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US law
Federal (United States)
Regulations
Title 40 CFR — Protection of Environment
Chapter I
Part 50
Federal (United States) · Regulations
Part 50
3 sections
3 sections
40 C.F.R. § 50.3
Reference conditions.
40 C.F.R. § 50.14
Treatment of air quality monitoring data influenced by exceptional events.
40 C.F.R. § 50.20
National primary ambient air quality standards for PM 2.5 .
Part 50 | Federal (United States) Regulations | Justis AI