A list of known human carcinogens and suspected carcinogens can be found at the 12th Annual Report of Carcinogens- National Toxicology Program (2011).
http://ntp.niehs.nih.gov/?objectid=035E57E7-BDD9-2D9B-AFB9D1CADC8D09C1
A list of chemicals known to be human carcinogens is provided below. A list of suspected carcinogens can be found at the following web site.
http://ntp.niehs.nih.gov/ntp/roc/twelfth/ListedSubstancesReasonablyAnticipated.pdf
Names
and Synonyms of Carcinogens (http://ntp.niehs.nih.gov/ntp/roc/twelfth/ListedSubstancesKnown.pdf)
Aflatoxins
Alcoholic Beverage Consumption
4-Aminobiphenyl
Analgesic Mixtures Containing Phenacetin
(See Phenacetin and Analgesic Mixtures Containing Phenacetin)
Aristolochic Acids
Arsenic Compounds, Inorganic
Asbestos
Azathioprine
Benzene
Benzidine (See Benzidine and Dyes
Metabolized to Benzidine)
Beryllium and Beryllium Compounds
Bis(chloromethyl)Ether
and Technical-Grade Chloromethyl Methyl Ether
1,3-Butadiene
1,4-Butanediol Dimethanesulfonate
(Myleran®)
Cadmium and Cadmium Compounds
Chlorambucil
1-(2-Chloroethyl)-3-(4-methylcyclohexyl)-1-nitrosourea
(MeCCNU)
bis(Chloromethyl) Ether and
Technical-Grade Chloromethyl Methyl Ether
Chromium Hexavalent
Compounds
Coal Tar Pitches (See Coal Tars and Coal Tar Pitches)
Coal Tars (See Coal Tars and Coal Tar Pitches)
Coke Oven Emissions
Cyclophosphamide
Cyclosporin A
Diethylstilbestrol
Dyes Metabolized to Benzidine
(See Benzidine and Dyes Metabolized to Benzidine)
Erionite
Estrogens, Steroidal
Ethylene Oxide
Formaldehyde
Hepatitis B Virus
Hepatitis C Virus
Human Papillomas
Viruses: Some Genital-Mucosal Types
Melphalan
Methoxsalen with Ultraviolet A Therapy (PUVA)
Mineral Oils (Untreated and Mildly Treated)
Mustard Gas
2-Naphthylamine
Neutrons (See Ionizing
Radiation)
Nickel Compounds (See Nickel Compounds and Metallic
Nickel)
Radon (See Ionizing Radiation)
Silica, Crystalline (Respirable
Size)
Solar Radiation (See Ultraviolet Radiation Related
Exposures)
Soots
Strong Inorganic Acid Mists Containing Sulfuric Acid
Sunlamps or Sunbeds,
Exposure to (See Ultraviolet Radiation Related Exposures)
Tamoxifen
2,3,7,8-Tetrachlorodibenzo-p-dioxin
(TCDD); ″Dioxin″
Thiotepa
Thorium Dioxide (See Ionizing Radiation)
Tobacco Smoke, Environmental (See Tobacco Related
Exposures)
Tobacco Smoking (See Tobacco Related Exposures)
Tobacco, Smokeless (See Tobacco Related Exposures)
Ultraviolet Radiation, Broad Spectrum UV Radiation
(See Ultraviolet Radiation Related Exposures)
Vinyl Chloride
Wood Dust
X-Radiation and Gamma
Radiation (See Ionizing Radiation)
*Bold entries indicate new or changed listing in The
Report on Carcinogens, Twelfth Edition.