Regulacje i polityka gospodarcza · 16.12.1999

Approval and Promulgation of Implementation Plans; Illinois; Ozone

The Environmental Protection Agency (EPA) is proposing to conditionally approve the 1-hour ozone attainment demonstration State Implementation Plan (SIP or plan) for the Chicago-Gary-Lake County severe ozone nonattainment area submitted by the Illinois Environmental Protection Agency (IEPA) on April 30, 1998. This proposed conditional approval is based on the submitted modeling analysis and on the State's commitments to adopt and submit a final ozone attainment demonstration SIP and a post-1999 Rate of Progress (ROP) plan, including the necessary State air pollution control regulations to complete the attainment demonstration and ROP plans, by December 31, 2000. The EPA is also proposing, in the alternative, to disapprove this attainment demonstration plan if, by December 31, 1999, the State does not select a control strategy associated with its submitted modeling analysis and submits adequate motor vehicle emissions budgets for Volatile Organic Compounds (VOC) and Oxides of Nitrogen (NO X ) for the ozone nonattainment area that comply with EPA's conformity regulations and that are derived from the selected emissions control strategy that supports attainment of the 1-hour ozone sta