Carcinogens are substances known to cause cancer. They include:
Brain
Nasopharynx / nasal cavity
- nickel
- wood dust
- chromium
Thyroid
Skin
- arsenic
- coal tars
- polyaromatic hydrocarbons (PAH)
Lungs
- arsenic
- asbestos
- chloromethyl ethers
- chromium
- coke-oven emissions
- hydrocarbons
- mustard gas
- nickel
- inhaled ionizing radiation (radon)
Liver
- arsenic
- vinyl chloride
Gastrointestinal/abdominal
Hematopoietic system
- benzene
- ionizing radiation
Bladder
- aromatic amines (e.g. beta naphthylamine)
- dyes (e.g. benzidine)