| Substance | Also known as | Also known as |
| 2,4-Dichlorophenoxyacetic acid (ester and non-ester) | 2,4-D | Amoxane, Cloroxane |
| 2-Ethoxyethanol | Ethylene glycol monoethyl ether | Cellosolve, Poly-solv EE |
| 2-Ethoxyethylacetate | Beta-ethoxyethylacetate | Ethylene glycol monoethyl ether acetate |
| 2-Nitropropane | 2-NP | Sec-nitropropane, Iso-nitro propane |
| 3-Methyl-1-butene | Isopentene | Alpha isoamylene |
| 4,4’-Methylene-dianiline | MDA | DAPM, Jeffamine AP-20, Sunicure M |
| 4,4'-Methylene-bis(2-chloroaniline) | MBOCA | Di(4-amino-3-chlorophenyl)methane |
| Acetaldehyde | Ethanal | Ethanolacetic aldehyde, Acetic aldehyde |
| Acetonitrile | Ethane nitrile | Cyanomethane, Methyl cyanide |
| Acrylamide | 2-Propenamide | Acrylic amide, Ethylene carboxamide |
| Acrylonitrile | AN | 2-Propenenitrile, Cyanoethylene |
| Aldrin | Aldrec, Aldrex, Aldrite | Octalene |
| Allyl alcohol [2-Propen-1-ol] | Propenyl alcohol | 3-Hydroxypropene |
| Amitrole | 1H-1,2,4-Triazol-3-amine, 3-amino-1,2,4-triazole | Weedazol, Hoechst Orchard Herbicide |
| Ammonia | NH3 | ammonia gas, aqueous ammonia or ammonium hydroxide (when dissolved in water) |
| Aniline | Benzeneamine | Aminobenzene |
| Antimony and its compounds | Sb | Antymon |
| As and compounds | arsenic and compounds of arsenic | |
| Atrazine | 6-Chloro-N-ethyl-N-isopropyl-1,3,5-triazinediyl-2,4-diamine | Residox, Primatol A |
| Azamethiphos | Alfacron 10, Alfacron Plus, Snip Fly Bait, Salmosan | |
| Azinphos-methyl | Phosphorodithioic acid, O,O-dimethyl ester | Guthion |
| Benzene | | |
| Benzene, Toluene, Ethylbenzene, Xylenes (BTEX) | | |
| Benzo(a)pyrene | BaP | benzo(d,e,f)chrysene, 3,4-benzopyrene |
| Benzyl butyl phthalate | BBP | Phthalic acid-butyl-benzyl ester, Butyl benzyl phthalate |
| Benzyl chloride | Chloromethylbenzene | Alpha-chlorotoluene |
| Beryllium and its compounds | Be | Glucinium |
| Biphenyl | Diphenyl,1,1'-biphenyl, Bibenzene | Lemonene, Xenene |
| Bisphenol-A | BPA | Diphenyol propane, 4,4'-(1-Methylidene)bisphenol |
| Boron and its compounds | B | |
| Brominated diphenylether | PBDEs | |
| Butadiene [1,3-Butadiene] | Vinyl ethylene, Buta-1,3-diene | C4H6 |
| Butene (all isomers) | 1-Butene, cis-2-butene, trans-2-butene, isobutylene | |
| Calcium cyanamide | carbimide, nitrolime | |
| Carbon dioxide | CO2 | dry ice or cardice (solid form) |
| Carbon disulphide | Carbon bisulphide, Sulphocarbonic anhydride | |
| Carbon monoxide | CO | coal gas, carbon(ic) oxide, flue or exhaust gas |
| Cd and compounds | cadmium and compounds of cadmium | |
| Chlorides | | |
| Chlorine and inorganic compounds | chloride, chloride ion, hydrogen chloride | brine, saline (when in solution) |
| Chloroalkanes (C10-13) | short chain chlorinated paraffins (SCCPs) | chlorowax or flexchlor |
| Chloroalkanes (C14-C17) | Medium chain chlorinated paraffins | MCCPs |
| Chloroalkanes (C18-C28) | Long chain chlorinated paraffins | LCCPs |
| Chloroethene | Vinyl chloride | Chloroethylene |
| Chlorofluorocarbons | CFCs | |
| Chloromethane | Methyl chloride | |
| Chlorpyrifos | O,O-diethyl-(3,5,6-trichloro-2-pyridinyl)phosphoroioate | Dursban, Lorsban, "Destroyer", "Strike" |
| Cr and compounds | chromium and compounds of chromium | |
| Cu and compounds | copper and compounds of copper | |
| Cyanamide | Carbamonitrile, Carbimide | Cyanogen nitride |
| Cyanides | total CN | |
| Cypermethrin | Ammo, Avicade, Barricade, Excis | |
| DDT | Dichloro-diphenyl-trichloro-ethane | Agritan, Azotox, Gyron |
| Demeton | Demeton-O, Demeton-S, Oxydemeton-methyl | |
| Di(2-ethylhexyl)phthalate | DEHP | Phthalic acid dioctyl ester, Diethylhexyl phthalate |
| Diallate | 2,3-DCDT, DATC | Dichloroallyl di-isopropyl(thiocarbamate) |
| Diaminotoluene (all isomers) | Toluene diamine | TDA |
| Diazinon | O,O-diethyl O-(2-isopropyl-4-methyl-6-pyrimidinyl) phosphorothioate. | Basudin, Knox out, Dethlac, Murphy Root Guard |
| Dibutlyphthalate | DBP | 1,2-Benzenecarboxylicacide, dibutyl ester |
| Dichloroethane-1,2 (DCE) | 1,2-dichloroethane, ethylene dichloride | dutch oil or dutch liquid |
| Dichloromethane (DCM) | methylene dichloride | |
| Dichlorvos | 2,2-Dichlorovinyl dimethyl phosphate | DDVP, Vapona, Cyanophos |
| Dieldrin | Alvit, Dieldrite, Illoxol | |
| Diethyl sulfate | Diethyl ester sulfuric acid, Diethyl tetraoxosulfate | |
| Dimethoate | Fosfamid, Cygon | |
| Dimethyl disulfide | DMDS | Sulfa-Hitech |
| Dimethyl formamide | DMF | N-Formyldimethylamine |
| Dimethyl sulfate | DMS | Methyl mesylate, methyl methanesulfonate |
| Dinitrogen oxide | N2O | nitrous oxide, laughing gas, nitrogen (I) oxide |
| Dinoseb | 2-(1-methylpropyl)-4,6-dinitrophenol | DNBP, Haulmex, Chafer Desicoil |
| Dioxane | 1,4-Dioxane | 1,4-Diethylene dioxide |
| Diuron | 3-(3,4-Dchlorophenyl)-1,1-dimethylurea | Direx, Karmex, Dichlorfendim |
| Emamectin salts and derivatives | Emamectin benzoate | Proclaim, Slice |
| Endosulfan | Thiodan, Endox, Malix | |
| Endrin | Isodrin epoxide, Endrex, Hexadrin, Mendrin | |
| Epichlorohydrin | 1-Chloro-2,3-epoxypropane | ECH |
| Ethene | Ethylene, Acetene | |
| Ethyl acrylate | Acrylic acid ethyl ester, Ethoxycarbonyl ethylene | |
| Ethyl bromide | Bromoethane. Bromic ether | |
| Ethyl toluene (all isomers) | Methylethylbenzene | |
| Ethylbenzene | ethylbenzol; Ethylenzene; phenylethane | |
| Ethylene oxide | 1,2-Epoxyethane | Oxirane, Amproline |
| Fenitrothion | Methylnitrophos, Dicofen, Fentro | SMT |
| Fluoride and inorganic compounds | including fluorine | |
| Fluorine
See Fluoride and inorganic compounds | including fluorine | |
| Formaldehyde | Methanal | Methyl aldehyde, Methylene oxide |
| Halogenated organic compounds (as AOX) | | |
| Halons | Bromofluorocarbons | |
| HCN | hydrogen cyanide | |
| Hexabromocyclododecane | HBCD | Saytex BC-70HS |
| Hexachlorobenzene (HCB) | "bunt cure" | |
| Hexachlorobutadiene (HCBD) | C-6, Dolenpur | |
| Hexachlorocyclohexane (HCH) | lindane (gamma-HCH) | |
| HFC's | hydrofluorocarbons | |
| Hg and compounds | mercury and compounds of mercury | |
| Hydrobromofluorocarbons | HBFCs | |
| Hydrochlorofluorocarbons | HCFCs | |
| Hydrogen chloride | Anhydrous hydrochloric acid, Spirits of salts | |
| Hydrogen fluoride | Anhydrous hyrofluoric acid | |
| Hydroxylethylacrylate | 2-Hydroxyethylacrylate | HEA, Ethylene glycol acrylate, Acrylic acid-2-hydroxyethylacrylate |
| Iodomethane | Methyl iodide | |
| Isobutyraldehyde | 2-Methylpropanal | Iso-butanal methyl propanal, 2-methylpropionaldehyde |
| Isophorone diisocyanate | IPDI | |
| Isoproturon | Ipuron, IPU | Panron |
| Linuron | Afalon, Lorox, Linurex | |
| Malathion | Phosphothion, Sumitox, Calmathion | |
| Maleic anhydride | Cis-butenedioic anhydride, Furanedione, Toxilic anhydride | |
| Manganese and its compounds | Mangnacat, Mangan, Tronamang, Cutaval | |
| Mecoprop | MCPP, CMPP, Methoxone, Rankotex, Kilprop | |
| Methane | CH4 | natural gas, methyl hydride, biogas |
| Methyl bromide | Bromomethane | Curafume, Haltox, Terabol, Zytox |
| Methyl chlorophenoxy acetic acid | MCPA | Agritox, Kilsem, Legumex, Vacate |
| Methyl isocyanate | MIC | Cyanatomethane, Isocyanic acid |
| Methylamine | Methanamine, Aminomethane, Carbinamine | |
| Methylene diphenyl diisocyanate | MDI | 4,4'-Methyldiphenyl diisocyanate |
| Naphthalene | Camphor tar, Mothballs, Mighty 150 | |
| Ni and compounds | nickel and compounds of nickel | |
| Nitrobenzene | Nitrobenzol, Mirbane oil, Essence of Myrbane | |
| NMVOC
| non-methane volatile organic compounds | |
| Nonylphenol ethoxylates | NPEs, NPEOs | Nonoxynol, Antarox, Makon |
| Nonylphenols | NPs | |
| NOx | oxides of nitrogen | |
| Octylphenol ethoxylates | OPEs | Igepal, Triton X-100 |
| Octylphenols | OPs | |
| Organotin compounds | organic tin compounds | |
| Para-dichlorobenzene [1,4-Dichlorobenzene] | DCB, para DCB, p-DCB | C6H4Cl2 |
| Particulates - total | Particulate matter (all sizes) | |
| Pb and compounds | lead and compounds of lead | |
| PCDD & PCDF (Dioxins & Furans) (as Teq) | polychlorinated-p-dioxins (PCDDs) | polychlorinated dibenzofurans (PCDFs) |
| PCDD & PCDF (Dioxins & Furans) (as Teq) | polychlorinated-p-dioxins (PCDDs) | polychlorinated dibenzofurans (PCDFs) |
| Pentachlorophenol (PCP)
| | |
| Pentane | | |
| Pentene (all isomers) | | |
| Permethrin | Permetrina, Ambush, Pounce, Perto | |
| PFC's | perfluorocarbons | |
| Phenols | phenol and phenolic compounds | |
| Phenols | phenol and phenolic compounds | |
| Phorate | Chafer, Mandops, Terrathion | |
| Phosgene | Carbonic dichloride, Carbon oxychloride, Carbonyl chloride | |
| PM10 | particulate matter of diameter less than or equal to 10 micrometers (microns) | |
| Polychlorinated biphenyls | PCBs | Arochlor, Pyranol, Clophen |
| Polycyclic aromatic hydrocarbons | PAHs | benzo[a]pyrene, benzo[b]fluoranthrene, benzo[k]fluranthrene, indo[1,2,3-cd]pyrene. |
| Propene | Propylene, Methylethene | |
| Propetamphos | Safrotin, Blotic, Serafos | |
| Propylene oxide | Propene oxide, Methyloxirane, Epoxypropane | |
| Selenium and its compounds | | |
| SF6 | sulphur hexafluoride | |
| Simazine | Gestatop, Chemicrop | |
| SOx | sulphur dioxide | |
| Styrene | Vinylbenzene, Ethenylbenzene, Styropor, Cinnamene | |
| Teflubenzuron | Dart, Diaract, Nemolt, Calicide | |
| Tert-butyl methyl ether | MTBE, tert-butoxymethane, 1,1-dimethylethyl methyl ether | |
| Tetrabromo-bisphenol A | TBBPA | Derakane, Bromdian, Tetrabrom |
| Tetrachloroethane [1,1,2,2-Tetrachloroethane] | TCE | Acetylene tetrachloride, Dichloro-2,2-dichloroethane |
| Tetrachloroethylene (PER) | tetrachloroethene | |
| Tetrachloromethane (TCM) | carbon tetrachloride | |
| Toluene | methyl-Benzene; Methylbenzol; | Monomethyl benzene; phenyl methane |
| Toluene diisocyanate (all isomers) | | |
| Total Nitrogen | | |
| Total organic carbon | TOC or COD3 | |
| Total Phosphorus | | |
| Tributyltin compounds | TBTs | |
| Trichlorobenzenes | including all its isomers | |
| Trichloroethane-1,1,1 (TCE)
| 1,1,1-trichloroethane, Methyl chloroform | |
| Trichloroethylene (TRI) | trichloroethene | |
| Trichloromethane | chloroform | |
| Trichlorotoluene (all isomers) | | |
| Trifluralin | Digermin, Trigard, Treflan | |
| Trimellitic anhydride | TMA, TMAN | Benzene-1,2,4-tricarboxylic acid 1,2-anhydride |
| Trimethylbenzene (all isomers) | | |
| Vanadium and its compounds | | |
| Xylene (all isomers) | | |
| Zn and compounds | zinc and compounds of zinc | |