| (2-Methoxymethylethoxy) propanol | 34590-94-8 | Unchanged |
| (bis)chloromethyl ether | 542-88-1 | No numerical limit |
| [Glass wool, rock (stone) wool, slag wool and continuous glass filament](h)(i) and Low Biopersistence SMF(j) | | Unchanged |
| 1-Bromopropane | 106-94-5 | New limit |
| 1-Chloro-1-nitropropane | 600-25-9 | Unchanged |
| 1-Methoxy-2-propanol acetate | 108-65-6 | Unchanged |
| 1-Methyl-2-pyrrolidone | 872-50-4 | Tightened |
| 1-Nitropropane | 108-03-2 | Unchanged |
| 1,1-Dichloro-1-nitroethane | 594-72-9 | Unchanged |
| 1,1-Dichloroethane | 75-34-3 | Unchanged |
| 1,1-Dimethylhydrazine | 57-14-7 | Unchanged |
| 1,1,1-Trichloroethane | 71-55-6 | Unchanged |
| 1,1,1,2-Tetrachloro-2,2-difluoroethane | 76-11-9 | Unchanged |
| 1,1,1,2-Tetrafluoroethane | 811-97-2 | Unchanged |
| 1,1,2-Trichloro-1,2,2-trifluoroethane | 76-13-1 | Unchanged |
| 1,1,2-Trichloroethane | 79-00-5 | Unchanged |
| 1,1,2,2-Tetrabromoethane | 79-27-6 | Unchanged |
| 1,1,2,2-Tetrachloro-1,2-difluoroethane | 76-12-0 | Unchanged |
| 1,1,2,2-Tetrachloroethane | 79-34-5 | Unchanged |
| 1,2-Dibromo ethane | 106-93-4 | No numerical limit |
| 1,2-Dichloroethylene | 540-59-0 | Unchanged |
| 1,2,3-Trichloropropane | 96-18-4 | Unchanged |
| 1,2,4-Trichlorobenzene | 120-82-1 | Unchanged |
| 1,3-Butadiene | 106-99-0 | No numerical limit |
| 1,3-Dichloro-5,5-dimethyl hydantoin | 118-52-5 | Unchanged |
| 1,3-Dioxolane | 646-06-0 | New limit |
| 1,4-Dioxane | 123-91-1 | Tightened |
| 2-Aminopyridine | 504-29-0 | Unchanged |
| 2-Butoxyethanol | 111-76-2 | Tightened |
| 2-Butoxyethyl acetate | 112-07-2 | Changed |
| 2-Chloropropionic acid | 598-78-7 | Unchanged |
| 2-Diethylaminoethanol | 100-37-8 | Unchanged |
| 2-Ethoxyethanol | 110-80-5 | Tightened |
| 2-Ethoxyethyl acetate | 111-15-9 | Tightened |
| 2-Ethylhexanoic acid | 149-57-5 | New limit |
| 2-Ethylhexanol | 104-76-7 | New limit |
| 2-Methoxyethanol | 109-86-4 | Tightened |
| 2-Methoxyethyl acetate | 110-49-6 | Tightened |
| 2-Methylbutyl acetate | 624-41-9 | New limit |
| 2-N-Dibutylaminoethanol | 102-81-8 | Tightened |
| 2-Nitropropane | 79-46-9 | Unchanged |
| 2-Nitrotoluene | 88-72-2 | No numerical limit |
| 2,2-Dichloropropionic acid | 75-99-0 | Unchanged |
| 2,2'-Oxybis[ethanol] | 111-46-6 | Unchanged |
| 2,3-Pentanedione | 600-14-6 | New limit |
| 2,4-D | 94-75-7 | Unchanged |
| 2,4-Pentanedione | 123-54-6 | New limit |
| 2,4,5-T | 93-76-5 | Unchanged |
| 2,4,6-Trinitrotoluene | 118-96-7 | Tightened |
| 2,6-Di-tert-butyl-p-cresol | 128-37-0 | Unchanged |
| 3-Nitrotoluene | 99-08-1 | Unchanged |
| 3,3'-Dichlorobenzidine | 91-94-1 | No numerical limit |
| 4-Methoxyphenol | 150-76-5 | Unchanged |
| 4-Nitrotoluene | 99-99-0 | Unchanged |
| 4,4’-Methylene bis(2-chloroaniline) | 101-14-4 | No numerical limit |
| 4,4'-Methylene dianiline | 101-77-9 | Unchanged |
| 4,4'-Thiobis (6-tert-butyl-m-cresol) | 96-69-5 | Unchanged |
| 5-Methylheptan-3-one | 541-85-5 | Unchanged |
| 5-nitro-o-toluidine (inhalable) | 99-55-8 | New limit |
| Acetaldehyde | 75-07-0 | Unchanged |
| Acetic acid | 64-19-7 | Unchanged |
| Acetic anhydride | 108-24-7 | Tightened |
| Acetone | 67-64-1 | Tightened |
| Acetonitrile | 75-05-8 | Tightened |
| Acetylsalicylic acid | 50-78-2 | Unchanged |
| Acrolein | 107-02-8 | Tightened |
| Acrylamide | 79-06-1 | No numerical limit |
| Acrylic acid | 79-10-7 | Raised |
| Acrylonitrile | 107-13-1 | No numerical limit |
| Aldrin | 309-00-2 | Removed: banned |
| Allyl alcohol | 107-18-6 | Tightened |
| Allyl chloride | 107-05-1 | No numerical limit |
| Allyl glycidyl ether | 106-92-3 | No numerical limit |
| Allyl propyl disulfide | 2179-59-1 | Unchanged |
| alpha-Chloroacetophenone | 532-27-4 | Tightened |
| alpha-Methyl styrene | 98-83-9 | Unchanged |
| Aluminium (metal dust) | 7429-90-5 | Unchanged |
| Aluminium oxide (including alpha-alumina) | 1344-28-1 | Unchanged |
| Amitrole | 61-82-5 | Raised |
| Ammonia | 7664-41-7 | Tightened |
| Ammonium chloride (fume) | 12125-02-9 | Unchanged |
| Ammonium perfluorooctanoate | 3825-26-1 | Tightened |
| Ammonium sulphamate | 7773-06-0 | Unchanged |
| Amosite | 12172-73-5 | Unchanged |
| Amyl acetate (iso-, n-, sec- isomers) | 628-63-7, 626-38-0, 123-92-2 | Changed |
| Aniline and homologues | 62-53-3 | Tightened |
| Anisidine (o, p- isomers) | 29191-52-4 | No numerical limit |
| Antimony and compounds (excluding antimony trioxide) | 7440-36-0 | Unchanged |
| Antimony trioxide, handling and use (as Sb) | 1309-64-4 | Unchanged |
| ANTU | 86-88-4 | Unchanged |
| Any mixture of these, or where the composition is unknown | | Unchanged |
| Arsenic and compounds (except arsine) | | Tightened |
| Arsine | 7784-42-1 | Unchanged |
| Asbestos | 1332-21-4 | Unchanged |
| Atrazine | 1912-24-9 | Tightened |
| Azinphos-methyl | 86-50-0 | Raised |
| Barium and soluble compounds | | Unchanged |
| Barium sulfate | 7727-43-7 | Tightened |
| Benomyl | 17804-35-2 | Tightened |
| Benzene | 71-43-2 | Unchanged |
| Benzidine | 92-87-5 | No numerical limit |
| Benzoyl chloride | 98-88-4 | New limit |
| Benzoyl peroxide | 94-36-0 | Unchanged |
| Benzyl chloride | 100-44-7 | Unchanged |
| Beryllium and compounds | 7440-41-7 | Tightened |
| beta-Chloroprene | 126-99-8 | No numerical limit |
| beta-Propiolactone | 57-57-8 | Unchanged |
| Biphenyl | 92-52-4 | Unchanged |
| Bismuth | 1304-82-1 | Unchanged |
| Bisphenol-A | 80-05-7 | New limit |
| Bitumen fumes | 8052-42-4 | Tightened |
| Borates, tetra, sodium salts, incl anhydrous, decahydrate, pentahydrate | 1330-43-4, 1303-96-4, 12179-04-3, 10043-35-3 | Tightened |
| Boron oxide | 1303-86-2 | Unchanged |
| Boron tribromide | 10294-33-4 | Tightened |
| Boron trifluoride | 7637-07-2 | Tightened |
| Bromacil | 314-40-9 | Unchanged |
| Bromine | 7726-95-6 | Unchanged |
| Bromine pentafluoride | 7789-30-2 | Unchanged |
| Bromoform | 75-25-2 | Unchanged |
| But-2-yne-1,4-diol | 110-65-6 | New limit |
| Butane | 106-97-8 | Unchanged |
| Butyl acetate (n-, sec-, tert-, iso- isomers) | 123-86-4, 105-46-4, 540-88-5, 110-19-0 | Tightened |
| Butyl mercaptan | 109-79-5 | Unchanged |
| Butylamine | 109-73-9 | Unchanged |
| Cadmium and compounds (as Cd) | | Tightened |
| Caesium hydroxide | 21351-79-1 | Unchanged |
| Calcium carbonate | 471-34-1 | Unchanged |
| Calcium cyanamide | 156-62-7 | Tightened |
| Calcium hydroxide | 1305-62-0 | Tightened |
| Calcium oxide | 1305-78-8 | Tightened |
| Calcium silicate | 1344-95-2 | Unchanged |
| Calcium sulfate (respirable) | 7778-18-9 | Tightened |
| Camphor, synthetic | 76-22-2 | Changed |
| Caprolactam (dust and vapour) (incl. e caprolactam) | 105-60-2 | Tightened |
| Captafol | 2425-06-1 | Unchanged |
| Captan | 133-06-2 | Unchanged |
| Carbaryl | 63-25-2 | Tightened |
| Carbofuran | 1563-66-2 | Unchanged |
| Carbon black | 1333-86-4 | Unchanged |
| Carbon dioxide | 124-38-9 | Unchanged |
| Carbon disulfide | 75-15-0 | Tightened |
| Carbon monoxide | 630-08-0 | Tightened |
| Carbon tetrabromide | 558-13-4 | Unchanged |
| Carbon tetrachloride | 56-23-5 | Tightened |
| Carbonyl fluoride | 353-50-4 | Unchanged |
| Catechol | 120-80-9 | No numerical limit |
| Cellulose (paper fibre) | 9004-34-6 | Unchanged |
| Chlordane | 57-74-9 | Removed: banned |
| Chlorinated camphene | 8001-35-2 | Unchanged |
| Chlorinated diphenyl oxide | 31242-93-0 | Unchanged |
| Chlorine | 7782-50-5 | Unchanged |
| Chlorine dioxide | 10049-04-4 | Unchanged |
| Chlorine trifluoride | 7790-91-2 | Unchanged |
| Chloroacetaldehyde | 107-20-0 | Unchanged |
| Chloroacetone | 78-95-5 | Unchanged |
| Chloroacetyl chloride | 79-04-9 | Unchanged |
| Chlorobenzene | 108-90-7 | Tightened |
| Chlorobromomethane | 74-97-5 | Unchanged |
| Chlorodifluoromethane | 75-45-6 | Unchanged |
| Chloroform | 67-66-3 | Tightened |
| Chloropentafluoroethane | 76-15-3 | Unchanged |
| Chloropicrin | 76-06-2 | Unchanged |
| Chlorosulphonic acid | 7790-94-5 | Unchanged |
| Chlorpyrifos | 2921-88-2 | Tightened |
| Chromium (metal), (II), (III) (as Cr) | 7440-47-3 | Changed |
| Chromium VI compounds | 11103-86-9, 13530-65-9, 37300-23-5, 18540-29-9 | No numerical limit |
| Chrysotile | 12001-29-5 | Unchanged |
| Clopidol | 2971-90-6 | Tightened |
| Coal dust (containing < 5% quartz) (respirable dust) | | Unchanged |
| Coal tar pitch volatiles (as benzene solubles) | 65996-93-2 | No numerical limit |
| Cobalt (metal and inorganic compounds) | 7440-48-4 | Tightened |
| Cobalt carbonyl (as Co) | 10210-68-1 | Unchanged |
| Cobalt hydrocarbonyl (as Co) | 16842-03-8 | Unchanged |
| Copper | 7440-50-8 | Unchanged |
| Cotton dust, raw | | Tightened |
| Cresol, all isomers; m-cresol; o-cresol; p-cresol | 1319-77-3, 108-39-4, 95-48-7, 106-44-5 | Unchanged |
| Crocidolite | 12001-28-4 | Unchanged |
| Crotonaldehyde | 4170-30-3 | Unchanged |
| Crufomate | 299-86-5 | Unchanged |
| Cumene | 98-82-8 | Unchanged |
| Cyanamide | 420-04-2 | Tightened |
| Cyanides (as CN) | 151-50-8, 57-12-5 | Tightened |
| Cyanoacrylates (Ethyl and Methyl) | 137-05-3, 7085-85-0 | Tightened |
| Cyanogen | 460-19-5 | Tightened |
| Cyanogen chloride | 506-77-4 | Unchanged |
| Cyclohexane | 110-82-7 | Changed |
| Cyclohexanol | 108-93-0 | Unchanged |
| Cyclohexanone | 108-94-1 | Tightened |
| Cyclohexene | 110-83-8 | Unchanged |
| Cyclohexylamine | 108-91-8 | Tightened |
| Cyclonite | 121-82-4 | Tightened |
| Cyclopentadiene | 542-92-7 | Unchanged |
| Cyclopentane | 287-92-3 | Unchanged |
| Cyhexatin | 13121-70-5 | Unchanged |
| DDT (Dichlorodiphenyl-trichloroethane) | 50-29-3 | Removed: banned |
| Decaborane | 17702-41-9 | Unchanged |
| Demeton | 8065-48-3 | Unchanged |
| Di-sec-octyl phthalate | 117-81-7 | Tightened |
| Diacetone alcohol | 123-42-2 | Tightened |
| Diacetyl | 431-03-8 | New limit |
| Diatomaceous earth (uncalcined) | 61790-53-2 | Unchanged |
| Diazinon | 333-41-5 | Tightened |
| Diazomethane | 334-88-3 | Unchanged |
| Diborane | 19287-45-7 | Tightened |
| Dibutyl phenyl phosphate | 2528-36-1 | Unchanged |
| Dibutyl phosphate | 107-66-4 | Tightened |
| Dibutyl phthalate | 84-74-2 | Tightened |
| Dichloroacetic acid | 79-43-6 | New limit |
| Dichloroacetylene | 7572-29-4 | Unchanged |
| Dichlorodifluoromethane | 75-71-8 | Unchanged |
| Dichloroethyl ether | 111-44-4 | Changed |
| Dichlorofluoromethane | 75-43-4 | Unchanged |
| Dichloropropene | 542-75-6 | Unchanged |
| Dichlorotetrafluoroethane | 76-14-2 | Unchanged |
| Dichlorvos | 62-73-7 | Tightened |
| Dicrotophos | 141-66-2 | Unchanged |
| Dicyclopentadiene | 77-73-6 | Tightened |
| Dicyclopentadienyl iron | 102-54-5 | Tightened |
| Dieldrin | 60-57-1 | Removed: banned |
| Diesel particulate matter (as respirable elemental carbon) | | New limit |
| Diethanolamine | 111-42-2 | Tightened |
| Diethyl ketone | 96-22-0 | Tightened |
| Diethyl pthalate | 84-66-2 | Unchanged |
| Diethyl sulfate | 64-67-5 | No numerical limit |
| Diethylamine | 109-89-7 | Tightened |
| Diethylene glycol monobutyl ether | 112-34-5 | New limit |
| Diethylene triamine | 111-40-0 | Unchanged |
| Difluorodibromomethane | 75-61-6 | Unchanged |
| Diglycidyl ether | 2238-07-5 | Unchanged |
| Diisobutyl ketone | 108-83-8 | Unchanged |
| Diisopropylamine | 108-18-9 | Unchanged |
| Dimethyl acetamide | 127-19-5 | Unchanged |
| Dimethyl ether | 115-10-6 | Unchanged |
| Dimethyl sulfate | 77-78-1 | No numerical limit |
| Dimethyl sulfide | 75-18-3 | New limit |
| Dimethylamine | 124-40-3 | Changed |
| Dimethylaminoethanol | 108-01-0 | Unchanged |
| Dimethylcarbamoyl chloride | 79-44-7 | No numerical limit |
| Dimethylformamide | 68-12-2 | Tightened |
| Dimethylphthalate | 131-11-3 | Unchanged |
| Dinitolmide | 148-01-6 | Tightened |
| Dinitro-o-cresol | 534-52-1 | Unchanged |
| Dinitrobenzene (m-, o-, p-isomers) | 99-65-0, 528-29-0, 100-25-4 | Changed |
| Dinitrotoluene | 25321-14-6 | No numerical limit |
| Dioxathion | 78-34-2 | Unchanged |
| Diphenylamine | 122-39-4 | Tightened |
| Dipropyl ketone | 123-19-3 | Unchanged |
| Diquat | 85-00-7 | Tightened |
| Disulfiram | 97-77-8 | Unchanged |
| Disulfoton | 298-04-4 | Tightened |
| Diuron | 330-54-1 | Unchanged |
| Divinyl benzene | 1321-74-0 | Unchanged |
| Emery (dust) | 1302-74-5 | Unchanged |
| Endosulfan | 115-29-7 | Unchanged |
| Endrin | 72-20-8 | Removed: banned |
| Enflurane | 13838-16-9 | Raised |
| Epichlorohydrin | 106-89-8 | Tightened |
| Ethanolamine | 141-43-5 | Unchanged |
| Ethion | 563-12-2 | Tightened |
| Ethyl acetate | 141-78-6 | Unchanged |
| Ethyl acrylate | 140-88-5 | Tightened |
| Ethyl alcohol | 64-17-5 | Tightened |
| Ethyl benzene | 100-41-4 | Tightened |
| Ethyl bromide | 74-96-4 | Unchanged |
| Ethyl butyl ketone | 106-35-4 | Tightened |
| Ethyl chloride | 75-00-3 | Tightened |
| Ethyl ether | 60-29-7 | Unchanged |
| Ethyl formate | 109-94-4 | Tightened |
| Ethyl mercaptan | 75-08-1 | Unchanged |
| Ethyl silicate | 78-10-4 | Tightened |
| Ethylamine | 75-04-7 | Raised |
| Ethylene chlorohydrin | 107-07-3 | Unchanged |
| Ethylene dichloride | 107-06-2 | No numerical limit |
| Ethylene glycol | 107-21-1 | Tightened |
| Ethylene glycol dinitrate | 628-96-6 | Tightened |
| Ethylene oxide | 75-21-8 | No numerical limit |
| Ethylene thiourea | 96-45-7 | New limit |
| Ethylenediamine | 107-15-3 | Unchanged |
| Ethylenimine | 151-56-4 | No numerical limit |
| Ethylidene norbornene | 16219-75-3 | Tightened |
| Fenamiphos (including vapour) | 22224-92-6 | Tightened |
| Fensulfothion (including vapour) | 115-90-2 | Tightened |
| Fenthion | 55-38-9 | Unchanged |
| Ferbam | 14484-64-1 | Tightened |
| Ferrovanadium dust | 12604-58-9 | Unchanged |
| Flour (cereal) dust | | New limit |
| Fluorides and compounds | | Unchanged |
| Fluorine | 7782-41-4 | Unchanged |
| Fonofos | 944-22-9 | Unchanged |
| Formaldehyde | 50-00-0 | Unchanged |
| Formamide | 75-12-7 | Unchanged |
| Formic acid | 64-18-6 | Unchanged |
| Furfural | 98-01-1 | Tightened |
| Furfuryl alcohol | 98-00-0 | Tightened |
| Gallium arsenide (respirable) | 1303-00-0 | New limit |
| Germanium tetrahydride | 7782-65-2 | Unchanged |
| Glutaraldehyde | 111-30-8 | Tightened |
| Glycerin mist | 56-81-5 | Unchanged |
| Glycidol | 556-52-5 | Unchanged |
| Glyoxal | 107-22-2 | New limit |
| Grain dust (oats, wheat, barley) | | Tightened |
| Graphite (all forms except fibres) (natural and synthetic) (respirable) | 7782-42-5 | Unchanged |
| Hafnium | 7440-58-6 | Unchanged |
| Halothane | 151-67-7 | Unchanged |
| Heptachlor | 76-44-8 | Removed: banned |
| Heptane (n-heptane) | 142-82-5 | Unchanged |
| Hexachlorobutadiene | 87-68-3 | Unchanged |
| Hexachlorocyclopentadiene | 77-47-4 | Unchanged |
| Hexachloroethane | 67-72-1 | Unchanged |
| Hexachloronaphthalene | 1335-87-1 | Unchanged |
| Hexafluoroacetone | 684-16-2 | Unchanged |
| Hexahydrophthalic anhydride | 85-42-7 | New limit |
| Hexane (n-hexane) | 110-54-3 | Raised |
| Hexane, other isomers | | Unchanged |
| Hexylene glycol | 107-41-5 | Unchanged |
| Hydrazine | 302-01-2 | No numerical limit |
| Hydrogen bromide | 10035-10-6 | Unchanged |
| Hydrogen chloride | 7647-01-0 | Tightened |
| Hydrogen cyanide | 74-90-8 | Unchanged |
| Hydrogen fluoride (as F) | 7664-39-3 | Tightened |
| Hydrogen peroxide | 7722-84-1 | Tightened |
| Hydrogen selenide (as Se) | 7783-07-5 | Unchanged |
| Hydrogen sulphide | 7783-06-4 | Unchanged |
| Hydrogenated terphenyls | 37275-59-5 | Tightened |
| Hydroquinone | 123-31-9 | Unchanged |
| Hydroxypropyl acrylate (all isomers) | 999-61-1, 25584-83-2 | Changed |
| Indene | 95-13-6 | Unchanged |
| Indium and compounds (except indium phosphide) | | Unchanged |
| Indium phosphide | 22398-80-7 | New limit |
| Iodine | 7553-56-2 | Tightened |
| Iodoform | 75-47-8 | Unchanged |
| Iron oxide fume (Fe2O3) (as Fe) | 1309-37-1 | Unchanged |
| Iron pentacarbonyl (as Fe) | 13463-40-6 | Tightened |
| Iron salts, soluble (as Fe) | 7439-89-6 | Unchanged |
| Isoamyl alcohol | 123-51-3 | Tightened |
| Isobutyl alcohol | 78-83-1 | Unchanged |
| Isocyanates, (poly-) (as-NCO) | 822-06-0, 4098-71-9, 5124-30-1, 101-68-8, 584-84-9, 91-08-7 | Changed |
| Isooctyl alcohol | 26952-21-6 | Unchanged |
| Isophorone | 78-59-1 | Unchanged |
| Isopropoxyethanol | 109-59-1 | Tightened |
| Isopropyl alcohol | 67-63-0 | Tightened |
| Isopropyl ether | 108-20-3 | Unchanged |
| Isopropyl glycidyl ether | 4016-14-2 | Unchanged |
| Isopropylamine | 75-31-0 | Unchanged |
| Kaolin | 1332-58-7 | Unchanged |
| Ketene | 463-51-4 | Unchanged |
| Lead arsenate (as Pb3(AsO4)2) | 3687-31-8 | Unchanged |
| Lead chromate (as Cr) | 7758-97-6 | No numerical limit |
| Lead, inorganic dusts and fumes (as Pb) | 7439-92-1 | Unchanged |
| Lindane | 58-89-9 | Unchanged |
| Lithium hydride | 7580-67-8 | Tightened |
| LPG (liquified petroleum gas) | 68476-85-7 | Unchanged |
| m-Phenylenediamine | 108-45-2 | Unchanged |
| m-Phthalodinitrile | 626-17-5 | Unchanged |
| m-Toluidine | 108-44-1 | Unchanged |
| m-Xylene-alpha,alpha'-diamine | 1477-55-0 | Unchanged |
| Magnesite | 546-93-0 | Unchanged |
| Magnesium oxide (fume) | 1309-48-4 | Unchanged |
| Malathion | 121-75-5 | Tightened |
| Maleic anhydride | 108-31-6 | Tightened |
| Man-Made Vitreous (Silicate) Fibres (MMVF) | | Unchanged |
| Manganese cyclopenta-dienyl tricarbonyl (as Mn) | 12079-65-1 | Unchanged |
| Manganese fume, dust and compounds (as Mn) | 7439-96-5 | Tightened |
| Mercury, alkyl compounds (as Hg) | | Unchanged |
| Mercury, aryl compounds (as Hg) | | Unchanged |
| Mercury, elemental vapour (as Hg) | 7439-97-6 | Unchanged |
| Mercury, inorganic divalent compounds (as Hg) | | Unchanged |
| Mercury, inorganic monovalent compounds (as Hg) | | Unchanged |
| Mesityl oxide | 141-79-7 | Tightened |
| Methacrylic acid | 79-41-4 | Unchanged |
| Methomyl | 16752-77-5 | Tightened |
| Methoxychlor | 72-43-5 | Unchanged |
| Methyl acetate | 79-20-9 | Unchanged |
| Methyl acetylene | 74-99-7 | Unchanged |
| Methyl acetylene-propadiene mixture | | Unchanged |
| Methyl acrylate | 96-33-3 | Tightened |
| Methyl alcohol | 67-56-1 | Tightened |
| Methyl bromide | 74-83-9 | Tightened |
| Methyl chloride | 74-87-3 | Tightened |
| Methyl demeton | 8022-00-2 | Unchanged |
| Methyl ethyl ketone | 78-93-3 | Raised |
| Methyl ethyl ketone peroxide | 1338-23-4 | Unchanged |
| Methyl formate | 107-31-3 | Tightened |
| Methyl hydrazine | 60-34-4 | Unchanged |
| Methyl iodide | 74-88-4 | Unchanged |
| Methyl isoamyl ketone | 110-12-3 | Tightened |
| Methyl isobutyl carbinol | 108-11-2 | Unchanged |
| Methyl isobutyl ketone | 108-10-1 | Tightened |
| Methyl isocyanate | 624-83-9 | Raised |
| Methyl isopropyl ketone | 563-80-4 | Tightened |
| Methyl mercaptan | 74-93-1 | Unchanged |
| Methyl methacrylate | 80-62-6 | Unchanged |
| Methyl n-amyl ketone | 110-43-0 | Unchanged |
| Methyl n-butyl ketone | 591-78-6 | Tightened |
| Methyl parathion | 298-00-0 | Tightened |
| Methyl propyl ketone | 107-87-9 | Tightened |
| Methyl silicate | 681-84-5 | Unchanged |
| Methyl-tert butyl ether | 1634-04-4 | Raised |
| Methylacrylonitrile | 126-98-7 | Unchanged |
| Methylal | 109-87-5 | Unchanged |
| Methylamine | 74-89-5 | Unchanged |
| Methylcyclohexane | 108-87-2 | Tightened |
| Methylcyclohexanol | 25639-42-3 | Unchanged |
| Methylcyclopentadienyl manganese tricarbonyl (as Mn) | 12108-13-3 | Unchanged |
| Methylene chloride | 75-09-2 | Unchanged |
| Metribuzin | 21087-64-9 | Unchanged |
| Mevinphos | 7786-34-7 | Tightened |
| Mica | 12001-26-2 | Unchanged |
| Mineral spirits (mineral turpentine) | 64742-82-1, 64742-95-6, 64742-48-9 | Tightened |
| Mineral spirits (white spirits) | 8052-41-3 | Tightened |
| Molybdenum | 7439-98-7 | Tightened |
| Monochloroacetic acid | 79-11-8 | Raised |
| Monocrotophos | 6923-22-4 | Tightened |
| Morpholine | 110-91-8 | Unchanged |
| n-Butyl acrylate | 141-32-2 | Unchanged |
| n-Butyl alcohol | 71-36-3 | Tightened |
| n-Butyl glycidyl ether | 2426-08-6 | Tightened |
| n-Butyl lactate | 138-22-7 | Unchanged |
| N-Ethylmorpholine | 100-74-3 | Unchanged |
| N-Isopropylaniline | 768-52-5 | Unchanged |
| N-Methyl aniline | 100-61-8 | Unchanged |
| n-Propyl nitrate | 627-13-4 | Changed |
| n-Valeraldehyde | 110-62-3 | Unchanged |
| N-vinyl-2-pyrrolidone | 88-12-0 | New limit |
| N,N-Dimethylaniline | 121-69-7 | Unchanged |
| N,N-Dimethylethylamine | 598-56-1 | Tightened |
| Naled | 300-76-5 | Tightened |
| Naphthalene | 91-20-3 | Changed |
| Nickel carbonyl (as Ni) | 13463-39-3 | Tightened |
| Nickel, metal and insoluble compounds (as Ni) | 7718-54-9, 13138-45-9, 7440-02-0, 14216-75-2 | Tightened |
| Nickel,soluble compounds (as Ni) | | Unchanged |
| Nicotine | 54-11-5 | Unchanged |
| Nitrapyrin | 1929-82-4 | Unchanged |
| Nitric acid | 7697-37-2 | Changed |
| Nitric oxide | 10102-43-9 | Tightened |
| Nitrobenzene | 98-95-3 | Unchanged |
| Nitroethane | 79-24-3 | Unchanged |
| Nitrogen dioxide | 10102-44-0 | Unchanged |
| Nitrogen trifluoride | 7783-54-2 | Unchanged |
| Nitroglycerine | 55-63-0 | Tightened |
| Nitromethane | 75-52-5 | Unchanged |
| Nitrous oxide | 10024-97-2 | Raised |
| Nonane | 111-84-2 | Unchanged |
| o-Anisidine | 90-04-0 | No numerical limit |
| o-Chlorobenzylidene malononitrile | 2698-41-1 | Tightened |
| o-Chlorostyrene | 2039-87-4 | Unchanged |
| o-Chlorotoluene | 95-49-8 | Unchanged |
| o-Dichlorobenzene | 95-50-1 | Unchanged |
| O-Ethyl O-(4-nitrophenyl) phenylphosphonothioate | 2104-64-5 | Tightened |
| o-Methylcyclohexanone | 583-60-8 | Unchanged |
| o-Phenylenediamine | 95-54-5 | Unchanged |
| o-sec-Butylphenol | 89-72-5 | Unchanged |
| o-Toluidine | 95-53-4 | Unchanged |
| Octachloronaphthalene | 2234-13-1 | Unchanged |
| Octane | 111-65-9 | Unchanged |
| Oil mist, refined mineral | 8012-95-1 | Unchanged |
| Osmium tetroxide (as Os) | 20816-12-0 | Changed |
| Other forms of asbestos | | Unchanged |
| Oxalic acid | 144-62-7 | Unchanged |
| Oxygen difluoride | 7783-41-7 | Unchanged |
| Ozone | 10028-15-6 | Unchanged |
| p-Anisidine | 104-94-9 | No numerical limit |
| p-Dichlorobenzene | 106-46-7 | Tightened |
| p-Nitroaniline | 100-01-6 | Unchanged |
| p-Nitrochlorobenzene | 100-00-5 | Unchanged |
| p-Phenylenediamine | 106-50-3 | Unchanged |
| p-tert-Butyltoluene | 98-51-1 | Unchanged |
| p-Toluidine | 106-49-0 | Unchanged |
| Paraffin wax (fume) | 8002-74-2 | Unchanged |
| Paraquat (respirable) | 4685-14-7 | Tightened |
| Parathion | 56-38-2 | Unchanged |
| PCBs (42% Chlorine) | 53469-21-9 | Unchanged |
| PCBs (54% Chlorine) | 11097-69-1 | Unchanged |
| Pentaborane | 19624-22-7 | Changed |
| Pentachloronaphthalene | 1321-64-8 | Unchanged |
| Pentachloronitrobenzene | 82-68-8 | Unchanged |
| Pentachlorophenol | 87-86-5 | Unchanged |
| Pentaerythritol | 115-77-5 | Unchanged |
| Pentane (all isomers) | 109-66-0, 463-82-1, 78-78-4 | Raised |
| Peracetic acid | 79-21-0 | New limit |
| Perchloroethylene | 127-18-4 | Tightened |
| Perchloromethyl mercaptan | 594-42-3 | Unchanged |
| Perchloryl fluoride | 7616-94-6 | Changed |
| Perfluoroisobutylene | 382-21-8 | Unchanged |
| Perlite dust | 93763-70-3 | Unchanged |
| Persulfates, ammonium- and alkali metal salts | 7727-54-0, 7727-21-1, 7775-27-1 | Tightened |
| Petrol (gasoline) | | Tightened |
| Phenol | 108-95-2 | Unchanged |
| Phenothiazine | 92-84-2 | Unchanged |
| Phenyl ether (vapour) | 101-84-8 | Unchanged |
| Phenyl glycidyl ether | 122-60-1 | Unchanged |
| Phenyl isocyanate | 103-71-9 | New limit |
| Phenyl mercaptan | 108-98-5 | Tightened |
| Phenylhydrazine | 100-63-0 | Unchanged |
| Phenylphosphine | 638-21-1 | Unchanged |
| Phorate | 298-02-2 | Changed |
| Phosgene | 75-44-5 | Raised |
| Phosphine | 7803-51-2 | Tightened |
| Phosphoric acid | 7664-38-2 | Unchanged |
| Phosphorus (yellow) | 7723-14-0 | Tightened |
| Phosphorus oxychloride | 10025-87-3 | Tightened |
| Phosphorus pentachloride | 10026-13-8 | Unchanged |
| Phosphorus pentasulfide | 1314-80-3 | Unchanged |
| Phosphorus trichloride | 7719-12-2 | Unchanged |
| Phthalic anhydride | 85-44-9 | Tightened |
| Picloram | 1918-02-1 | Unchanged |
| Picric acid | 88-89-1 | Unchanged |
| Pindone | 83-26-1 | Unchanged |
| Piperazine and salts | 142-64-3, 110-85-0 | Tightened |
| Piperidine | 110-89-4 | Unchanged |
| Platinum, metal | 7440-06-4 | Tightened |
| Platinum, soluble salts (as Pt) | | Unchanged |
| Polycyclic aromatic hydrocarbon (PAH) mixture when containing benzo[a]pyrene | 50-32-8 | No numerical limit |
| Polyvinyl chloride (respirable dust) | 9002-86-2 | New limit |
| Portland cement (respirable dust) | 65997-15-1 | Tightened |
| Potassium hydroxide | 1310-58-3 | Unchanged |
| Precipitated silica | 112926-00-8 | Unchanged |
| Propane sultone | 1120-71-4 | No numerical limit |
| Propane-1,2-diol total (vapour and particulates) | 57-55-6 | Tightened |
| Propargyl alcohol | 107-19-7 | Unchanged |
| Propionic acid | 79-09-4 | Unchanged |
| Propoxur | 114-26-1 | Unchanged |
| Propranolol | 525-66-6 | Unchanged |
| Propyl acetate (all isomers) | 108-21-4, 109-60-4 | Tightened |
| Propyl alcohol | 71-23-8 | Unchanged |
| Propylene dichloride | 78-87-5 | Unchanged |
| Propylene glycol dinitrate | 6423-43-4 | Tightened |
| Propylene glycol monomethyl ether | 107-98-2 | Unchanged |
| Propylene imine | 75-55-8 | Tightened |
| Propylene oxide | 75-56-9 | Tightened |
| Pyrethrum | 8003-34-7 | Tightened |
| Pyridine | 110-86-1 | Tightened |
| Quinone | 106-51-4 | Unchanged |
| Refractory Ceramic Fibres (RCF)(g), Special Purpose Glass Fibres(h) and other SMF not otherwise listed or that fail to meet the definition of low Biopersistence SMF(j) | | Unchanged |
| Resorcinol | 108-46-3 | Changed |
| Rhodium, insoluble compounds (as Rh) | | Unchanged |
| Rhodium, metal | 7440-16-6 | Unchanged |
| Rhodium, soluble compounds (as Rh) | | Unchanged |
| Ronnel (inhalable and vapour) | 299-84-3 | Tightened |
| Rosin core solder pyrolysis products (as formaldehyde) | | Unchanged |
| Rotenone (commercial) | 83-79-4 | Unchanged |
| Rouge dust | | Unchanged |
| sec-Butyl alcohol | 78-92-2 | Unchanged |
| sec-Hexyl acetate | 108-84-9 | Unchanged |
| Selenium compounds (as Se) excluding hydrogen selenide | | Unchanged |
| Selenium hexafluoride (as Se) | 7783-79-1 | Unchanged |
| Sesone | 136-78-7 | Unchanged |
| Silica Fume (thermally generated) (respirable dust) | 7631-86-9 | Unchanged |
| Silica, crystalline (respirable dust): quartz, cristobalite, tridymite, tripoli | 14464-46-1, 14808-60-7, 15468-32-3, 1317-95-9, 60676-86-0 | Unchanged |
| Silicon | 7440-21-3 | Unchanged |
| Silicon carbide (non-fibrous dust) | 409-21-2 | Tightened |
| Silicon tetrahydride | 7803-62-5 | Unchanged |
| Silver, metal | 7440-22-4 | Unchanged |
| Silver, soluble compounds (as Ag) | | Unchanged |
| Soapstone | | Unchanged |
| Soapstone (respirable dust) | | Unchanged |
| Sodium azide | 26628-22-8 | Unchanged |
| Sodium bisulphite | 7631-90-5 | Unchanged |
| Sodium fluoroacetate | 62-74-8 | Changed |
| Sodium hydroxide | 1310-73-2 | Unchanged |
| Sodium metabisulphite | 7681-57-4 | Unchanged |
| Starch | 9005-25-8 | Unchanged |
| Stearates | | Tightened |
| Stibine | 7803-52-3 | Unchanged |
| Strychnine | 57-24-9 | Unchanged |
| Styrene, monomer | 100-42-5 | Tightened |
| Subtilisins (Proteolytic enzymes as 100% pure crystalline enzyme) | 1395-21-7 | Unchanged |
| Sucrose | 57-50-1 | Unchanged |
| Sulfhur pentafluoride | 5714-22-7 | Unchanged |
| Sulfotep | 3689-24-5 | Unchanged |
| Sulfur dioxide | 7446-09-5 | Tightened |
| Sulfur hexafluoride | 2551-62-4 | Unchanged |
| Sulfur monochloride | 10025-67-9 | Unchanged |
| Sulfur tetrafluoride | 7783-60-0 | Unchanged |
| Sulfuric acid | 7664-93-9 | Tightened |
| Sulfuryl fluoride | 2699-79-8 | Unchanged |
| Sulprofos | 35400-43-2 | Tightened |
| Talc (respirable) (containing no asbestos fibres) | 14807-96-6 | Tightened |
| Tantalum, metal and oxide dusts | 7440-25-7 | Unchanged |
| Tellurium and compounds (as Te) | | Unchanged |
| Tellurium hexafluoride (as Te) | 7783-80-4 | Unchanged |
| Temephos | 3383-96-8 | Tightened |
| Terephthalic acid | 100-21-0 | New limit |
| Terphenyls | 26140-60-3 | Unchanged |
| tert-Butyl alcohol | 75-65-0 | Tightened |
| tert-Butyl chromate | 1189-85-1 | Unchanged |
| Tetrachloronaphthalene | 1335-88-2 | Unchanged |
| Tetraethyl lead (as Pb) | 78-00-2 | Unchanged |
| Tetraethyl pyrophosphate | 107-49-3 | Unchanged |
| Tetrafluoroethylene | 116-14-3 | New limit |
| Tetrahydrofuran | 109-99-9 | Tightened |
| Tetramethyl lead (as Pb) | 75-74-1 | Unchanged |
| Tetramethyl succinonitrile | 3333-52-6 | Unchanged |
| Tetranitromethane | 509-14-8 | No numerical limit |
| Tetrasodium pyrophosphate | 7722-88-5 | Unchanged |
| Tetryl | 479-45-8 | Unchanged |
| Thallium, soluble compounds (as Tl) | | Tightened |
| Thioglycolic acid | 68-11-1 | Unchanged |
| Thionyl chloride | 7719-09-7 | Tightened |
| Thiram | 137-26-8 | Unchanged |
| Tin, metal and inorganic compounds | 7440-31-5 | Unchanged |
| Tin, organic compounds (as Sn) | | Changed |
| Titanium dioxide | 13463-67-7 | Unchanged |
| Toluene | 108-88-3 | Tightened |
| Tributyl phosphate | 126-73-8 | Unchanged |
| Trichloroacetic acid | 76-03-9 | Unchanged |
| Trichloroethylene | 79-01-6 | Unchanged |
| Trichlorofluoromethane | 75-69-4 | Unchanged |
| Trichloronaphthalene | 1321-65-9 | Unchanged |
| Triethanolamine | 102-71-6 | Unchanged |
| Triethylamine | 121-44-8 | Tightened |
| Trifluorobromomethane | 75-63-8 | Unchanged |
| Triglycidylisocyanurate | 2451-62-9 | Unchanged |
| Trimellitic anhydride | 552-30-7 | Tightened |
| Trimethyl benzene (all isomers) | 25551-13-7 | Tightened |
| Trimethyl phosphite | 121-45-9 | Unchanged |
| Trimethylamine | 75-50-3 | Unchanged |
| Triorthocresyl phosphate | 78-30-8 | Unchanged |
| Triphenyl amine | 603-34-9 | Unchanged |
| Triphenyl phosphate | 115-86-6 | Unchanged |
| Tungsten | 7440-33-7 | Tightened |
| Turpentine (wood) | 8006-64-2 | Unchanged |
| Uranium (natural), soluble and insoluble compounds (as U) | | Changed |
| Urethane | 51-79-6 | No numerical limit |
| Vanadium (as V2O5), (respirable dust and fume) | 1314-62-1 | Unchanged |
| Vegetable oil mists (except castor oil, cashew nut or similar irritant oils) | | Unchanged |
| Vinyl acetate | 108-05-4 | Tightened |
| Vinyl bromide | 593-60-2 | No numerical limit |
| Vinyl chloride, monomer | 75-01-4 | No numerical limit |
| Vinyl cyclohexene dioxide | 106-87-6 | Unchanged |
| Vinyl toluene | 25013-15-4 | Tightened |
| Vinylidene chloride | 75-35-4 | Unchanged |
| Warfarin | 81-81-2 | Tightened |
| Welding fumes (not otherwise classified) | | Unchanged |
| Wood dust (certain hardwood such as beech) | | Unchanged |
| Wood dust (softwood) | | Tightened |
| Xylene (o-, m-, p- isomers) | 1330-20-7, 95-47-6, 108-38-3, 106-42-3 | Unchanged |
| Xylidine (all isomers) | 1300-73-8, 87-62-7, 87-59-2, 95-64-7, 95-68-1, 95-78-3, 108-69-0 | Unchanged |
| Yttrium, metal and compounds (as Y) | 7440-65-5 | Unchanged |
| Zinc chloride (fume) | 7646-85-7 | Changed |
| Zinc oxide (dust and fume) | 1314-13-2 | Tightened |
| Zirconium compounds (as Zr) | | Unchanged |