Table 1 - List of Hazardous Air Pollutants (HAP) for Subpart HHH

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CAS Number aChemical name75070Acetaldehyde71432Benzene (includes benzene in gasoline)75150Carbon disulfide463581Carbonyl sulfide100414Ethyl benzene107211Ethylene glycol75050Acetaldehyde50000Formaldehyde110543n-Hexane91203Naphthalene108883Toluene5408412,2,4-Trimethylpentane1330207Xylenes (isomers and mixture)95476o-Xylene108383m-Xylene106423p-Xylenea CAS numbers refer to the Chemical Abstracts Services registry number assigned to specific compounds, isomers, or mixtures of compounds.

                    
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