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Federal
Compliance and Emissions Data Reporting Interface (CEDRI)
U.S. Environmental Protection Agency —
EPA regulations codified in 40 CFR Part 60 and 63 require affected sources to perform emissions source tests, conduct continuous emissions monitoring, and submit... -
Federal
Web page with Air Quality System (AQS) ambient observation files
U.S. Environmental Protection Agency —
Ambient concentrations of most requested pollutants from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).