The Chemical or Waste category includes the following sections: 111-trichloroethane Acetone Adhesives Alcohols Alloys Aluminum Ammonia Ammonium Salts Benzene Biochemicals Biocides Black Oxide Cadmium Carbon Dioxide (CO2) Carboxylic Acids Catalysts CFCs Chlorides Chlorine Chlorobenzene Chromium Coolants Dioxin Ethylene Glycol Ethylene Oxide Fluxes Freon General Gold Heavy Metals Hydraulic Fluids Hydrochloric Acid Hydrogen Inks Iron Isopropyl Alcohol Kerosene Lab Waste Lead Lubricants Mercury Methyl Bromide Methyl Chloroform Methyl-Ethyl Ketone (MEK) Methylene Chloride Nickel Nitric acid NOx (nitrous oxides) Oil Organic Compounds Ozone Depleting Chemicals Perchloroethane Peroxidases Pesticides Petrochemicals Phosphate Pigments Polychlorinated Biphenyls (PCB) Polyethylene Polymers Polyvinyl Chloride (PVC) Propylene Glycol Pyrite Sealants Selenium Silver Sodium Bicarbonate Sodium Hydroxide Solvents Styrene Sulfide Sulfur Dioxide Sulfuric Acid Supercritical Carbon Dioxide Surfactants VOCs Waste Water Zinc