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National Ambient Air Quality Standards (NAAQS)

A chart shows the National Ambient Air Quality Standards (NAAQS) for pollutants mandated by the 1990 Clean Air Act amendments (CAA). Both the Primary standards the Secondary standards are given for the six principal pollutants.

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Description A chart shows the National Ambient Air Quality Standards (NAAQS) for pollutants mandated by the 1990 Clean Air Act amendments (CAA). Both the Primary standards the Secondary standards are given for the six principal pollutants.
Classification
Resource Type
Format
Subject
Source United States Environmental Protection Agency
Keyword Criteria pollutants
Selector Jund
Date Of Record Creation 2004-04-27 14:29:05
Education Level
Date Last Modified 2008-04-30 19:50:59
Language EN
Date Record Checked: 2004-04-27 00:00:00 (W3C-DTF)

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