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Day 21
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation of the Hazelwood SO2 Nonattainment and the Monongahela River Valley Unclassifiable Areas to Attainment and Approval of the Maintenance Plan
- Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Maryland; Virginia; Technical Amendment
- Revisions to the California State Implementation Plan, South Coast Air Quality Management District
AIR TEXT Files - [ZIP 15kb] - Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Maryland; Virginia; Technical Amendment