United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2007_register executive 2010-09-22 article Part II Proposed Rules D09002ee1c80ae85b D09002ee1c80ae96d United States Environmental Protection Agency originator org United States Government Agency or Subagency Under the requirements of the Clean Air Act (Act), the New Source Review (NSR) program includes Prevention of Significant Deterioration (PSD) measures, which protect air quality in areas that currently have clean air. For some pollutants, the PSD program protects clean air through a system of "increments." These increments specify the maximum extent to which the ambient concentration of these pollutants may be allowed to increase above the legally defined baseline concentration in an area with clean air. In this rulemaking, we propose to refine several aspects of the method that may be used to calculate an increase in concentration for increment purposes. These refinements are intended to clarify how States and regulated sources may calculate increases in concentrations for the purposes of determining compliance with the PSD increments. 72 FR 31372 https://www.govinfo.gov/app/details/FR-2007-06-06/E7-10459 E7-10459 fr06jn07-30 RIN 2060-AO02 6560-50-P EPA-HQ-OAR-2006-0888 FRL-8320-7 https://www.govinfo.gov/app/details/FR-2007-06-06/E7-10459 https://www.govinfo.gov/content/pkg/FR-2007-06-06/html/E7-10459.htm https://www.govinfo.gov/content/pkg/FR-2007-06-06/pdf/E7-10459.pdf Environmental Protection Administrative Practice and Procedures Air Pollution Control Intergovernmental Relations 28 p. 31372 31399 72 FR 31372 Title 40 Part 51 40 CFR Part 51 Title 40 Part 52 40 CFR Part 52 RIN 2060-AO02 Prevention of Significant Deterioration New Source Review: Refinement of Increment Modeling Procedures; Federal Register Vol. 72, Issue PRORULE E7-10459 II ENVIRONMENTAL PROTECTION AGENCY 2007-08-06 EPA-HQ-OAR-2006-0888 FRL-8320-7 6560-50-P E7-10459 Proposed rule.

Under the requirements of the Clean Air Act (Act), the New Source Review (NSR) program includes Prevention of Significant Deterioration (PSD) measures, which protect air quality in areas that currently have clean air. For some pollutants, the PSD program protects clean air through a system of "increments." These increments specify the maximum extent to which the ambient concentration of these pollutants may be allowed to increase above the legally defined baseline concentration in an area with clean air. In this rulemaking, we propose to refine several aspects of the method that may be used to calculate an increase in concentration for increment purposes. These refinements are intended to clarify how States and regulated sources may calculate increases in concentrations for the purposes of determining compliance with the PSD increments.

Comments. Written comments must be received on or before August 6, 2007. Ms. Jessica Montanez, New Source Review Group, Air Quality Policy Division (C504-03), U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, telephone number: (919) 541-3407; fax number: (919) 541-5509, or electronic mail e-mail Environmental Protection Administrative Practice and Procedures Air Pollution Control Intergovernmental Relations Air quality implementation plans: Preparation, adoption, and submittal Increment modeling procedures refinement; prevention of significant deterioration new source review, a-and-r-docket@epa.gov long.pam@epa.gov montanez.jessica@epa.gov http://www.epa.gov/nsr http://www.epa.gov/scram001/guidance/guide/draft_final-pm-O3-RH.pdf http://www.regulations.gov Vol. 72, no. 108 Office of the Federal Register, National Archives and Records Administration 2007-06-06 continuing daily deposited born digital 274 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2007-06-06 P0b002ee180943630 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr06jn07 https://www.govinfo.gov/app/details/FR-2007-06-06 https://www.govinfo.gov/content/pkg/FR-2007-06-06/pdf/FR-2007-06-06.pdf https://www.govinfo.gov/content/pkg/FR-2007-06-06/xml/FR-2007-06-06.xml fdlp 31171 31435 DGPO 2010-09-22 2024-06-05 FR-2007-06-06 machine generated eng FR FR-2007-06-06 72 108