Regulacje i polityka gospodarcza · 19/11/2012

Approval and Promulgation of Air Quality Implementation Plans; Delaware; Attainment Plan for the Philadelphia-Wilmington, Pennsylvania-New Jersey-Delaware 1997 Fine Particulate Matter Nonattainment Area

EPA is proposing to approve a State Implementation Plan (SIP) revision submitted by Delaware on April 3, 2008, as amended on April 25, 2012. The SIP revision demonstrates attainment of the 1997 annual fine particulate matter (PM 2.5 ) national ambient air quality standard (NAAQS) for the Philadelphia-Wilmington, Pennsylvania-New Jersey-Delaware (PA-NJ-DE) nonattainment area (Philadelphia Area). This Delaware SIP revision (herein called the "attainment plan") includes the Philadelphia Area's attainment demonstration and motor vehicle emission budgets (MVEBs) used for transportation conformity purposes for New Castle County in Delaware. The attainment plan also includes an analysis of reasonably available control measures (RACM) and reasonably available control technology (RACT), a base year emissions inventory, and contingency measures. The April 25, 2012 submittal is a SIP revision that replaces the MVEBs in the April 3, 2008 submittal with a budget that is based on the Motor Vehicle Emissions Simulator (MOVES) model. In a separate and concurrent process, EPA is conducting a procedure to find adequate the MVEBs for New Castle County. Furthermore, EPA has determined that a reasonabl