N.C. Department of Environment and Natural Resources
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Air Toxics Program >> HAPS & TAPS

US EPA Hazardous Air Pollutants (HAPS) Information
Find information about chemical compounds designated as hazardous air pollutants (HAPS) by the US Environmental Protection Agency. Please note that this link will direct you to the US EPA's Air Toxics Web Site.
Glycol Ethers
A special class of HAPS is the group of chemicals called glycol ethers, which includes over 4500 compounds. Browse a searchable database of glycol ether compounds regulated by the Clean Air Act.
 
NC Toxic Air Pollutants (TAPS) Information
NC regulations identify 97 chemicals or classes of chemicals as toxic air pollutants (TAPS). Find information about Acceptable Ambient Levels (AALs) and TAP Permissible Emission Rates (TPERS).

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Last Modified: Fri September 19 12:57:59 2008
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