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TeachMeFinance.com - explain National Ambient Air Quality Standards (NAAQS) National Ambient Air Quality Standards (NAAQS) The term 'National Ambient Air Quality Standards (NAAQS) ' as it applies to the area of agriculture can be defined as ' National standards set by the Environmental Protection Agency under authority of the Clean Air Act; NAAQS define the maximum allowable concentrations of specified air pollutants in outdoor (ambient) air. NAAQS have been set for carbon monoxide, particulate matter, sulfur oxides, nitrogen dioxide, lead, and ozone. 'Primary' NAAQS protect human health, with a margin of safety; 'secondary' NAAQS protect human welfare, which includes effects on soils, water, crops, vegetation, materials, etc'. Previous 5 Terms: National Agricultural Library (NAL) National Agricultural Research, Extension, and Teaching Policy Act National Agricultural Research, Extension, Education, and Economics Advisory Board National Agricultural Statistics Service (NASS) National Ambient Air Quality Standards Next 5 Terms: National Appeals Division (NAD) National Aquaculture Act of 1980 National Association Of Health Data Organizations National Association Of Insurance Commissioners National Association of Regulatory Utility Commissioners (NARUC) About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.