§ 127.210. Offset ratios.
(a) The emissions offset ratios for NSR purposes and ERC transactions subject to the requirements of this subchapter must be in an amount equal to or greater than the ratios specified in the following table:
Required Emission Offsets For Existing Sources, Expressed in Tons per Year
Pollutant/Area Flue Emissions Fugitive Emissions PM-10 and SOx 1.3:1 5:1 Volatile Organic Compounds Ozone Classification Areas Severe Areas 1.3:1 1.3:1 Serious Areas 1.2:1 1.3:1 Moderate Areas 1.15:1 1.3:1 Marginal/Incomplete Data Areas 1.15:1 1.3:1 Transport Region 1.15:1 1.3:1 NOx Ozone Classification Areas Severe Areas 1.3:1 1.3:1 Serious Areas 1.2:1 1.2:1 Moderate Areas 1.15:1 1.15:1 Marginal/Incomplete Data Areas 1.15:1 1.15:1 Transport Region 1.15:1 1.15:1 Carbon Monoxide Primary Nonattainment Areas 1.1:1 1.1:1 Lead 1.1:1 1.1:1 PM2.5 PM2.5 Nonattainment Area PM2.5 1:1 1:1 PM2.5 Precursors SO2 1:1 1:1 NOx 1:1 1:1 VOCs 1:1 1:1 Ammonia 1:1 1:1 (b) In complying with the emissions offset requirements of this subchapter, the emission offsets obtained shall be of the same NSR regulated pollutant unless interpollutant offsetting is authorized for a particular pollutant in accordance with subsection (c).
(c) The Department may, based on a technical assessment, establish interpollutant trading ratios for offsetting PM2.5 emissions or PM2.5 precursor emissions in a specific nonattainment area or geographic area in this Commonwealth. The interpollutant trading ratios shall be subject to public review and comment for at least 30 days prior to submission to the EPA for approval as a SIP revision.
(d) If the EPA promulgates PM2.5 interpollutant trading ratios in 40 CFR Part 51 (relating to requirements for preparation, adoption, and submittal of implementation plans), the ratios will be adopted and incorporated by reference.
Authority The provisions of this § 127.210 amended under section 5(a)(1) and (8) of the Air Pollution Control Act (35 P.S. § 4005(a)(1) and (8)).
Source The provisions of this § 127.210 amended May 18, 2007, effective May 19, 2007, 37 Pa.B. 2365; amended September 2, 2011, effective September 3, 2011, 41 Pa.B. 4761; amended December 20, 2019, effective December 21, 2019, 49 Pa.B. 7404. Immediately preceding text appears at serial pages (358275) to (358276).
Cross References This section cited in 25 Pa. Code § 127.201 (relating to general requirements); 25 Pa. Code § 127.205 (relating to special permit requirements); 25 Pa. Code § 127.206 (relating to ERC general requirements); 25 Pa. Code § 127.208 (relating to ERC use and transfer requirements); and 25 Pa. Code § 127.211 (relating to applicability determination).
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