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Title V/PSD GHG Tailoring Rule Scenarios <br />Step I (Permits issued between January 2, 2011- June 30, 2011) <br />Note: During this time, no sources would be subject to any Clean Air Act permitting <br />requirements due solely to GHG emissions. <br />PSD refers to the Prevention of Significant Deterioration program. <br />BACT refers to Best Available Control Technology. <br />PTE refers to the Potential to Emit as defined in Regulation No. 3, Part A, § I.B.37. <br />Existing Facility undergoing a Modification <br />Scenario #1* <br />- Current PSD/Title V facility (existing Major Stationary Source) based on non-GHG <br />emissions; and <br />- Undergoing a PSD major modification (i.e. there is a significant net emissions increase) <br />for a PSD pollutant other than GHG AND the project has GHG significant net emissions <br />increase of 75,000 tpy or more of total GHG, on a C02e basis and >0 tpy net GHG mass <br />emissions increase (not C02e). <br />Note: Your GHG PTE does not have to be over 100K tpy since under PSD if you are major for <br />one PSD pollutant you are subject to the significance level for all pollutants. <br />Permit Action <br />In addition to the criteria pollutant permit action the source will either be subject to GHG BACT <br />or will need to get a GHG synthetic minor permit limit to avoid PSD review for GHG if the <br />permit was not issued prior to January 2, 2011. <br />Scenario #2* <br />- Existing minor facility. <br />- Undergoing a modification which is Major by itself based on non-GHG emissions (i.e. <br />emissions >250 tpy, or >100 tpy for listed sources); and <br />- The project has GHG significant net emissions increase of 75,000 tpy or more of total <br />GHG, on a C02e basis and >0 tpy net GHG mass emissions increase (not C02e). <br />Note: Your GHG PTE does not have to be over 100,000 tpy since under PSD if you are major for <br />one PSD pollutant you are subject to the significance level for all pollutants.