List of Chemical Carcinogens-
| Carcinogens | Site of cancer | |
| Chemical mixtures | Soots,tars,oils Cigarette smoke |
Skin, lungs Lungs |
| Industrial chemicals | Benzidine Nickel compound Arsenic Vinyl choride |
Urinary bladder Lungs, nasal sinuses Skin, Lungs Liver |
| Drugs | Mustard gas Phenacetin |
Lungs Renal pelvis |
| Naturally occuring compounds | Cyclomates Nitroso compounds |
Bladder Oesophagus, Liver,Kidney, stomach |