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US law
Federal (United States)
Regulations
Title 40 CFR — Protection of Environment
Chapter I — ENVIRONMENTAL PROTECTION AGENCY
Part 58 — AMBIENT AIR QUALITY SURVEILLANCE
Subpart C — Special Purpose Monitors
Federal (United States) · Regulations
Subpart C — Special Purpose Monitors
1 section
1 section
40 C.F.R. § 58.20
Special purpose monitors (SPM).
Subpart C — Special Purpose Monitors | Federal (United States) Regulations | Justis AI