According to the Environmental Protection Agency (EPA), PFOA is a likely carcinogen.

Nastri even states that diesel exhaust is a likely carcinogen.

A few days later, the majority of the E.P.A.'s scientific review panel advised the agency that the chemical should be classified as a "likely" carcinogen.

If the E.P.A. decides to classify a chemical as a "likely" carcinogen, it would be required to conduct a full human health risk assessment for cancer.

It is classified as a likely human carcinogen by the United States Environmental Protection Agency (EPA.)

Diesel exhaust has been classified by EPA as a likely human carcinogen.

PCB's, formerly used in oil because they resist heat, are now recognized as a likely human carcinogen.

Additionally, seven of the ten pesticides most commonly sprayed on cotton are on the EPA's list of known, probable, or likely human carcinogens.

Dioxins have been characterized by EPA as likely human carcinogens and are anticipated to increase the risk of cancer at background levels of exposure.

Epichlorohydrin is classified by several international health research agencies and groups as a probable or likely human carcinogen in humans.