New Source Review NSR Reforms Oklahoma Department of Environmental Quality Air Quality Council...
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Transcript of New Source Review NSR Reforms Oklahoma Department of Environmental Quality Air Quality Council...
![Page 1: New Source Review NSR Reforms Oklahoma Department of Environmental Quality Air Quality Council Presented by Matt Paque, Attorney, ODEQ - AQD April 20,](https://reader036.fdocuments.net/reader036/viewer/2022082917/551570e955034685568b60ff/html5/thumbnails/1.jpg)
New Source Review
NSR Reforms
Oklahoma Department of Environmental Quality
Air Quality CouncilPresented by Matt Paque, Attorney, ODEQ - AQD
April 20, 2005
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Federal New Source Review (NSR) Program
Established by the 1977 Clean Air Act AmendmentsTo ensure that new major stationary sources and major modifications– Install state-of-the-art pollution controls– Assess air quality impacts– Protect against violations of health-based air quality
standards
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New Sources
A new source with a Potential to Emit (PTE) at or above the applicable threshold amount “triggers,” or is subject to NSR.
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“Major Modification”
“Any physical change in, or change in the method of operation of a [existing] stationary source which increases the amount of any air pollutant emitted by such source or which results in the emission of any air pollutant not previously emitted.”
Exclusions:– Routine maintenance, repair and replacement.– Changes that do not result in a significant emissions increasesignificant emissions increase.
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“Major Modification”
A project is a major modification for a regulated NSR pollutant if it causes:
(1) A significant emissions increase at the project;
(2) A significant net emissions increase at the source.
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Final Rules (67 FR 80186) Revision to Major Modification determination
Baseline Actual Emissions
Actual-to-Projected Actual Applicability Test
Plantwide Applicability Limitations (PALs)
Clean Units
Pollution Control Project (PCP)
NSR Reform RulesPublished December 31, 2002
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OAC Chapter 100
ODEQ/AQD is working to propose changes to the Oklahoma Air Pollution Control Rules that will incorporate the NSR Reforms as well as earlier EPA NSR rulemakings.
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Revision to Major Modification Determination
Two changes to existing NSR regulations that will affect how to calculate emissions increases to determine whether projects trigger NSR requirements:
– ““Baseline Actual EmissionsBaseline Actual Emissions”” changes the method for determining the source’s baseline emissions prior to a project.
– ““Actual-to-Projected Actual Applicability Test”Actual-to-Projected Actual Applicability Test” changes the method for estimating the emissions after the project.
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Baseline actual emissions are based on any consecutive two-year period within the 5 years immediately preceding the project.
Use same 24-month period for all emissions units involved in project and same 24-month period for each pollutant.
Baseline Actual Emissions
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Baseline Actual Emissions
Used to calculate emissions increases for:
– Modifications, to determine a modified unit’s pre-change baseline actual emissions as part of the new actual-to-projected actual applicability test.
– For netting, to determine the pre-change baseline actual emissions of an emissions unit that underwent a physical or operational change within the contemporaneous period.
– Also used to establish a PAL emissions cap.
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Actual-to-Projected Actual Calculation
Source must make a projection of post-change annual emissions that are expected to result from the project.Source must project changed unit’s maximum actual annual emissions rate that will occur during any one of the 5 years after the change,OR10-year period after the change (if the change involves an increase in the emissions unit’s PTE or capacity).
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Projected Actual Emissions
Compares pre-change actual emissions to post-change “projected actual” emissions.Avoids major NSR as long as difference in emissions is not significant.Apply to changes at any existing emissions unit (includes replacement and reconstructed units).
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Plant-wide Applicability Limits (PALs)
• Plant-wide applicable limits (“PALs”) allow source owners to make changes to their facilities without obtaining a major NSR permit.
• Once a PAL is established, plant may make any change without undergoing major NSR provided the emissions do not increase above the PAL “actual emissions” level (known as “actuals PALs”).
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Clean Unit CertificationA source that underwent a post-1990 BACT/LAER review (or equivalent at time of installation) may be exempt from the standard NSR applicability test for certain future changes; even if emissions do increase, “no emissions increase will be deemed to occur.”
Available for up to 10 years after applying emissions controls, with a 10-year renewal possible.
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Pollution Control Project (PCP) Exclusion
• Designed to encourage projects at existing major sources that will result in a net overall reduction of air pollutants, even if there will be a significant increase of a collateral pollutant.
• Old “primary purpose” test eliminated.
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PCP Exclusion, cont’dWhat Qualifies for the Exclusion?
• A project must pass two tests to qualify for the exclusion:– Environmentally Beneficial Test (shows benefits
outweigh emissions increase).
– Air Quality Test (project cannot result in an emissions increase that will cause a violation of a NAAQS or PSD increment or result in an adverse impact on Class I areas).
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Revisions to 252:100 Subchapter 8, Part 7
First proposal: July 20, 2005July 20, 2005 - Air Quality Council meeting.
Revisions to Oklahoma Air Pollution Control Rules should be adopted by AQC and submitted to EPA by January 6, 2006.