INTRODUCTION - Northern Coalfields Limitednclcil.in/env/monitoring/Environment Statement 2017... ·...

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अग�त, 2018

�े�ीय सं�थान- ६

पो॰आ॰- जयंत, �सगंरौल) (म॰*॰)

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A Mini Ratna Company

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िनगाही खुली खान प�रयोजनाक�

पया�वरणीय िववरणी

(वष� 2017-2018)

E. C. no. J-11015/364/2005-IA.II(M) dated 02.09.2015

Northern Coalfields Limited

August, 2018

CMPDIISO 9001 Company

Regional Institute-6

P.O.- Jayant, Singrauli (MP)

STRICTLY RESTRICTED

FOR COMPANY USE ONLY RESTRICTED

The information given in this report is not to be

communicated either directly or indirectly to the

press or to any person not holding an official

position in the CIL / GOVERNMENT.

ENVIRONMENTAL STATEMENT

OF

NIGAHI OPENCAST PROJECT (18.75 Mtpa)

(YEAR 2017-2018)

EC No. J-11015/79/2013-IA.II (M) dtd. 19.03.2015

ENVIRONMENTAL STATEMENT OF

Nigahi Opencast project (For the Year 2017-18)

CONTENTS

Sl. No. Chapter Particulars Page No.

1. Executive Summary 1

2. Chapter -1 Introduction 1-2

3. Chapter -2 Environmental Statement Form-V (Part 'A' to 'I' )

1 - 12

4. Annexure :

Annexure-I Ambient Air Quality Data 1 - 6

Annexure-II Water/ Effluent Quality Data 9- 11

Annexure-III Noise levels monitoring Data 12– 15

5. Plates :

Plate No.-I Project Location Plan

Plate No.-II Project Plan showing Air, Water/effluent & Noise monitoring locations

Plate No.-III Location of top soil storage site

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EXECUTIVE SUMMARY E.1 Northern Coalfields Ltd., a leading subsidiary of Coal India Limited has

entrusted CMPDI, RI-VI, Jayant for the work of preparation of Annual Environmental statement for the year 2017-18 for Nigahi OCP. This is a statutory Report to be submitted by each mine unit in accordance with Ministry of Environment, Forest & Climate Change-(MoEFCC), Government of India's notification No. G.S.R.386 (E) dated 22nd April, 1993.

E.2 Nigahi opencast coal mining project lies in Moher Sub-Basin which is located

in Singrauli District of M.P. between latitudes 24°06'3.29" to 24°11'16.37" North and longitudes 82°35'28.23" to 82°39'50.12" East. The nearest railway station is Shaktinagar in UP about 7 km and Singrauli in MP about 22 km.

E.3 The targeted capacity of Nigahi Project is 18.75 MTY. The project has

achieved the production of 17.12 Mt Coal and 66.44 Mm3 OB during 2017-18. E.4 The project has Environmental Clearance from Ministry of Environment, Forest

& Climate Change (MoEFCC) for a rated capacity of 18.75 Mtpa of coal production vide letter No.J-11015/79/2013-IA.II (M) dtd 19.03.2015.

E.5 The Environmental Statement for the year 2017-18 has been presented in

Form-V in the present report. The following are the findings of the different environmental attributes:

i) The air quality monitoring status shows that the SPM, PM10, PM2.5 values for the project are within permissible limits. The SO2 and NOx values are also within permissible limits.

ii) The quality of effluent discharged from the Mine, CHP and Workshop after treatment is found to be within permissible limits.

iii) The noise level of the project has been observed to be within permissible limits.

E.6 Hazardous waste produced from the process or from the pollution control

facilities of the project are disposed-off as per standard norms. Out of six no. of overburden dumps, four (4) no. are internal dumps and 2 no. are external dumps (western external and southern external OB dumps). A portion of western external dump and South external dump has already been reclaimed and rest is in the process of reclamation. Slopes of the internal dumps have been regularly reclaimed in line with progressive advancement of the mines towards north. Presently all the six dumps are active.

E.7 Some additional suggestions given in Part-H of the report should also be

implemented for further improvement of environmental scenario. E.8 Northern Coalfields Ltd. has implemented “Integrated Management System”

(IMS) in line with the accreditation body. IMS comprises of the following: ISO : 14001: 2004 –EMS (Environmental Management System) ISO : 9001 : 2008 – QMS (Quality Management System) OHSAS : 18001 : 2007-(Occupational Health and Safety Assessment System)

Environmental Statement of Nigahi OCP (Job No:- 6106081) Executive Summary, Page No. 1

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CHAPTER – 1

INTRODUCTION 1.1 GENESIS Vide gazette Notification No. G.S.R-386(E) dated 22nd April, 1993, the

Ministry of Environment, Forest & Climate Change, Government of India have made provision for mandatory Environmental Statement as follows:

"Every person carrying on an industry, operation or process requiring consent

under section 25 of the Water Act, 1974 or under section 21 of the Air Act, 1981 or both or authorization under the Hazardous Waste Rule, 1989 issued under the Environmental Protection Act, 1986 shall submit an Environmental Statement Report for the financial year ending 31st March in Form-V to the concerned state pollution control board on or before the 30th day of September every year".

In compliance of the above, the Annual Environmental Statement for Nigahi

opencast coal mining project has been prepared. 1.2 PROJECT DESCRIPTION 1.2.1 LOCATION, TOPOGRAPHY & DRAINAGE The project is located in Moher basin of Singrauli Coalfields in Singrauli

District of Madhya Pradesh. It is covered under Topo sheet no. 63-L /12 between latitudes 24°06'3.29" to 24°11'16.37" North and longitudes 82°35'28.23" to 82°39'50.12" East.

The project is well connected to Sidhi in MP about 110 km and Varanasi in UP about 220 km. The nearest railway station is Shaktinagar in UP about 7 km and Singrauli in MP on the Obra-Katni branch line of Eastern Railway which is about 22 km away and is approachable by an all weather road.

The area is undulating and hilly terrain. The elevation varies from 300m to

500m above MSL (Mean Sea Level). The drainage of the area towards north into Bijul nallah through Mehrauli/Morwa nallah, the other towards south into GBP Sagar through Motwani Nalla.

The project location is shown in the Plate No.-I

1.2.2 SALIENT FEATURES The project is designed to produce 18.75 Mtpa of coal from the four working

seams namely; Purewa Top, Purewa Bottom, Purewa merged and Turra with an average stripping ratio of 3.68 m3/t.

Environmental Statement of Nigahi OCP (Job No.- 6106081) Chapter - 1, Page No. 1

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The gradient of the seams varies from 2o to 3o. The average grade (declared grade) of coal is G-10. The project is linked to serve Vindhyachal Super Thermal Power Station of NTPC.

Total land requirement was estimated as 3036.40 ha, out of which 1260 ha is

forestland, 1567.40 ha tenancy land (includes 38.517 Ha revenue forest land) and 209.00 ha Government/wasteland.

The project is being worked by combined mining system deploying dragline and shovel dumper combination. The ultimate working depth has been estimated as 250 m. The total O.B. during the mine life has been estimated as 1776.65 Mm3, out of which 231 Mm3 will be dumped as external dump and balance will be dumped as internal dumps. The overall dump slope will be kept at 28o to prevent dump slide.

The project has Environmental Clearance from Ministry of Environment, Forest

& Climate Change (MoEFCC) for a rated capacity of 18.75 Mtpa of coal production vide letter No.J-11015/79/2013-IA.II (M) dtd 19.03.2015.

Environmental Statement of Nigahi OCP (Job No.- 6106081) Chapter - 1, Page No. 2

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CHAPTER - 2


FORM - V

Environmental Statement for the financial year ending 31st March - 2018

PART - A

1. Name and address of the project : Nigahi Project Northern Coalfields Limited P.O. Nigahi Project Distt. Singrauli (MP) 486 884 2. Industry Category : SIC -1240 3. Production Capacity : Coal – 18.75 Mtpa 4. Year of establishment : 1985 5. Date of last Environmental : Annual environmental statement Statement Report submitted for Nigahi OCP was submitted on 13th of September, 2017. Environmental Statement of Nigahi OCP (Job No: - 6106081) Chapter - 2, Page No. 1

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PART - B 1. WATER CONSUMPTION:

Sl.No. Particulars Consumption (cu.m. / day)

2016-2017 2017-2018

1

Industrial: a) Haul Road/ Dust Suppression b) Workshop c) Fire Fighting d) Others (including OB outsourcing)

1477

1970

1493

1981

2 Cooling NIL NIL

3 Domestic : a) Colony b) Arboriculture

1710

1720

Total 5157 5194

Name of the product

Industrial water consumption/ unit of product

2016-2017 2017-2018

Coal 0.081 Cu.m.per Tonne of Coal 0.074 Cu.m.per Tonne of Coal II RAW MATERIAL CONSUMPTION

Name of the raw material Name of the Product

Consumption of Raw material per unit of product

2016-2017 2017-2018

NIL Coal NIL NIL

The project is opencast coal mining which do not require any raw materials for its

final product which is raw coal.

Environmental Statement of Nigahi OCP (Job No: - 6106081) Chapter - 2, Page No. 2

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PART - C

POLLUTION DISCHARGED TO ENVIRONMENT

(Parameters as specified in the consent issued )

Pollution Quantity of pollution generated

Concentrations of Pollutants in discharges

(mass/ volume)

Percentage variation from prescribed standard with reason

a) Air

Due to diffusive source,

quantity of pollution is not

measurable

Refer Annexure-I

The ambient air quality with respect

to the parameters viz. SPM, PM10,

PM2.5, SO2 and NOx is regularly

monitored and is enclosed as

Annexure – I.

b) Water

a) Mine discharge – 2654

m3/day which is being

collected in Bareja

siltation pond and the

same is being re-used in

water sprinkling on the

haul roads.

b) From Workshop -

400 m3 /day

c) From CHP & others -

1300 m3 /day

d) From Colony -

1400 m3 /day

Refer Annexure-II

The effluent discharged from the

workshop is treated in an ETP of 4

MLD capacity, the effluent from CHP

and other facilities is treated in an

ETP of 10.5 MLD capacity &

domestic sewage from colony is

treated in a STP of 3.00 MLD

capacity.

After treatment the effluents’

parameters are found to be meeting

the prescribed Indian Standards

( see Annexure- II )

c) Noise

Due to diffusive source,

quantity of pollution is not

measurable.

Refer Annexure-III Noise levels are monitored around

the mine and found to be within

permissible limits (see Annex. - III )


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PART - D

(HAZARDOUS WASTES)

(As specified under hazardous wastes management and Handling Rules, 1989 ).

Hazardous wastes

Total Quantity

During the previous financial year

(2016-2017)

During the current financial year

(2017-2018)

a) From Process 252.50 KL (Used Oil) 229.87 KL (Used Oil)

b) From pollution control facilities

Emulsified oil from oil and grease trap - 0.135 KL

Emulsified oil from oil and grease trap - 0.200 KL


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PART - E

SOLID WASTE

Solid Waste Total quantity in Million Cum/year

During the current financial year (2016-2017)

During the current financial year (2017-2018)

a) From process 53.20 Mm3 (OB) 66.44 Mm3 (OB)

b) From pollution control facilities

6639 m3

3253.61 m3

c)

1.Quantity recycled or reutilised 23.44 Mm3 (OB) 46.43 Mm3 (OB)

2. Sold NIL NIL

3. Disposed 29.76 Mm3 (OB) & 6639 m3 of ETP Sludge

20.01 Mm3 (OB) & 3253.61 m3 of ETP sludge

Note: - Overburden is recycled/ reutilised as internal OB dump and also disposed off in External dump as per approved EMP. ETP sludge is mainly dumped in the coal yard.


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PART - F

PLEASE SPECIFY THE CHARACTERISATION (IN TERMS OF COMPOSITION AND QUANTUM) OF HAZARDOUS AS WELL AS SOLID WASTE AND INDICATE THE DISPOSAL PRACTICE ADOPTED FOR BOTH THESE CATEGORIES OF WASTES.

F. 1 Hazardous Waste: Hazardous wastes is mainly used oil from the HEMMs. During the current financial

year 2017-18, about 229.87 KL used oil including emulsified oil has been recovered from oil and grease trap and other sections. In the year 2017-18, 200.00 KL of category 5.1 oil waste was disposed through an authorized TSDF.

Used oil generated from different sections and workshop is collected by trolley and

drums system and returned to the stores. It is then sold to authorized recycler. The project has obtained the authorisation for generation, storage and disposal of

hazardous waste from the Madhya Pradesh Pollution Control Board under Hazardous & Other Wastes (Management & Transboundary Movement) Amendment Rules, 2016.

F.2 Solid Wastes: One of the solid waste generated from the opencast mine is overburden material

including topsoil, which consists of three distinct materials: i) mixture of fine grain sand stone, clay and shale (about 15%). ii) weathered porous grained (ferruginuous) sand stone (about 30%) iii) porous grained white sand stone (about 55%).

During the year, 2017-18, about 66.44 Mm3 of overburden was generated by the

project. Dumping of the excavated OB material is being done in earmarked four numbers of internal dump sites and two numbers of external dump sites as per the approved EMP (15 MTY). This dumping is being done in benches of height not exceeding 30 m. Thereafter these dumps are being reclaimed technically by levelling with dozer and grader while keeping overall slope of the dump to be less than 280. Appropriate plant species are grown on the dump slopes to stabilise them and to prevent soil erosion. Till March-2018, 330.00 ha of external and internal OB dump have been reclaimed technically and 319 Ha biologically.

F.3 Top Soil: The mine lease area and its surrounding area is undulating and hilly terrain.

Hence, at Nigahi OCP, top soil is available in patches. The prevalent practice is to reuse the top soil, whatsoever is generated, readily for biological reclamation of OB dumps.

The top soil which need to be stored is being stock-piled on the designated top soil

dump i.e., top soil storage site on the north side of the top of the western internal dump (Plate-III) and preserved by growing suitable vegetation on it.


CMPDI The quantity of top soil generated and reused in the previous two financial years is

as follows:

Year Quantity of topsoil generated in m3

Quantity of topsoil reused in m3

2016-17 2,00,000 5000 2017-18 1,20,000 10000


CMPDI

PART – G IMPACT OF POLLUTION ABATEMENT MEASURES ON CONSERVATION OF

NATURAL RESOURCES AND ON THE COST OF PRODUCTION G.1 A detailed EIA/EMP was prepared for Environmental Clearance for 15.00 Mtpa

Coal production by RI-VI of CMPDI in 2006. In order to prevent any damage to the Environment, several measures were suggested in the Environment management plan to keep the pollution within permissible limits. The following measures are being followed:

Air Pollution Control Measures: OEM water tankers (two each of 28 KL and 70 KL capacity), converted water

tankers (7 nos. of 37 KL capacity) are deployed for water spraying on haul roads and other required areas.

Besides the above mentioned departmental arrangement, the outsourcing management has its own fleet of water tankers for water spraying on haul roads and are tabulated as below:

No. of water tankers

Capacity (KL)

Approximate no. of trips/ day

13 12 110 7 18 1 28 2 15

Water spraying arrangement through nozzles has been done near unloading point

of receiving pit and loading point of SILO. Vegetation/ Plantation have been carried out over the surface of dumps.

Dust collectors are provided in drills.

Green belts around colony, quarries, OB dumps, and industrial area has been

provided. 37500 plants were planted on OB slopes in slope area of 15 Ha in 2017-18.

Water Pollution Control Measures:

a) Waste water from Workshop and CHP: It is being treated in two numbers of ETPs of capacities 4.0 MLD and 10.5 MLD constructed for Workshop and CHP effluents respectively. The method of treatment used in these ETPs is chemical treatment i.e. Coagulation and Flocculation by using Alum as the coagulant in the presence of lime and poly-electrolyte.


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b) Domestic waste water: It is being treated in a STP of capacity 3.0 MLD. The method of treatment is biological treatment i.e. biological oxidation of waste water by aerobic biomass.

c) Discharged Mine Water: At present mine water is partially treated in three stages. In the first stage sedimentation is carried out at mine face sump, in the second stage it is carried out at Old Bareja Reservoir and in the final stage sedimentation is carried out at New Bareja reservoir.

Noise Pollution Control Measures:

The noise values are within permissible limits as per the noise monitoring report. The noise is mainly being produced during:

i) Drilling & blasting operation. ii) Operation of HEMM like dragline, dumpers, dozers, shovels and other

motor vehicle. iii) Operation of CHP due to crushing, screening, loading and unloading

operation.

iv) Workshop operation.

The following measures are being adopted to keep the noise pollution within limits:-

i) Blasting operation are carried out in between 1.00 PM to 2.00 PM during

which all workers are evacuated from the mine area. ii) Routine maintenance of HEMM is done in the project. Operators are

provided A/C cabin which acts as a noise insulator.

iii) Operators and workmen are provided earmuffs and earplugs as and when required.

iv) Colony has been constructed at a distance of 4 km approximately from the

mine area to minimise the impact of noise due to mining activity. Curtain plantation is done between the mine area and colony which acts as noise barrier.

v) In CHP crusher boxes are enclosed. Gyratory crushers are employed which make minimum noise. At both loading and unloading points, air-conditioned enclosed cabins are provided for work persons employed therein.

G.2 Land Reclamation:

The removal and management of OB from mine has been outlined in Part - F of the report. The project has carried out massive afforestation in the area. Up to March-2018, about 31.66 Lakhs saplings have been planted in Nigahi area. A sum of Rs.4.96 Crores (approx) has been spent on environmental protection in the year 2017-18.


CMPDI G.3 IMPACT OF POLLUTION CONTROL MEASURES ON COST OF PRODUCTION: As per environmental management plan the cost for environmental protection

measures is Rs. 8.58 per tonne of coal. G.4 Expenditure incurred on Environmental work and abatement of pollution in the

year 2016-2017 and 2017-2018 in Nigahi project are given in Table G-1 and G-2 respectively.

Table No. G-1

Expenditure incurred on Environmental work in the year 2016-17 at Nigahi Project

Sl.No. Particulars Amount in Rs.

1. Annual cleaning of settling tanks of dumper & dozer washing station in old and New HEMM Workshop at Nigahi.

1887400.00

2. Operation and maintenance of industrial ETP including supply of material and manpower for 24 months at Nigahi.

3314500.00

3. Operation and maintenance of STP 2139133.89 4. World Environment day Celebration 14000.00 5. Development of fruit bearing garden near Itwa pump house at Nigahi Project. 189628.52 6. Drain Cleaning in the mines. 5643123.00 7. Drain Construction in the mines 1189824.00 8. Retaining wall construction in the mines 5865351.00 9. Construction of Gabion walls 6908534.00 10. Analysis of physio-chemical parameters and bacteriological test and heavy metals in

water sample of dug well and surface water 40449.60

11. Supply of fruit bearing plants for distribution among the employees of Nigahi Project 81060.08 12. Plantation work for the year 2016-17 and maintenance of previous year plantation 19124387.65 13. Water Cess payment 216500.00

Total 46613891.74

Table No. G-2 Expenditure incurred on Environmental work in the year 2017-18 at Nigahi Project

Sl.No. Particulars Amount in

Rs. Lakhs 1. Operation and Maintenance of ETP 33.65 2. Operation and Maintenance of STP 27.88 3. Cleaning of Siltation Pond in Old Workshop 9.01 4. Cleaning of Siltation Pond in New Workshop 5.13 5. Celebration of World Environment Day 2.91 6. Drain Cleaning in the mines 167.49 7. Construction of retaining wall 2.41 8. Construction of Gabion Walls 39.67 9. Environment Monitoring Cost 42.00 10. Supply of fruit bearing plants to villagers near to the project 0.61 11. Operation and Maintenance of Mobile water tankers 67.20 12. Plantation of year 2017-18 and maintenance work of previous four year plantation 98 13. Water Cess Payment 0.54

Total 496.50


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PART - H

ADDITIONAL MEASURES/INVESTMENT PROPOSAL FOR ENVIRONMENT PROTECTION, ABATEMENT OF POLLUTION, PREVENTION OF POLLUTION

H.1 Eco-restoration was conducted by Forest Research Institute (FRI), Dehradun on 5 Ha area on top of the East Central OB dump (D-3 dump) of Nigahi mine. Some additional measures are suggested to ensure operation of the project activities do not hamper the environment. They are as follows:

i) Complete afforestation over fully constructed OB dumps and unused lands

within the leasehold. ii) Proper maintenance of catch drains, garland drains and sedimentation

lagoons. H.2 In addition to the above, following measures are also recommended for better

environment:- i) All fully constructed and inactive OB dumps should be reclaimed with least

possible delay. The side slopes of the OB dumps shall be maintained within 28o.

ii) The fund provided for environmental protection and control should not be

diverted to any other activities.

iii) DGMS approved and environment friendly dust suppressant should be used for dust suppression along with water so as to minimize the water use and increase the dust suppression efficiency.

iv) Raised air monitoring platforms should be constructed at identified locations with proper power supply arrangement.


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PART - I ANY OTHER PARTICULARS IN RESPECT OF ENVIRONMENTAL PROTECTION AND ABATEMENT OF POLLUTION I.1 a) Carbon footprint study was conducted by Siri Energy & Carbon Advisory

Services Ltd. The report shows a clear reduction of 24189 T CO2 (20%) in the year 2017-18 as compared to previous year.

b) The fund provided for environment is not diverted to any other activities. c) Provision of earmuffs and earplugs as and when required to the operators

and nearby workers of high noise producing equipment. d) Technical & Biological reclamation will be continuing in phased manner as

per EMP. f) Environmental monitoring of ambient air, water/effluent and noise

measurement will be continued as per MoEFCC/ SPCB guidelines.


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Annexure - I AMBIENT AIR QUALITY MONITORING

Location of sampling station and their rationale ( as per G.S.R. 742 (E) dt. 25th December,2000)

Ambient Air Quality Sampling Locations I. CORE ZONE Monitoring Location (Refer Fig. No. - II ) i) Time Office / Substation (NA1): Industrial Area

The samplers were placed at the electric substation near mine working zone. The station was selected to assess the ambient air quality in the core zone where mining activities are in progress. The Dust generating most probable sources are haul road and OB Dump which are nearly 500 m away from the selected point.

ii) Bareja Pump House, (NA2) : Industrial Area

The Air samplers were placed at pump house near CHP. This station was selected to assess the ambient air quality in the core zone where road & CHP operation are in progress. The Dust generating most probable sources are haul road and CHP which are nearly 400 m away from the selected point.

iii) Nigahi Colony STP (NA3): Residential Area

The samplers were placed at STP near residential Colony of Nigahi. This location will represent the ambient air quality of residential area in Core zone of Nigahi Project. The Dust generating most probable sources are CHP and OB Dump which are nearly 1500 m away from the selected point.

iv) Nigahi Old Guest House (NA4): Residential Area

The samplers were placed at Old Guest House near DAV School and Temporary Colony of Nigahi. This site was selected to assess the present ambient air quality status in residential area in Core zone. The Dust generating most probable sources are haul road, OB Dump and CHP which are nearly 600 m away from the selected point.

v) Nigahi (East) Substation (NA5) : Industrial Area

The samplers were placed at Nigahi (East) Substation. This site was selected to assess the present ambient air quality status in Industrial area in Core zone of Nigahi Project. The Dust generating most probable sources are haul road and OB Dump which are nearly 200 m away from the selected point.

II. BUFFER ZONE Monitoring Location (Refer Fig. No. - I ) i) Amlohri Colony Pump House (AA4): Residential Area

The Air samplers were placed at Pump House near Residential Complex of Amlohri. The station was selected to represent the impact of mining activities

Environmental Statement of Nigahi OCP Job no-6106081 Annexure, Page - 1

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of Nigahi project in the buffer zone. The Dust generating most probable sources are CHP and Coal Yard which are nearly 1200 m away from the selected point.

ii) Surya Kiran Bhawan (DA5): Residential Area.

The samplers were placed at Surya Kiran Bhawan near residential colony of Dudhichua as well as NSC. This site was selected to assess the present ambient air quality status in residential area in buffer Zone of Nigahi OCP. The Dust generating most probable sources are nearby road and OB Dump which are nearly 800 m away from the selected point.

iii) Rose Garden (JYA3): Residential Area The Air samplers were placed at Rose Garden near Residential Complex of Jayant. This site was selected to assess the present ambient air quality status in residential area in buffer Zone of Nigahi OCP. The Dust generating most probable sources are CHP and nearby road which are nearly 200 m away from the selected point.

iv) Madhauli Substation (JYA4): Residential Area The samplers were placed at the electric substation near Madhauli Village. The station was selected to represent the mining activities of Nigahi Project in the buffer zone. The Dust generating most probable sources are CHP and nearby road which are nearly 100 m away from the selected point.

Methodology of sampling and analysis

Parameters chosen for assessment of ambient air quality were Suspended Particulate Matter, Respirable Particulate Matter (PM 10), Fine Particulate Matter (PM 2.5), Sulphur Di-oxide (SO2) and Nitrogen Oxides (NOx). Respirable Dust Samplers (RDS) & Fine particulate Sampler (FPS) were used for sampling “SPM, PM 10, SO2 & NOx” and “PM 2.5” respectively at 24 hours interval once in a fortnight. The samples were analysed in Environmental Laboratory of CMPDI, RI-VI, Jayant.


CMPDI

AMBIENT AIR QUALITY DATA Name of the Company: Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Q.E.: March’2018

Core Zone

Name of the stations & Code :

1. NA1- Time Office/Substation. 2. NA2- Bareja Pump house

3. NA3- Nigahi Colony STP 4. NA4- Nigahi Old Guest House 5. NA5- Nigahi (East) Substation

1. Station Code/Name: NA1- Time Office/Substation Category: Industrial.

2. Station Code/Name: NA2 - Bareja Pump house, Category: Industrial.

Note: NA*- Standards for coal mines inserted in Environment (Protection) Rules, 1986 via Rule 2(1) of the Environment (Protection) Amendment Rules, 2000 notified vide notification G.S.R. 742(E), dated 5.9.2000. do not stipulate permissible limit for PM 2.5.

Dates of sampling SPM RPM PM

2.5 SO2 NOx

06/07.01.2018 476 334 52 36 47 20/21.01.2018 394 286 47 28 32 06/07.02.2018 584 264 36 32 42 20/21.02.2018 630 256 42 24 26 06/07.03.2018 648 532 48 36 54 20/21.03.2018 672 540 57 42 47 Quarterly Average 567 369 47 33 41

Permissible Limits 600 300 *NA 120 120


2.5 SO2 NOx

04/05.01.2018 341 266 15 36 20 19/20.01.2018 411 301 42 65 35 06/07.02.2018 240 193 32 30 23 20/21.02.2018 386 298 13 46 32 06/07.03.2018 793 654 28 34 51 20/21.03.2018 636 582 34 42 47 Quarterly Average 468 382 32 42 35 Permissible Limits 600 300 *NA 120 120


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AMBIENT AIR QUALITY DATA Name of the Company: Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Q.E.: March’2018

Core Zone 3. Station Code/Name: NA3 – Nigahi Colony STP, Category: Residential.

4. Station Code/Name: NA4 - Nigahi Old Guest House , Category: Residential

5. Station Code/Name: NA5 - Nigahi (East) Substation, Category: Industrial

Dates of sampling PM 10 PM 2.5 SO2 NOx

10/11.01.2018 192 86 23 46 27/28.01.2018 175 72 16 43 14/15.02.2018 186 77 20 50 27/28.02.2018 188 83 18 38 06/07.03.2018 184 54 26 44 20/21.03.2018 197 76 32 38

Quarterly Average 187 75 23 43 Permissible Limits 100 60 80 80

Dates of sampling PM 10 PM 2.5 SO2 NOx

03/04.01.2018 363 32 33 46 19/20.01.2018 264 26 17 19 14/15.02.2018 297 36 26 43 27/28.02.2018 292 42 23 25 04/05.03.2018 301 56 24 38 20/21.03.2018 288 28 32 44

Quarterly Average 301 37 26 36 Permissible Limits 100 60 80 80


2.5 SO2 NOx

10/11.01.2018 374 294 50 10 26 29/30.01.2018 474 314 36 22 34 10/11.02.2018 568 288 54 16 30 27/28.02.2018 572 268 38 23 36 03/04.03.2018 532 488 56 28 42 30/31.03. 2018 655 553 42 36 50 Quarterly Average 529 368 46 23 36 Permissible Limits 600 300 *NA 120 120


CMPDI

AMBIENT AIR QUALITY DATA

Name of the Company: Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Q.E.: March’2018

Buffer Zone


1. AA4- Amlohri Colony, Pump House 2. DA5 - Surya Kiran Bhawan

3. JYA3 - Rose Garden 4. JYA4 - Madhuli Substation.

1. Station Code/Name: AA4- Amlohri Colony, Pump House, Category: Residential.

2. Station Code/Name: DA5 - Surya Kiran Bhawan, Category: Residential.

Dates of sampling PM 10 PM 2.5

SO2 NOx

05/06.01.2018 215 34 17 21 18/19.01.2018 258 32 32 43 05/06.02.2018 296 70 24 28 19/20.02.2018 256 36 18 20 05/06.03.2018 253 70 28 36 19/20.03.2018 272 63 37 43 Quarterly Average 216 45 23 29

Permissible Limits 100 60 80 80


SO2 NOx




CMPDI

AMBIENT AIR QUALITY DATA

Name of the Company: Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Q.E.: March’2018

Buffer Zone

3. Station Code/Name: JYA3 - Rose Garden, Category: Residential.

4. Station Code/Name: JYA4 - Madhauli Sub Stn, Category: Residential

Note:

All values are expressed in microgram per cubic meter.

24 hours duration

Dates of sampling PM 10

PM 2.5

SO2 NOx




SO2 NOx




CMPDI

Annexure - II WATER QUALITY MONITORING

Location of sampling sites and their rationale (Refer Plate No-.II)

i) Inlet of W/S- ETP (NW1)

To assess the effluent quality of Workshop before treatment in workshop ETP.

ii) Treated water from W/S- ETP (NW2) To assess the effluent quality of Workshop discharge after treatment in ETP.

iii) Inlet of CHP- ETP (NW3) To assess the CHP effluent quality before treatment in CHP ETP

iv) Treated water from CHP's ETP (NW4) This location has been selected to monitor the discharge quality of CHP ETP after treatment.

v) Treated water from STP (NW5) This site has been selected for asses the quality of treated domestic effluent through STP.

vi) Tap Water of DPS School (NW6) This is the location of the Project for monitoring of Drinking Water.

vii) Hand Pump Water of Temporary Colony (NW7) This location is monitoring for underground water quality of Drinking Water

viii) Overflow from Bareja Siltation pond (NW8) The sampling site was selected to check the water quality of overflow during the monsoon and the seepage from this dam, which should conform to MOEF&CC SCH-VI Standards.

ix) Water near OB dump at east Section (NW10) This location is selected to monitor the surface water quality of mine water sump whose water is used for dust suppression.

x) Hand Pump Water of Amjhar School (NW11) This location is monitoring for underground water quality of Drinking Water.


Water samples were collected as per standard practice. The effluent samples and Drinking water samples were collected and analysed for four/five parameters on fortnightly basis. The surface water sample and drinking water samples were collected and analysed for all parameters on quarterly basis. Parameters like pH, Temperature and Dissolved Oxygen were analysed on-site while collecting the samples. Thereafter the samples were preserved and analysed at the field laboratory located at RI-VI Office campus, as well as at the Environmental Laboratory at CMPDI (HQ), Ranchi.


CMPDI

Annexure - II WATER QUALITY

(EFFLUENT WATER)

Name of the Company: Northern Coalfield Limited Year: 2017 - 2018 PROJECT : Nigahi OCP PERIOD: APRIL, 2017- MARCH, 2018. SAMPLE CODE: NW1 - INLET OF W/S ETP NW2 - OUTLET OF W/S ETP NW3 - INLET OF CHP ETP ALL VALUES ARE EXPRESSED IN mg/l UNLESS SPECIFIED

Sl.No.

Parameters NW1 (Inlet of W/S ETP

)

NW2 (Outlet of W/S

ETP )

NW3 (Inlet of CHP

ETP )

As per MOEF General Standards for schedule VI

Date of Sampling 01.11.2017 01.11.2017 01.11.2017 1 Colour 6 3 2 Acceptable 2 Order Acceptable Acceptable Acceptable Acceptable 3 Total Suspended Solids 220 86 232 100 4 pH 6.83 6.76 7.19 5.5 - 9.0 5 Temperature (oC)

22.1 22.3 23.2 Shall not exceed 5 oC

above the receiving temp. 6 Oil & Grease 7 5 5 10 7 Total Residual Chlorine BDL (<0.04 ) BDL (<0.04 ) BDL (<0.04 ) 1 8 Ammoniacal Nitrogen BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 50 9 Free Ammonia BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 5 10 BOD ( 3 days 27 oC) 17 9 19 30 11 COD 38 30 62 250 12 Hexavalent Chromium BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 0.1 13 Flourides 0.2 0.2 0.2 2 14 Dissolved Phosphate 0.46 0.22 0.29 5 15 Sulphide <0.10 <0.10 <0.10 2 16 Phenolics Compounds BDL (<0.001 ) BDL (<0.001 ) BDL (<0.001 ) 1 17 Iron 0.1432 0.2163 BDL (<0.05) 3 18 Nitrate Nitrogen 2 1.3 5.5 10 19 Arsenic BDL (<0.001 ) BDL (<0.001 ) BDL (<0.001 ) 0.2 20 Lead BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 0.1 21 Total Chromium BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 2 22 Copper 0.0412 0.0862 0.2112 3 23 Zinc BDL(<0.02) BDL(<0.02) BDL(<0.02) 5 24 Selenium BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 0.05 25 Nickel BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 3 26 Manganese BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 2 27 Total Kjeldahl Nitrogen 5.2 3.5 6.2 100 28 Mercury BDL (<0.001) BDL (<0.001) BDL (<0.001) 0.001


CMPDI

WATER QUALITY (EFFLUENT WATER)

Name of the Company: Northern Coalfield Limited Year: 2017-18 PROJECT : Nigahi OCP PERIOD: APRIL, 2017- MARCH, 2018. SAMPLE CODE : NW4 - OUTLET OF CHP ETP NW5 - OUTLET FROM STP NW8 - OVERFLOW FROM BIRJUA SILTATION POND

ALL VALUES ARE EXPRESSED IN mg/l UNLESS SPECIFIED Sl.No.

Parameters NW4 (Outlet of CHP

ETP )

NW5 (Outlet of STP )

NW8 (Siltation Pond )

As per MOEF General Standards for schedule VI

Date of Sampling 01.11.2017 01.11.2017 01.11.2017 1 Colour 5 14 2 $ 2 Order Acceptable Acceptable Acceptable Acceptable 3 Total Suspended Solids 73 42 76 100 4 pH 7.54 9.68 7.68 5.5 - 9.0 5 Temperature (oC)

22.4 22.5 21.4 Shall not exceed 5 oC

above the receiving temp. 6 Oil & Grease 3 8 4 10 7 Total Residual Chlorine BDL (<0.04 ) BDL (<0.04 ) BDL (<0.04 ) 1 8 Ammoniacal Nitrogen BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 50 9 Free Ammonia BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 5 10 BOD ( 3 days 27 oC) 13 9 19 30 11 COD 68 52 56 250 12 Hexavalent Chromium BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 0.1 13 Flourides 1.4 0.5 0.2 2 14 Dissolved Phosphate 0.19 0.27 0.44 5 15 Sulphide <0.10 <0.10 <0.10 2 16 Phenolics Compounds BDL (<0.001 ) BDL (<0.001 ) BDL (<0.001 ) 1 17 Iron 0.2354 0.2651 0.1432 3 18 Nitrate Nitrogen 2.3 5.5 4.1 10 19 Arsenic BDL (<0.001 ) BDL (<0.001 ) BDL (<0.001 ) 0.2 20 Lead BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 0.1 21 Total Chromium BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 2 22 Copper 0.0421 0.1248 0.0366 3 23 Zinc 0.0439 BDL(<0.02) BDL(<0.02) 5 24 Selenium BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 0.05 25 Nickel BDL (<0.02 ) BDL (<0.02 ) BDL (<0.02 ) 3 26 Manganese BDL (<0.01 ) BDL (<0.01 ) BDL (<0.01 ) 2 27 Total Kjeldahl Nitrogen 2.7 6.1 5.2 100 28 Mercury BDL (<0.001) BDL (<0.001) BDL (<0.001) 0.001


CMPDI

Annexure - II WATER QUALITY DATA

(Drinking Water)

Name of the Company: Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Q.E. : March, 2018. Name of the stations & Code :

1. NW6- Tap Water-DPS School 2. NW7- Hand Pump Temp Colony 3 NW11-Hand Pump Amjhar School

Sl. No.

Parameters

Sampling station & sampling date/time Tolerance Limit (As per IS-10500/2012 for Drinking water Standard)

NW6 (Tap Water – DPS

School )

NW7 (Hand Pump – Temp Colony )

NW11 (Hand Pump – Amjhar School)

01.02.2018 01.02.2018 01.02.2018 Requirement ( Acceptable

Limit)

Permissible Limit in the absence of Alternate Source

9:45 AM 9:10 AM 9:20 AM

1 Colour Hazen Unit. 7 3 4 5 15 2 Odour Unobjectionable Unobjectionable Unobjectionable Agreeable Agreeable 3 Taste Agreeable Agreeable Agreeable Agreeable Agreeable 4 Turbidity, NTU 2 1 0 1 5 5 pH Value 8.45 7.42 7.23 6.5 – 8.5 No relaxation 6 Total Hardness 76 276 384 200 600 7 Iron 0.056 0.028 0.04 0.3 No relaxation 8 Chlorides 10 26 162 250 1000

9 Residual Free Chlorine 0.02 0.2 1

10 Dissolved Solids 49 245 423 500 2000 11 Calcium 15 29 53 75 200 12 Sulphate 27 32 90 200 400 13 Nitrate 2.1 0.8 7.2 45 No relaxation 14 Fluoride 0.1 0.2 0.3 1.0 1.5 15 Phenolics BDL (<0.001) BDL (<0.001) BDL (<0.001) 0.001 0.002 16 Alkalinity 36 240 212 200 600 17 MPN NIL NIL NIL NIL No relaxation 18 Total Chromium BDL BDL BDL 0.05 No relaxation 19 Boron BDL (<0.01) BDL (<0.01) BDL (<0.01) 0.5 1.0 20 Copper BDL (<0.02) BDL (<0.02) BDL (<0.02) 0.05 1.5 21 Manganese BDL (<0.05) BDL (<0.05) BDL (<0.05) 0.1 0.3 22 Arsenic BDL (<0.01) BDL (<0.01) BDL (<0.01) 0.01 0.05 23 Selenium BDL (<0.01) BDL (<0.01) BDL (<0.01) 0.01 No relaxation 24 Lead BDL (<0.05) BDL (<0.05) BDL (<0.05) 0.01 No relaxation 25 Zinc 0.24 0.06 0.08 5 15 26 Mercury BDL (<0.001) BDL (<0.001) BDL (<0.001) 0.001 No relaxation

All values are expressed in mg/lit unless specified


CMPDI

WATER QUALITY DATA

(Surface Water)

Name of the Company : Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Q.E. : March, 2018

Name of the Stations & Code :

1. NW10- Water near OB dump at east Section

Sl. No.

Parameters

Sampling station & sampling date/time

IS : 2296 Inland Surface water (1982)

Class 'c' NW10- OB dump 01.02.2018

7:05PM 1 Colour , Hazen Unit. 10 300 (Max) 2 TSS 48 $ 2 Dissolved Oxygen 7.8 4 (Min) 3 PH 7.96 6.5 - 8.5 4 Iron 0.1 5 (Max) 5 Chlorides 20 600 (Max) 6 BOD(3days27oC) 2 3 (Max) 7 Total dissolved Solids 306 1500 (Max) 8 Copper 0.03 1.5 (Max) 9 Sulphates 148 400 (Max) 10 Nitrate 3.7 50 (Max) 11 Fluorides 0.1 1.5 (Max) 12 Selenium BDL (<0.01) 0.05 (Max) 13 Arsenic BDL (<0.01) 0.2 (Max) 14 Lead BDL (<0.01) 0.1 (Max) 15 Zinc 0.046 15 (Max) 16 Hexavalent Chromium BDL(<0.01) 0.05 (Max) 17 Phenolics Compounds BDL (<0.001) 0.05 (Max) 18 Mercury BDL (<0.001) 0.001(Max)

All values are expressed in mg/lit unless specified

$ - Limit not specified


CMPDI

Annexure – III NOISE LEVEL QUALITY MONITORING

Location of sampling sites and their rationale (Refer Plate No-.II)

i) Time Office (NN1)

The location is selected to assess the environmental noise quality of working area surrounded by workshop, mining face & substation.

. ii) Nigahi Colony (NN2)

The station is located in the Nigahi colony and will represent the ambient noise quality of the residential area of the Project.

iii) Nandgaon Rehabilitation Site (NN3)

The location will represent the ambient noise quality of the residential area of Nandgaon rehabilitation site.


Noise level measurements in form of 'LEQ' were taken using Integrated Averaging Sound Level Meter (CR: 812C) during day and night time. Noise levels were measured for about one hour time in day and night time. Noise levels were measured in Decibels, 'A' weighted average, i.e. dB (A).


CMPDI

Annexure – III

NOISE LEVEL DATA

Name of the Company : Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Month. : JANUARY.


1. NN1- Time Office 2. NN2- Nigahi Colony 3. NN3- Nandgaon Rehabilitation site

First Fortnight data

Sl. No.

Station

Name/Code

Category of

area

Measurement Details *Permissible

Limit of Noise level

in dB(A)

Date

Time +Day/ Night

Duration (In Hrs.)

Noise level dB(A) LEQ

1 Time Office NN1

Industrial area

04.01.2018 Day 11.10 to 12.10 53.8 75

13.01.2018 Night 01.35 to 02.35 46.8 70

2 Nigahi Colony

NN2

Residential Area

04.01.2018 Day 08.40 to 09.40 47.5 55

13.01.2018 Night 23.15 to 00.15 43.5 45

3 Nandgaon Rehab Site

AN3

Residential area

04.01.2018 Day 10.00 to 11.00 45.1 55

13.01.2018 Night 00.25 to 01.25 37.2 45

Second Fortnight data

Sl. No.

Station

Name/Code

Category of

area



in dB(A)

Date

Time +Day/ Night

Duration (In Hrs.)


1 Time Office NN1

Industrial area

29.01.2018 Day 11.05 to 12.05 58.6 75

19.01.2018 Night 02.35 to 03.35 52.8 70

2 Nigahi Colony

NN2

Residential area

29.01.2018 Day 08.30 to 09.30 43.5 55

19.01.2018 Night 01.20 to 02.20 41.3 45


NN3

Residential Area

29.01.2018 Day 09.45 to 10.45 40.8 55

19.01.2018 Night 00.05 to 01.05 37.5 45

+ Day Time: 6.00 AM to 10.00 PM, +Night Time: 10.00 PM to 6.00 AM. *Permissible limits of Noise Level as per MOEF&CC Gazette Notification No. GSR 742(E) dt. 25.09.2000 Standards for Coal Mines and Noise Pollution (Regulation and Control) Rules, 2000. Environmental Statement of Nigahi OCP Job no-6106081 Annexure, Page - 13

CMPDI

NOISE LEVEL DATA

Name of the Company : Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Month. : FEBRUARY.




Sl. No.

Station

Name/Code

Category of

area



in dB(A)

Date

Time +Day/ Night

Duration (In Hrs.)


1 Time Office NN1

Industrial area

06.02.2018 Day 10.30 to 11.30 64.5 75

09.02.2018 Night 00.25 to 01.25 65.2 70

2 Nigahi Colony

NN2

Residential Area

06.02.2018 Day 08.15 to 09.15 46.1 55

09.02.2018 Night 01.40 to 02.40 42.5 45


AN3

Residential area

06.02.2018 Day 09.20 to 10.20 45.4 55

09.02.2018 Night 23.15 to 00.15 45.3 45

Second Fortnight data

Sl. No.

Station

Name/Code

Category of

area



in dB(A)

Date

Time +Day/ Night

Duration (In Hrs.)


1 Time Office NN1

Industrial area

20.02.2018 Day 09.50 to 10.50 57.5 75

27.02.2018 Night 01.40 to 02.40 54.2 70

2 Nigahi Colony

NN2

Residential area

20.02.2018 Day 08.30 to 09.30 46.2 55

27.02.2018 Night 23.10 to 00.10 42.3 45


NN3

Residential Area

20.02.2018 Day 11.00 to 12.00 43.5 55

27.02.2018 Night 00.25 to 01.25 38.6 45

+ Day Time: 6.00 AM to 10.00 PM, +Night Time: 10.00 PM to 6.00 AM. *Permissible limits of Noise Level as per MOEF&CC Gazette Notification No. GSR 742(E) dt. 25.09.2000 Standards for Coal Mines and Noise Pollution (Regulation and Control) Rules, 2000.


CMPDI

NOISE LEVEL DATA

Name of the Company : Northern Coalfield Limited Year : 2017-18. Name of the Project : Nigahi Opencast Project Month. : MARCH.




Sl. No.

Station

Name/ Code

Category of

area

Measurement Details *Permissible Limit of Noise

level in dB(A)

Date

Time +Day/ Night

Duration (In Hrs.)


1 Time Office NN1

Industrial area

06.03.2018 Day 10.50 to 11.50 69.2 75

10.03.2018 Night 00.25 to 01.25 48.7 70 2 Nigahi

Colony NN2

Residential Area

06.03.2018 Day 08.25 to 09.25 52.6 55

10.03.2018 Night 01.40 to 02.40 38.2 45 3 Nandgaon

Rehab Site AN3

Residential area

06.03.2018 Day 09.30 to 10.30 51.3 55

10.03.2018 Night 23.20 to 00.20 35.6 45 Second Fortnight data

Sl. No.

Station

Name/ Code

Category of

area

Measurement Details *Permissible Limit of Noise

level in dB(A)

Date

Time +Day/ Night

Duration (In Hrs.)


1 Time Office NN1

Industrial area

29.03.2018 Day 11.00 to 12.00 62.5 75

31.03.2018 Night 23.20 to 00.20 43.8 70 2 Nigahi

Colony NN2

Residential Area

29.03.2018 Day 08.40 to 09.40 48.7 55

31.03.2018 Night 00.35 to 01.35 39.2 45 3 Nandgaon

Rehab Site AN3

Residential area

29.03.2018 Day 09.50 to 10.50 47.6 55

31.03.2018 Night 01.40 to 02.40 36.5 45 + Day Time: 6.00 AM to 10.00 PM, +Night Time: 10.00 PM to 6.00 AM.

*Permissible limits of Noise Level as per MOEF&CC Gazette Notification No. GSR 742(E) dt. 25.09.2000 Standards for Coal Mines and Noise Pollution (Regulation and Control) Rules, 2000.


BOUNDARY FAULTATPS

GORBI‐B

Co. Hd.Qr.

Singrauli

SSTPS

VSTPS

RPCO

RhTPS

GOVIND

VALLABH

PANT

SAGAR

POWER CORRIDOR

Completed projects

Ongoing projects

Exhausted mines

Exploration completed

Partly explored

JAYANT10MT

KHADIA4 MT

KAKRI4 MT

NIGAHI18.75 MT

GORBI

BLOCK B5.47 MT

MOHER

RUHELA

JHINGURDHA5 MT

Co. Hd.Qr.

Singrauli

MP UP

BIJUL >300M Depthunexplored

>300M Depthunexplored

EAST

NORTH

AMLOHRI14 MT

BINAEXT.

Expansion projects under approval

JAYANT15.5 MT

KHADIA14 MT

MORWA

MEHRAULIWEST

Private Blocks

PLATE‐ I

Nigahi OCP

BINA7.5 MT

Air Monitoring Stations in Buffer Zone

DA5AA4

JYA4

JYA3


NA5

NA1

NA4

NA3

NA2NW3

NW4

NW1

NW2

NW8

NW5

NW6

NW7

NN1

NN2

NW9

NN3 PLATE- II

Air

Water

Noise NW11


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