ACETALDEHYDE...1-1 ALLYL CHLORIDE...1-2 ANILINE...1-3 ANTIMONY TRIOXIDE...1-4 ARSENIC...1-5 CHRYSOTILE...1-6 BENZENE...1-7 BENZYL CHLORIDE...1-8 1,3-BUTADIENE...1-9 1-BUTANETHIOL...1-10 2-METHYL-2-PROPANETHIOL...1-11 CADMIUM...1-12 CARBON DIOXIDE...1-13 CARBON DISULPHIDE...1-14 CARBON MONOXIDE...1-15 CARBON TETRACHLORIDE...1-16 1-HEXADECANETHIOL...1-17 4-CHLOROANILINE...1-18 CHLOROFORM...1-19 2-CHLORO-1-NITROBENZENE...1-20 CHROMIUM...1-21 o-CRESOL...1-22 p-CRESOL...1-23 CYCLOHEXANETHIOL...1-24 2,4-DICHLOROPHENOXYACETIC ACID...1-25 DDT...1-26 1-DECANETHIOL...1-27 DIBUTYL PHTHALATE...1-28 1,4-DICHLOROBENZENE...1-29 DICHLORPROP...1-30 DIETHYLENE GLYCOL MONOETHYL EHTER...1-31 DIETHYLENE GLYCOL MONOETHYL EHTER...1-32 1,4-DIOXANE...1-33 1-DODECANETHIOL...1-34 EPICHLOROHYDRIN...1-35 ETHANOL(ANHYDROUS)...1-36 ETHYLENE DIBROMIDE...1-37 FLUORINE...1-38 TRICHLOROFLROROOMETHANE...1-39 DICHLORODIFLUOROMETHANE...1-40 CHLORODIFLUOROMETHANE...1-41 1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE...1-42 HEXACHLOROETHANE...1-43 LEAD(INORGANIC)...1-44 LINDANE..1-45 MCPA...1-46 MECOPROP...1-47 MERCURY...1-48 METHANOL...1-49 METHANOL...1-49 METHYLENE CHLORIDE...1-50 2-BUTOXYETHANOL...1-51 2-ETHOXYETHANOL...1-52 2-METHOXYETHANOL...1-53 NICKEL...1-54 NICKEL SULPHATE...1-55 NICKEL CARBONYL...1-56 NITROBENZENE...1-57 p-NITROPHENOL...1-58 NITROUS OXIDE...1-59 OZONE...1-60 PENTACHLOROPHENOL...1-61 PHENOL...1-62 QUINOLINE...1-63 SELENIUM...1-64 STYRENE...1-65 SULPHUR DIOXIDE...1-66 2,4,5-TRICHLOROPHENOXYACETIC ACID...1-67 TETRACHLOROETHYLENE...1-68 THALLIUM METAL...1-69 TOLUENE...1-70 1,1,1-TRICHLOROETHANE...1-71 1,1,2-TRICHLOROETHANE...1-72 TRICHLOROETHYLENE...1-73 VINYL CHLORIDE...1-74 VINYLIDENE CHLORIDE...1-75 ORTHO-XYLENE...1-76 META-XYLENE...1-77 PARA-XYLENE...1-78