Jump to main content or area navigation.

Contact Us

Technology Transfer Network - Air Toxics Web Site

List of Urban HAPs for the Integrated Urban Air Toxics Strategy

This table was extracted from 64 FR 38705 (July 19,1999)

HAP CAS No.
acetaldehyde 75-07-0
acrolein 107-02-8
acrylonitrile 107-13-1
arsenic compounds*  
benzene 71-43-2
beryllium compounds*  
1,3-butadiene 106-99-0
cadmium compounds*  
carbon tetrachloride 56-23-5
chloroform 67-66-3
chromium compounds*  
coke oven emissions 8007-45-2
1,2-dibromomethane 106-93-4
1,2-dichloropropane (propylene dichloride) 78-87-5
1,3-dichloropropene 542-75-6
ethylene dichloride (1,2-dichloroethane) 107-06-2
ethylene oxide 75-21-8
formaldehyde 50-00-0
hexachlorobenzene 118-74-1
hydazine 302-01-2
lead compounds*  
manganese compounds*  
mercury compounds*  
dichloromethane (methylene chloride) 75-09-2
nickel compounds*  
polychlorinated biphenyls(PCBs) 1336-36-3
polycyclic organic matter(POM)*  
quinoline 91-12-5
2,3,7,8-tetrachlorodibenzo-p-dioxin 1746-01-6
1,1,2,2-tetrachloroethane 79-34-5
tetrachloroethylene(perchloroethylene) 127-18-4
trichloroethylene 79-01-6
vinyl chloride 75-01-4
* The compound catagories and polycyclic organic matter do not have Chemical Abstract Service (CAS) Numbers since they include more than one compound. See http://www.epa.gov/ttn/atw/orig189.html for the statutory list of Hazardous Air Pollutants.

Jump to main content.