1 |
Acids, inorganic |
2 |
Acids, organic (limited to C, H and O composition) |
3 |
Alcohols, hydrocarbons, ketones and esters |
4 |
Aldehydes |
5 |
Alkali and alkaline earth metals and related compounds |
6 |
Amides, inorganic |
7 |
Amides, organic |
8 |
Amines, aliphatic |
9 |
Amines, aromatic |
10 |
Aromatic halogenated amines and nitro-compounds |
11 |
Arsenic, antimony and bismuth compounds |
12 |
Asbestos: Crocidolite (Blue), Amosite (Brown), Chrysotile (White) |
13 |
Azides |
13A |
Diazonium salts |
14 |
Barium and strontium compounds |
15 |
Beryllium salts |
16 |
Carbides |
17 |
Carbon disulphide |
18 |
Caustic alkali and ammonia |
19 |
Cellulose nitrate and celluloid |
20 |
Chlorohydrins and nitroparaffins |
21B |
Thiocyanates |
21 |
Cyanides and nitriles |
21A |
Isocyanates |
22 |
Ethers |
23 |
Gases other than hydrocarbons |
24 |
Halogenated solvents |
25 |
Hydrazines |
26 |
Hydrides |
27 |
Inorganic halides |
28 |
Inorganic salts |
29 |
Inter non-metallic compounds |
30 |
Lead, cadmium and thallium compounds |
31 |
Liquid refrigerants and liquefied gases |
32 |
Mercaptans and organic sulphides |
32A |
Carbamates (including thio and dithio compounds) |
33 |
Mercury and mercury compounds |
34 |
Metal carbonyls |
35 |
Organic acid halides |
36 |
Organic halogens and related compounds |
37 |
Organic phosphates and related compounds |
37A |
Phosphides |
38 |
Oxidizing agents |
39 |
Peroxides, inorganic |
40 |
Peroxides, organic |
41 |
Phosphorus, red, white and yellow |
42 |
Reducing substances |
43 |
Selenium, tellurium and their compounds |
44 |
Substituted organic acids |
45 |
Sulphides, inorganic |
46 |
Vanadium compounds |
47 |
Miscellaneous chemicals |
48 |
Infectious substances, risk of airborne infection |
49 |
Infectious substances, airborne infection unlikely |
50 |
Radioactive substances |
51 |
Pesticides |