All six asbestos mineral types are known to be human carcinogens.

Studies show the chemical causes cancer in some animals and, therefore, must be considered a potential human carcinogen.

It is a known human carcinogen and has largely been replaced by less toxic compounds.

It is reasonably expected to be a human carcinogen.

Acetamiprid is classified as unlikely to be a human carcinogen.

In those cases, the report said, it makes no sense to classify the chemical as a potential human carcinogen.

All 23 recognized human carcinogens are also carcinogenic in animals.

He also reviewed the literature on known human carcinogens.

Lead is considered a possible human carcinogen based on evidence from animal studies.

In December the agency added ultraviolet light to the list of what are considered human carcinogens.