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US law
Federal (United States)
Regulations
Title 40 CFR — Protection of Environment
Chapter I — ENVIRONMENTAL PROTECTION AGENCY
Part 81 — DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart A — Meaning of Terms
Federal (United States) · Regulations
Subpart A — Meaning of Terms
1 section
1 section
40 C.F.R. § 81.1
Definitions.
Subpart A — Meaning of Terms | Federal (United States) Regulations | Justis AI