Method Codes

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Organisation

U.S. Envioronmental Protection Agency Air Quality System

The Air Quality System (AQS) contains ambient air pollution data collected by EPA, state, local, and tribal air pollution control agencies from over thousands of monitors. AQS...

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Method Codes

Method Codes for the EPA-AQS dataset

Data and Resources

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Additional Info

Field	Value
Last Updated	May 19, 2025, 15:21 (UTC)
Created	May 19, 2025, 15:21 (UTC)
columns	["Parameter", "Parameter Code", "Method Code", "Recording Mode", "Collection Description", "Analysis Description", "Method Type", "Reference Method ID", "Equivalent Method", "Federal MDL", "Min Value", "Max Value", "Digits", "Round Truncate Indicator", "Units"]
file_type	CSV