12-23 September 2016.
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP003
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• From 1 to 4 September 2016, over 70 millimetres of rain fell across the mine site, which saturated the catchment. In addition, on 18 September 2016 over 27 millimetres of rainfall was recorded at Charbon Colliery.
• A lack of capacity in the discharge dam at LDP003.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Rehabilitation of disturbed areas at Charbon Colliery has been undertaken to reduce the sediment load in surface water runoff following future rainfall events.
A series of pumps and pipes have been installed across the site to allow for the transport of water between water storage infrastructure.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• Provision of an appropriate engineering system to manage rainfall events, allowing water to be transferred to different areas as required to maintain adequate capacity in the sediment dams at the mine site.
• Review of WMP at Charbon Colliery to ensure it contains the most recent information that reflects the current disturbed area of the mine site.
• Rehabilitation of disturbed areas at Charbon Colliery to reduce the sediment load in surface water runoff following rainfall events.
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Table 51 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
On 8 October 2016, water discharging from LDP006 exceeded the turbidity concertation limit (50 NTU) stipulated in Table L2.4 of EPL528. This resulted in 1 minor non-compliance with EPL528, as detailed below:
Date Turbidity (NTU)
8 October 2016 51.2
Date of incident/ non-compliance (if known; if not known state not known)
8 October 2016
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP006
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• The water level of LDP003 was low as Charbon was discharging as much water from LDP006 as possible to increase site water capacity in response to recent storm events. Water had been discharging from LDP006 for 2 consecutive days prior to the incident occurring.
• Sediment has been observed to be re-suspended in LDP006 inconjunction with exiting aquatic bioturbation, near the outlet valve.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
• The discharge valve was immediately shut off following water sampling as a precautionary measure.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• When LDPs are discharging and the water level is low, staff will regularly monitor water levels and water quality to ensure sediment is not re-suspending in the discharge water.
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Table 52 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
On 11 October 2016, water discharging from LDP002 exceeded the turbidity concertation limit (50 NTU);and on 13 October 2016 water discharging from LDP2 exceeded the pH limit (8.5), total suspended solids limit (50 TSS) and turbidity limit (50 NTU) as stipulated in Table L2.4 of EPL528.
This resulted in 4 minor non-compliances with EPL528, as detailed below:
Date Water quality exceedance
11 October 2016 Turbidity 59.2 (NTU)
13 October 2016 Turbidity 55.1 (NTU)
pH 8.9
Total suspended solids 51 (TSS)
Date of incident/ non-compliance (if known; if not known state not known)
11 and 13 October 2016
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP002
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• The water level of LDP002 was low as Charbon was discharging as much water from LDP002 as possible to increase site water capacity in response to recent storm events.
• Water had been discharging from LDP002 for five (5) consecutive days prior to the initial exceedance occurring, and seven (7) consecutive days by the second exceedance.
• Sediment has been observed to be re-suspended in LDP002 inconjunction with exiting aquatic bioturbation, near the outlet valve.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
• The discharge valve was immediately shut off following water sampling on the 13 October 2016 as a precautionary measure.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• When LDPs are discharging and the water level is low, staff will regularly monitor water levels and water quality to ensure sediment is not re-suspending in the discharge water.
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Table 53 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
On 8 December 2016, water discharging from LDP003 exceeded the turbidity concertation limit (50 NTU) stipulated in Table L2.4 of EPL528. This resulted in 1 minor non-compliance with EPL528, as detailed below:
Date Turbidity (NTU)
8 December 2016 50.3
Date of incident/ non-compliance (if known; if not known state not known)
8 December 2016
The location of the incident/ non-compliance (include a figure if appropriate), if known
Discharge dam LDP003
Detail the cause of the incident/non-compliance
Contributing factors were identified as:
• The water level of LDP003 was low as Charbon was discharging as much water from LDP003 as possible to assist with the PRP.
• Strong winds were observed to be re-suspending sediment in LDP003, particularly on the surface of the water, where the intake was discharging water from.
• Sediment was observed to be re-suspending in LDP003 inconjunction with exiting aquatic bioturbation.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
• The discharge valve was immediately shut off following water sampling as a precautionary measure.
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
• When LDPs are discharging and the water level is low, staff will regularly monitor wind conditions to ensure sediment is not re-suspending in the discharge water.
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Table 54 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Annual Review- Timing of Submission
Date of incident/ non-compliance (if known; if not known state not known)
Annual review required to be submitted by 31 March 2015 and was submitted 3 May 2015
The location of the incident/ non-compliance (include a figure if appropriate), if known
Not Applicable
Detail the cause of the incident/non-compliance
Identification of reporting requirements
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Not Applicable as administrative non- compliance
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
Charbon has adopted the Centennial Database to manage conditions of Project approval
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Table 55 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Implementation of the Site Water Management Plan- Groundwater Monitoring not undertaken in accordance with plan (11/10/2016 Correspondence)
Date of incident/ non-compliance (if known; if not known state not known)
2016
The location of the incident/ non-compliance (include a figure if appropriate), if known
GW800781
Detail the cause of the incident/non-compliance
GW800781 cannot be monitoring due to as there are pump lines within the privately owned bore.
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Not Applicable as administrative non- compliance
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
A revised Site Water Management Plan was submitted to be Department on the 27 February 2017 for approval following consultation with relevant government agencies.
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Table 56 Incident/Non-Compliance Summary
Nature of the incident/non-compliance
Implementation of the Site Water Management Plan- (29/11/2016 Correspondence)
Date of incident/ non-compliance (if known; if not known state not known)
Centennial Notification 1 September 2016
The location of the incident/ non-compliance (include a figure if appropriate), if known
Charbon Colliery
Detail the cause of the incident/non-compliance
Implementation and management of erosion and sediment control structures and surface water infrastructure in accordance with Site water management Plan
Detail action that has been, or will be, taken to mitigate any adverse effects of the incident/ non-compliance
Not Applicable as administrative non- compliance
Detail action that has been, or will be, taken to prevent recurrence of the incident/ non-compliance
A revised Site Water Management Plan was submitted to be Department on the 27 February 2017 for approval following consultation with relevant government agencies.
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Table 57 Summary of Reportable Incidents and Regulatory Actions
Compliance Type
Agency Number Response
Incidents EPA 69 EPA was notified of all relevant water quality and water volume non-compliant discharges from LDPs with EPL 528.
DP&E and EPA
1 DP&E and EPA were notified of incident in non-compliance with PA 08_0211. Issue was rectified to avoid further non-compliance.
Caution Notices - 0 -
Warning Letters
(Show Cause)
EPA 1 In response to discharges from LDPs, an inspection was completed on 8 September and 6 October 2016 by the EPA, with upgrade works identified to the water management system. Subsequently on 14 October 2016, EPA issued a draft licence variation to include a Pollution Reduction Program.
A list of short terms actions for water, erosion and sedimentation management was received from the EPA on 10 October 2016.
An ‘invitation to show cause’ was received from the EPA on 18 October 2016.
DP&E 1 A show cause letter was received from DP&E on 30 September 2016, with Charbon providing a response on 14 October 2016.
1 A Warning letter was received on 12 May 2016 for failure to provide the 2015 Annual Review by the 31 March 2016.
Penalty Notices DP&E 1 A penalty notice was received 11 October 2016 for failure to comply with Schedule 3, Condition 29 of Project Approval 08_0211, failure to implement a Groundwater Monitoring Program.
1 A penalty notice was issued on 16 March 2016 for out-of-pit overburden stockpiling, which is an offence under Section 125(1) of the EP&A Act for failure to comply with Condition 2 of Schedule 2 of the Project Approval, as required by s 75D of the Act.
Charbon was issued with a fine of $3,000, which has been settled.
1 A penalty notice was issued 26 October 2016 for Implementation and management of erosion and sediment control structures and surface water infrastructure in accordance with Site water management Plan (site water balance, erosion and sediment control plan, and surface and groundwater monitoring programs)
Charbon was issued with a fine of $15,000, which has been settled.
Prosecutions Land and 1 On 18 August 2016 Charbon was convicted of an offence
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Environment Court
against s125(1) of the EP&A Act which occurred between 6 April 2012 and 31 December 2014. The offence was in relation to destroying Aboriginal artefacts at a previously identified site (CH-0S6).
Charbon was issued a fine of $175,000 plus legal fees ($55,000), which have been settled by Charbon.
Artefact site (CH-0S6) was delisted from AHIMS on 28 November 2016.
Note: This table includes actions taken by DPE, DRE and the EPA during the reporting period.
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14. ACTIVITES TO BE COMPLETED IN THE NEXT REPORTING PERIOD
Charbon Colliery has ceased mining and is currently completing an EIS, MOP and subsequent plans to facilitate the rehabilitation and closure of the site. Charbon will continue working in conjunction with State agencies and technical consultants during the next reporting period to progress the EIS, MOP and mine closure plans.
The activities proposed for 2017 are summarised in Table 58 below:
Table 58 Activities proposed to be completed in the next reporting period
Activities proposed for 2017 Proposed timing of completion
Complete proposed rehabilitation of the Southern Open Cut, Southern Outlier and Western Outlier areas
5 April 2017
Complete and implement the Rehabilitation and Closure Mine Operations Plan (MOP)
31 March 2017
Update and implement the Water Management Plan 31 March 2017
Update and implement the Air Quality Management Plan 31 March 2017
Update and implement the Noise Management Plan 31 March 2017
Update and implement the Environmental Management Strategy
31 March 2017
Update and implement the Greenhouse Gas and Energy Management Plan
31 March 2017
Update and implement the Blast Management Strategy 31 March 2017
Update and implement the Compensatory Habitat Management Plan
June 2017
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Figure 45 Charbon Colliery Sensitive Receiver and Monitoring Locations
Charbon Coal Pty Ltd
P O Box 84
Charbon 2848
www.centennialcoal.com.au