PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on...
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Transcript of PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on...
![Page 1: PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on Environmental Quality Advanced Air Permitting Seminar 2014.](https://reader035.fdocuments.in/reader035/viewer/2022070308/551c2602550346ad4f8b5db9/html5/thumbnails/1.jpg)
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PSD/NNSR Applicability Examples
Matt Earnest, Ph.D.
Air Permits Division
Texas Commission on Environmental Quality
Advanced Air Permitting Seminar 2014
![Page 2: PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on Environmental Quality Advanced Air Permitting Seminar 2014.](https://reader035.fdocuments.in/reader035/viewer/2022070308/551c2602550346ad4f8b5db9/html5/thumbnails/2.jpg)
Applicability Flow Chart
Go though flowchart, pollutant by pollutant.1-is source in nonattainment area for the pollutants?2-is the source an existing major source? (major for one, major for all)3-increases only, no decreases at this step. Ensure the change is a modification.4- a major mod occurs when increases > significant emission rates5- are the project increases > than major source thresholds?6- include all increases and creditable decreases in contemporaneous window.
![Page 3: PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on Environmental Quality Advanced Air Permitting Seminar 2014.](https://reader035.fdocuments.in/reader035/viewer/2022070308/551c2602550346ad4f8b5db9/html5/thumbnails/3.jpg)
Does PSD/NNSR Apply?
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Major Source Thresholds
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PSD CriteriaNamed 100 tpyUn-named 250 tpy
Ozone NNSRMarginal 100 tpy Moderate 100 tpy Wise Co.Serious 50 tpy DFWSevere 25 tpy HGBExtreme 10 tpy
PM10 NNSRMarginal 100 tpyModerate 100 tpyEl Paso Co.Serious 70 tpy
≥
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Example: New Major Source(Type 1)
Will the following “unnamed” source, proposed to be built in a severe ozone nonattainment area (HGB), be major for NNSR and/or PSD? If so, for which pollutants?
Pollutant NOX CO PM10
Source PTE (tpy) 91 315 52
NNSR: Yes, major source because NOX≥25 tpy
PSD: Yes, major source for all pollutants because CO≥250 tpy
![Page 6: PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on Environmental Quality Advanced Air Permitting Seminar 2014.](https://reader035.fdocuments.in/reader035/viewer/2022070308/551c2602550346ad4f8b5db9/html5/thumbnails/6.jpg)
Project Increase at Major Source (Type 2)
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Is Project Increase ≥ PSD Significant Emission Rate?
Project Increase = Planned Emissions - Baseline Actual
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Example: Base Line (Type 2)
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Year EPN A EPN B EPN C EPN D(tpy) (tpy) (tpy) (tpy)
2004 50 20 19 02005 52 20 23 02006 60 21 22 02007 61 22 23 02008 61 21 23 02009 61 21 20 02010 59 19 22 02011 60 18 22 02012 60 16 23 02013 60 17 20 0
BAE 61 21.5 23 50
A site is considering a throughput increase in 2014. What is the baseline actual emission rate, given EPN D was built in 2013 with an allowable of 50 tpy?
• Right example-correct way to calculate BAE by using emissions from all EPNs from years 2007 and 2008
• Must be same time period for all facilities for common pollutant.
• Adjust baseline if:• < 24-month operation• Compliance issues
![Page 8: PSD/NNSR Applicability Examples Matt Earnest, Ph.D. Air Permits Division Texas Commission on Environmental Quality Advanced Air Permitting Seminar 2014.](https://reader035.fdocuments.in/reader035/viewer/2022070308/551c2602550346ad4f8b5db9/html5/thumbnails/8.jpg)
Planned Emissions
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EPN A is operating far below it’s PTE. What are the project increases given the following?
EPN A Baseline Actual Emissions (BAE) = 61 tpyEPN A Potential to Emit (PTE) = 201 tpyEPN A Projected Actual after project (PAE) = 72 tpy
Project increase:Based on Projected Actual: PAE – BAE = 72 – 61 = 11 tpy Based on Potential to Emit: PTE – BAE = 201 – 61 = 140 tpy
Use of Projected Actuals may require additional record keeping.
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Table 2FPollutant: NOx Permit: 000000
Baseline Period: 2007 to 2008
A B
Affected or Modified Facilities
FIN EPN Permit No. Actual Emissions Baseline
Emissions Proposed Emissions
Projected Actual
Emissions
Difference (B-A)
Correction Project Increase
1. Unit A A 000001 61 61 201 72 11 11
2. Unit B B 000000 21.5 21.5 35.5 14 14
3. Unit C C 000000 23 23 29 6 6
4 Unit D D 000000 0 50 61 11 11
5.
6.
7.
8.
9.
Page Subtotal 42
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Contemporaneous Window
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Example: Netting (Type 3)
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A company is considering a major project at EPN B that requires netting. The source has been affected by the following unrelated projects within the last five years. What is the contemporaneous change?
PA
ST
2010: PTE = 15 tpy Proposed PTE = 25 tpy Baseline Actuals = 15 tpy Project Change: 25 - 15 = 10 tpy
2011: PTE = 25 tpy Proposed PTE = 25 tpy Baseline Actuals = 15 tpy Project Change: 25 - 15 = 10 tpy
2011: PTE = 25 tpy Proposed PTE = 25 tpy Baseline Actuals = 15 tpy Project Change: 25 - 15 = 10 tpy
CU
RR
EN
T 2014: PTE = 20 tpy Proposed PTE = 30 tpy Baseline Actuals = 15 tpy Project Change: 30 - 15 = 15 tpy
Net: 15 + 10 + 10 + 10 = 45 tpy
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3F: Contemporaneous ChangeCompany: Sample
Permit Application Number: 000000 Criteria Pollutant: NOx
A B
Project Date Facility at Which Emission Change
Occurred FIN EPN
Permit No. Project Name or Activity
Baseline Period (years)
Proposed Emissions (tons/year)
Baseline Emissions (tons/year)
Difference (A-B)
Creditable Decrease or
Increase
1. 2010 Unit B Unit B 000000 (Proj # xyz123) 2006-2007 25 15 10 10
2. 2011 Unit B Unit B 000000 (Proj # 123xyz) 2006-2007 25 15 10 10
3. 2011 Unit B Unit B 000000 (Proj # 1x2y3z) 2006-2007 25 15 10 10
4. 2014 Unit B Unit B 000000 (Proj # 321zyx) 2006-2007 30 15 15 15
5.
6.
7.
8.
9.
10.
Page Subtotal 45 45
Summary of Contemporaneous Changes Total 45 45
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Contemporaneous Window
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Example: End Points (Type 3)
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A company is considering a major project at EPN B that requires netting. The source has been affected by the following unrelated projects within the last five years. What is the contemporaneous change?
2010: PTE = 15 tpy Proposed PTE = 25 tpy Baseline Actuals = 15 tpy Project Change: 25 - 15 = 10 tpy
2011: PTE = 25 tpy Proposed PTE = 25 tpy Baseline Actuals = 15 tpyProject Change: 25 - 15 = 10 tpy
2011: PTE = 25 tpy Proposed PTE = 25 tpy Baseline Actuals = 15 tpyProject Change: 25 - 15 = 10 tpy
2014: PTE = 20 tpy Proposed PTE = 30 tpy Baseline Actuals = 15 tpy Project Change: 30 - 15 = 15 tpy
Net: 15 + 10 + 10 + 10 = 45 tpy No...Year
2011 is not considered in the calculation to determine the contemporaneous change; 45 tons/year is not the correct answer
2010: Baseline Actuals = 15 tpy, 2011, 2011, 2014: Proposed PTE = 30 tpy, Net: 30 – 15
= 15 tpy
Baseline Actuals = 15 tpy
2011:
2011:
2014:
Proposed PTE = 30 tpy
Net: 30 - 15 = 15 tpy
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3F: Contemporaneous Change
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Company: Sample
Permit Application Number: 000000 Criteria Pollutant: NOx
A B
Project Date Facility at Which Emission Change
Occurred FIN EPN
Permit No. Project Name or Activity
Baseline Period (years)
Proposed Emissions (tons/year)
Baseline Emissions (tons/year)
Difference (A-B)
Creditable Decrease or
Increase
1. 2010 Unit B Unit B* 000000 (Proj # xyz123) 2006-2007 25 15 10 10
2. 2011 Unit B Unit B* 000000 (Proj # 123xyz) 2006-2007 25 25 0 0
3. 2011 Unit B Unit B* 000000 (Proj # 1x2y3z) 2006-2007 25 25 0 0
4. 2014 Unit B Unit B* 000000 (Proj # 321zyx) 2006-2007 30 25 5 5
5.
6.
7.
8.
9.
10.
Page Subtotal 15 15
Summary of Contemporaneous Changes Total 15 15
* Endpoints netting has been applied
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Items to Double Check
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• Project aggregation • Site definition • Inclusion of fugitives• Differences with power generation• Demand growth exclusion• Retrospective reviews
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Thank you
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For more information:
See Guidance:APDG 5881, Major New Source Review - Applicability Determination
(March 2013)
APDG 6241v1, Fact Sheet – PSD and Nonattainment (Revised 07/14)
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Contacts
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Matt Earnest (512) 239-2618Johnny Vermillion (512) 239-1292
Air Permits Division (512) 239-1250
Air Permits Division
Matt Earnest
(512) 239-2618
Air Permits Division
Johnny Vermillion
(512) 239-1292
Main Line
(512) 239-1250
Air Permits Division