Approval and Promulgation of Air Quality Implementation Plans; Maryland; Rate of Progress Plans and Contingency Measures for the Baltimore Ozone Nonattainment Area

摘要

EPA is approving State Implementation Plan (SIP) revisions submitted by the State of Maryland. These revisions establish the three percent per year emission reduction rate-of-progress (ROP) requirement for the period from 1996 through 2005 for the Baltimore severe ozone nonattainment area. EPA is also approving contingency measures for failure to meet ROP for the Baltimore nonattainment area. EPA is approving these revisions in accordance with the requirements of the Clean Air Act.