Griseofulvin H HC Blue No. 1 Heptachlor Hexachlorobenzene Hexachloroethane Hexachlorocyclohexanes Hexamethylphosphoramide (HMPA) 2,4-Hexadienal Human immunodeficiency virus type 2 (infection with) Human papillomavirus types 26, 53, 66, 67, 70, 73, 82 Human papillomavirus types 30, 34, 69, 85, 97 Human papillomavirus types 5 and 8 (in patients with epidermodysplasia verruciformis) Hydrochlorothiazide 1-Hydroxyanthraquinone I Indeno[1,2,3-cd]pyrene Indium tin oxide Iron-dextran complex Isoprene J JC polyomavirus (JCV) K Kava extract L Lasiocarpine Lead M Magnetic fields (extremely low frequency) MeA-α-C (2-Amino-3-methyl-9H-pyrido[2,3-b]indole) Medroxyprogesterone acetate MeIQ (2-Amino-3,4-dimethylimidazo[4,5-f]quinoline) MeIQx (2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline) Melamine Merphalan Methylarsonic acid 2-Methylaziridine (Propyleneimine) Methylazoxymethanol acetate 5-Methylchrysene 4,4'-Methylene bis(2-methylaniline) 4,4'-Methylenedianiline Methyleugenol 2-Methylimidazole 4-Methylimidazole Methyl isobutyl ketone Methylmercury compounds 2-Methyl-1-nitroanthraquinone (uncertain purity) N-Methyl-N-nitrosourethane Methylthiouracil α-Methylstyrene Metronidazole Michler's base (4,4'-methylene-bis(N,N-dimethyl)benzenamine) Michler's ketone (4,4'-bis(dimethylamino)benzophenone) Microcystin-LR Mirex Mitomycin C Mitoxantrone Molybdenum trioxide 3-Monochloro-1,2-propanediol (3-MCPD) Monocrotaline 5-(Morpholinomethyl)-3-[(5-nitrofurfurylidene)amino]-2-oxazolidinone β-Myrcene N Nafenopin Naphthalene Nickel, metallic and alloys Niridazole Nitrilotriacetic acid and its salts 5-Nitroacenaphthene 2-Nitroanisole 3-Nitrobenzanthrone Nitrobenzene Nitrofen (technical-grade) 2-Nitrofluorene 1-[(5-Nitrofurfurylidene)amino]-2-imidazolidinoneN-[4-(5-Nitro-2-furyl)-2-thiazolyl]acetamide Nitrogen mustard N-oxide Nitromethane 2-Nitropropane 4-Nitropyrene N-Nitrosodi-n-butylamine N-Nitrosodiethanolamine N-Nitrosodi-n-propylamine 3-(N-Nitrosomethylamino)propionitrile N-Nitrosomethylethylamine N-Nitrosomethylvinylamine N-Nitrosomorpholine N-Nitrosopiperidine N-Nitrosopyrrolidine N-Nitrososarcosine O Ochratoxin A Oil Orange SS Oxazepam P Palygorskite (attapulgite) (long fibres, >5 µm) Panfuran S (containing dihydroxymethylfuratrizine) Parathion Pentosan polysulfate sodium Perfluorooctanoic acid Phenazopyridine hydrochloride Phenobarbital Phenolphthalein Phenoxybenzamine hydrochloride Phenyl glycidyl ether Phenytoin PhIP (2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine) Polychlorophenols and their sodium salts (mixed exposures) Ponceau MX Ponceau 3R Potassium bromate Primidone Progestins Progestogen-only contraceptives β-Propiolactone Propylene oxide Propylthiouracil Pulegone Pyridine Q Quinoline R Radiofrequency electromagnetic fields, such as, but not limited to, those associated with wireless phones Refractory ceramic fibres Riddelliine S SafroleSchistosoma japonicum (infection with) Silicon carbide, fibrous Sodium ortho-phenylphenate Special-purpose fibres such as E-glass and '475' glass fibres Sterigmatocystin Streptozotocin Sulfasalazine Sulfallate T 1,1,1,2-Tetrachloroethane 1,1,2,2-Tetrachloroethane Tetrachlorvinphos Tetrahydrofuran Tetranitromethane Thioacetamide 4,4'-Thiodianiline 2-Thiouracil Titanium dioxide Toluene diisocyanates Toxaphene (Polychlorinated camphenes) Triamterene Trichlormethine (Trimustine hydrochloride) Trichloroacetic acid 2,4,6-Trichlorophenol Trp-P-1 (3-Amino-1,4-dimethyl-5H-pyrido[4,3-b]indole) Trp-P-2 (3-Amino-1-methyl-5H-pyrido[4,3-b]indole) Trypan blue U Uracil mustard V Vanadium pentoxide Vinyl acetate 4-Vinylcyclohexene 4-Vinylcyclohexene diepoxide Z Zalcitabine Zidovudine (AZT) MixturesAloe vera, whole leaf extract Bitumens, occupational exposure to straight-run bitumens and their emissions during road paving Bitumens, occupational exposure to hard bitumens and their emissions during mastic asphalt work Carrageenan, degraded (Poligeenan) Chlorinated paraffins of average carbon chain length C12 and average degree of chlorination approximately 60% Diesel fuel, marine Engine exhaust, gasoline Fuel oils, residual (heavy)Fusarium moniliforme'', toxins derived from (fumonisin B1, fumonisin B2, and fusarin C) Gasoline Goldenseal root powder Magenta dyes (CI Basic Red and fuchins) Pickled vegetables (traditional in Asia) Toxaphene (Polychlorinated camphenes)