Appendix I - Appendix I to Subpart C of Part 51—Specific Hazardous Substances
The following is a list of specific petroleum products and chemicals defined to be hazardous substances under § 51.201.
Hazardous Liquids Acetic Acid Acetic Anhydride Acetone Acrylonitrile Amyl Acetate Amyl Alcohol Benzene Butyl Acetate Butyl Acrylate Butyl Alcohol Carbon Bisulfide Carbon Disulfide Cellosolve Cresols Crude Oil (Petroleum) Cumene Cyclohexane No. 2 Diesel Fuel Ethyl Acetate Ethyl Acrylate Ethyl Alcohol Ethyl Benzene Ethyl Dichloride Ethyl Ether Gasoline Heptane Hexane Isobutyl Acetate Isobutyl Alcohol Isopropyl Acetate Isopropyl Alcohol Jet Fuel and Kerosene Methyl Alcohol Methyl Amyl Alcohol Methyl Cellosolve Methyl Ethyl Ketone Naptha Pentane Propylene Oxide Toluene Vinyl Acetate Xylene Hazardous Gases Acetaldehyde Butadiene Butane Ethene Ethylene Ethylene Oxide Hydrogen Liquefied Natural Gas (LNG) Liquefied Petroleum Gas (LPG) Propane Propylene Vinyl Chloride (Primary Source: “Urban Development Siting with respect to Hazardous Commercial/Industrial Facilities,” by Rolf Jensen and Associates, Inc., April 1982)