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Day 29
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Revision to Definition of Volatile Organic Compounds--Exclusion of t-Butyl Acetate
- Air Quality: Revision to Definition of Volatile Organic Compounds--Exclusion of Four Compounds
- List of Hazardous Air Pollutants, Petition Process, Lesser Quantity Designations, Source Category List; Petition To Delist of Ethylene Glycol Monobutyl Ether
- Approval and Promulgation of Air Quality Implementation Plans; Maryland; Revised Format of 40 CFR Part 52 for Materials Being Incorporated by Reference
- Approval and Promulgation of State Implementation Plans and Designation: Washington; Yakima County Nonattainment Area Boundary Revision
- Approval and Promulgation of State Implementation Plans and Designation: Washington; Yakima PM-10 Nonattainment Area Limited Maintenance Plan
AIR TEXT Files - [ZIP 88kb] - Air Quality: Revision to Definition of Volatile Organic Compounds--Exclusion of Four Compounds