NAAQS Table" (National Ambient Air Quality Standards)¶
U.S. Environmental Protection Agency. NAAQS Table" (National Ambient Air Quality Standards).
Cited by¶
1 citation across 1 artifact.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Baseline Deviation
- In environmental monitoring it is a pollutant reading above a regulatory limit or a river level outside its seasonal band.
This sourceDefines the regulatory threshold concentrations for criteria air pollutants; a measured ambient reading above the standard is a flagged exceedance (nonattainment), the environmental-monitoring instance of observation-against-reference.
- In environmental monitoring it is a pollutant reading above a regulatory limit or a river level outside its seasonal band.
Verification¶
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Registry ID ref:df55726ceddf · see in the full table