Prevention of Significant Deterioration (PSD)/Nonattainment ...

Prevention of Significant Deterioration (PSD)/Nonattainment ...

PSD / NA REVIEW / NETTING Laura Gibson, P.E. Air Permits Division Texas Commission on Environmental Quality Environmental Trade Fair 2018 Pollutant Yes Federal Modification? Determine Site PTE & Project Increase Major Site? Yes No No Federal NSR No What Triggers Federal Project Increase Significant? No Major

Project? No Yes Federal NSR No Federal NSR Yes Yes Determine Net Emission Increase Significant Net Emission Increase? No PSD Attainment or Undetermined Areas Named sources 100 tpy (including fugitives) Unnamed sources 250 tpy (fugitives not included) Major for One, Major for All BACT (may use EPA Top-Down, prefer TCEQ Tier I-III) (additional information can be found in the speaker notes)

Nonattainment Only for particular pollutants in nonattainment areas Ozone Moderate Area 100 tpy Major Source LAER Offsets for ozone Moderate: 1.15 to 1 Serious: 1.2 to 1 Severe: 1.3 to 1 (additional information can be found in the speaker notes) Dallas/Fort Worth: Collin, Dallas, Denton, Ellis, Johnson, Kaufman, Parker, Rockwall, Tarrant, and Wise Counties Portion of Titus County City of El Paso Portion of Rusk County Portion of Panola County Portion of Anderson County Current Nonattainment Areas in Texas Portion of Freestone County Houston/Galveston/Brazoria: Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery, and Waller Counties

DC Circuit Ct Decision 2/16/18 Regarding implementation of 2008 NAAQS for Ozone Decision upheld Implementation in part and vacated in part Court still has to issue Mandate TCEQ is monitoring litigation (additional information can be found in the speaker notes) PSD NA: Similarities PTE, Baseline Actual Emissions, Project Increases Netting Window and Calculations Notice to EPA / Opportunity to Comment Review of RBLC Expanded Review Includes Modeling Protocol, Preliminary Determination Summary (additional information can be found in the speaker notes) Power Plant Example Attainment county > 25 MWe Greenfield site Major for PSD? Air Contaminant AKA Major Modification Threshold AKA PSD SER YES PTE (tpy)

PSD Trigger (tpy) PSD Review? NOX 650 40 Yes CO 2000 100 Yes VOC 275 40 Yes PM/PM10/PM2.5 200 25/15/10 Yes SO2

190 40 Yes H2SO4 85 7 Yes 5,000,000 75,000 Yes CO2 Modifications Physical Change Change in Method of Operation Causes Significant Increase Need Not Be Physically Touched (additional information can be found in the speaker notes) Federal Modification? New Facility/New Emission Source New boiler

New tank Debottlenecking Federal Modification? Increase Efficiency As-Built Amendment It depends! Increased feedstock Increased hours of operation Optimize kiln performance Change method of control Cement Kiln Example As-built amendment Commissioning and testing of new kiln Corrective actions under Texas Audit Privilege Act Change in method of operation Significant increase? Check project increases Pollutant

Yes Federal Modification? Determine Site PTE & Project Increase Major Site? Yes No No Federal NSR No Federal NSR Applicability Project Increase Significant? No Major Project? No Yes Federal NSR No Federal NSR

Yes Yes Determine Net Emission Increase Significant Net Emission Increase? No Proposed Site PTE Includes all new, modified, and affected facilities Upstream and downstream effects Baseline Actual Emissions Emissions, in tons/year, actually emitted during a consecutive 24-month period out of the previous 10 years (previous 5 years for electric utilities) from the date the project is authorized or modifications are operated. All sources of single pollutant have same 24-month period. Different pollutants may have a different 24-month period. Pruitt Project Emissions Accounting Memo (3/13/18) Project Decreases may be considered at Step 1 of review

Project Decreases may be considered at Step 1 of on review. TCEQ staff still reviewing effects TCEQ staff still reviewing effects on permitting. Even if Federal Review isnt triggered, Baseline Actual permitting Emissions must be considered per Texas Clean Air Act. Airshed may still experience actual increase. (additional information can be found in the speaker notes) Even if Federal Review isnt triggered, Baseline Actual Emissions must be considered per Texas Clean Air Act Airshed may still experience an actual increase in emissions from NOX PM10 COBAE Example 918.9294 TCEQ 1411.0183 EI 262.8479 1063.2287 1398.7104 275.608 PM2.5 97.2272 47.952 SO2 63.9111 45.5635

Pollutant 24-month period BAE (TPY) CO 2014-15 991.08 NOX 2014-15 1404.86 PM10 2013-14 269.23 PM2.5 2015-16 72.59 SO2 2013-14 54.74 VOC

2014-15 83.22 VOC 76.2585 90.1882 Project Emissions Increase PEI = PTE - BAE Increases only Allowables to Allowables ONLY if: Baseline current PTE, or New facility within 24 months of initial startup Pollutant Yes Federal Modification? Determine Site PTE & Project Increase Major Site? Yes No No Federal NSR No

Federal NSR Applicability Project Increase Significant? No Major Project? No Yes Federal NSR No Federal NSR Yes Yes Determine Net Emission Increase Significant Net Emission Increase? No Major Site?

Any Regulated Pollutant Named Sources: 100 tpy Unnamed Sources: 250 tpy PSD Major Source Only in NA Area Only for NA Pollutant Moderate NA Area for Ozone: 100 tpy NOx or VOC Moderate NA Area for PM10: 100 tpy NA Area for SO2: 100 tpy NA Major Source Pollutant Yes Federal Modification? Determine Site PTE & Project Increase Major Site?

Yes No No Federal NSR No Federal NSR Applicability Project Increase Significant? No Major Project? No Yes Federal NSR No Federal NSR Yes Yes Determine Net Emission Increase Significant Net Emission

Increase? No Major Projects New Major Source Major Modification of Existing Major Source At Significant Emission Rate for Federal Review Requires modeling protocol to be approved by ADMT prior to completing AQA (additional information can be found in the speaker notes) PSD Significant Emission Rates Once PSD triggered by ANY pollutant, all pollutants may be subject to PSD review! Pollutant PSD SER (tpy)* NOx 40 CO 100 SO2 40 VOC 40

PM 25 PM10 15 PM2.5 10 Pb 0.6 Fluorides 3 H2SO4 7 H2S 10 TRS 10 GHG** 75,000 * Trigger for netting and review ** Only if PSD is triggered by another pollutant first

Natural Gas Plant Example Existing major source New flare emissions Changing flare only Permit PTE (tpy) Permit BAE (tpy) Modified Facility PTE (tpy) NOx 135 ? 3.6 CO 131 ? 9.1 VOC

51 ? 4.7 PM/PM10/PM2.5 6.2 ? 0 SO2 276 ? 5.2 Air Contaminant PSD SER (tpy) PSD Review? 40 No 100 No

40 No 25/15/10 No 40 No NA Significant Emission Rates Area Pollutant Current Designation Current NA Netting Trigger Current NA SER Prior Designation Prior NA Netting Trigger Prior NA

SER HGB Ozone as NOX or VOC Moderate 40 40 Severe 5 25 DFW Ozone as NOX or VOC Moderate 40 40 Serious 5 25 El Paso

PM10 Moderate 15 15 Anderson County, et al SO2 Nonattainment 40 40 Power Plant NA Example Moderate NA area for ozone Existing major source Proposed new EGU, 2 combined cycle gas-fired turbines, and supporting equipment Project PTE* (tpy) Net Increase* (tpy)

NA SER NA Review? Offsets (tpy) VOC 113 113 40 Yes 130 NOX 194 194 40 Yes 223 Air Contaminant * New construction, not modifying existing sources. Assumed BAE of zero. Power Plant PSD Example Existing named major source Proposed new EGU, 2 combined

cycle gas-fired turbines, and supporting equipment Project PTE* (tpy) PSD SER NO2 194 40 Yes CO 266 40 Yes VOC N/A** N/A N/A PM/PM10/PM2.5 >125

25/15/10 Yes SO2 72 40 Yes H2SO4 33 7 Yes GHGs 3,000,000 75,000 Yes Air Contaminant Netting? * New construction, not modifying existing sources. Assumed BAE of zero. ** PSD review not applicable for VOCs in

NA area. Pollutant Yes Federal Modification? Determine Site PTE & Project Increase Major Site? Yes No No Federal NSR No Federal NSR Applicability Project Increase Significant? No Major Project? No Yes Federal

NSR No Federal NSR Yes Yes Determine Net Emission Increase Significant Net Emission Increase? No Netting Ensures smaller projects do not add up to be a major modification Applies to existing major IF Project Emissions Increase SER sources only.. Per pollutant Emission changes within contemporaneous period (additional information can be found in the speaker notes) Contemporaneous Period Start of Cont. Period 2013 5 years prior to SOC

Application Received 2017 End of Cont. Period 2018 2020 Start of Construction Start of Operation Creditable Increases and Decreases: PTE BAE During Contemporaneous Period Increases Not Previously Relied Upon Confirmed by Emissions Inventory Include Planned Projects Prior to SOO Decreases Not Required to Meet Permit / SIP During Contemporaneous Period

Must Be Enforceable Must Be Real Must Occur Prior to SOO Project Contemporaneous Changes All Increases and Decreases, Including Current Project Include EPNs, Project and Permit Nos. Creditable Decreases Dont forget Table 4F for each Decrease! Statements verify that claimed decreases are Creditable Contemporaneous and BAE Period 2008 2004 Contemporaneous Period SOC Current Project 24-month BAE 10-year Current Proj. BAE period 10-year Prior Proj. BAE period 2020 2018

Prior Project 24-month BAE 2017 2013 Prior Project Application Received SOO Net Emissions Increase NEI = Contemp. Increases (including current project) - Contemporaneous Decreases NEI Major Modification Threshold? Major NSR is triggered! Adding 2nd kiln and equipment Cement Kiln PSD Netting Existing named major source

Example Ozone attainment county Air Contaminant Project Increase PSD Netting Trigger Netting Triggered? NEI PSD SER PSD Review Triggered? 35.4 40 No NOX 963 40 Yes 1071 100

Yes CO 1071 100 Yes 51.4 40 Yes VOC 51.4 40 Yes 295 25 Yes PM 293 25 Yes

234 15 Yes PM10 233 15 Yes 74 10 Yes PM2.5 74 10 Yes N/A 40 No SO2 37.6

40 No N/A 7 No H2SO4 1.74 7 No N/A 0.6 No Pb 0.02 0.6 No N/A 75,000 Yes

1,223,000 N/A N/A GHGs Fuel Oil Terminal NA Example Crude oil throughput increase, new ship dock, new tanks Aggregated projects begun while county was Severe NA area for ozone Existing major source for VOCs Project Increase* NA Netting Trigger VOC 56 5 NOX 12

5 Air Contaminant Severe * New construction, not modifying existing sources. Assumed BAE of zero, new facilities. Fuel Oil Terminal NA Example Netting Example Fuel Oil Terminal NA Example Crude oil throughput increase, new ship dock, new tanks Aggregated projects begun while county was Severe NA area for ozone Existing major source for VOCs Severe Air Contaminant Project Increase* NA Netting Trigger Net Emissions Increase* NA SER

NA Review? 1.3:1 Offsets VOC 56 5 56.3 25 Yes 73.2 NOX 12 5 19.5 25 No -- * New construction, not modifying existing sources. Assumed BAE of zero, new facilities. Fuel Oil Terminal PSD Example Existing named major source

Crude oil throughput increase, new ship dock, new tanks Air Contaminant Project Increase* NO2 12 CO 14 VOC** 56 PM/PM10/PM2.5 9.4 SO2 0.3 PSD Trigger / SER Netting or PSD Review?

40 No 100 No N/A N/A 25/15/10 No 40 No * New construction; assumed BAE of zero. ** PSD review not applicable for VOCs in NA area. NA Offsets Area Pollutant Current Designation Required Offsets Prior Designation

Required Offsets HGB Ozone as NOx or VOC Moderate 1.15:1 Severe 1.3:1 DFW Ozone as NOX or VOC Moderate 1.15:1 Serious 1.2:1 El Paso PM10 Moderate 1:1

Anderson County, et al SO2 Nonattainment 1:1 Contacts Laura Gibson, P.E. 512-239-2175 [email protected] Chase Perry 512-239-1347 [email protected]

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