A site must submit a report to the National Pollutant Inventory if 10 tonnes or more of any of the substances listed below are used at the site. The substances are shown in alphabetical order, and each substance name links to its page on the NPI website. The full substance list, together with the reporting thresholds that apply to each substance, is published as the NPI substance list and thresholds on the NPI website.
- Acetaldehyde
- Acetic acid (ethanoic acid)
- Acetone
- Acetonitrile
- Acrolein
- Acrylamide
- Acrylic acid
- Acrylonitrile (2-propenenitrile)
- Ammonia (total)
- Aniline (benzenamine)
- Antimony & compounds
- Arsenic & compounds
- Benzene
- Benzene hexachloride - (HCB)
- Beryllium & compounds
- Biphenyl (1,1-biphenyl)
- Boron & compounds
- Butadiene (vinyl ethylene)
- Cadmium & compounds
- Carbon disulfide
- Carbon monoxide
- Chlorine & compounds
- Chlorine dioxide
- Chloroethane (ethyl chloride)
- Chloroform (trichloromethane)
- Chlorophenols (di, tri, tetra)
- Chromium (III) compounds
- Chromium (VI) compounds
- Cobalt & compounds
- Copper & compounds
- Cumene (1-methylethylbenzene)
- Cyanide (inorganic) compounds
- Cyclohexane
- Dibromoethane
- Dibutyl phthalate
- Di-(2-Ethylhexyl) phthalate (DEHP)
- Dichloroethane
- Dichloromethane
- Ethanol
- Ethoxyethanol
- Ethoxyethanol acetate
- Ethyl acetate
- Ethyl butyl ketone
- Ethylbenzene
- Ethylene glycol (1,2-ethanediol)
- Ethylene oxide
- Fluoride compounds
- Formaldehyde (methyl aldehyde)
- Glutaraldehyde
- Hexane
- Hydrochloric acid
- Hydrogen sulfide
- Lead & compounds
- Magnesium oxide fume
- Manganese & compounds
- Methanol
- Methoxyethanol
- Methoxyethanol acetate
- Methyl ethyl ketone
- Methyl isobutyl ketone
- Methyl methacrylate
- Methylene bis(2-chloroaniline) (MOCA)
- Methylenebis (phenylisocyanate)
- Nickel & compounds
- Nickel carbonyl
- Nickel subsulfide
- Nitric acid
- Organo-tin compounds
- Phenol
- Phosphoric acid
- Polychlorinated Biphenyls
- Selenium & compounds
- Styrene (ethenylbenzene)
- Sulfur dioxide
- Sulfuric acid
- Tetrachloroethane
- Tetrachloroethylene
- Toluene (methylbenzene)
- Toluene-2,4-diisocyanate
- Trichloroethane
- Trichloroethylene
- Vinyl Chloride Monomer
- Xylenes (individual or mixed isomers)
- Zinc and compounds
The same substance information is available as a sortable spreadsheet and as an alphabetically sorted PDF. The NPI substances which are counted as volatile organic compounds are listed on the NPI substances which are Volatile Organic Compounds page.
For an introduction to the National Pollutant Inventory program, please read What is the National Pollutant Inventory?, and for a brief overview of whether your industrial facility needs to submit a report, please read When does a site need to report to the NPI?.