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NTP: Reasonably anticipated to be a human carcinogen

Cancer classification (carcinogen classification) is a system by which hazardous substances are rated on their potential to cause cancer in humans. The classification is based mostly on animal studies and could change as scientific information improves. Several organizations determine cancer classifications. The classification listed below was published by the U.S. Department of Health and Human Services National Toxicology Program in its Report on Carcinogens.

The substances listed below have been found scientifically to be reasonably anticipated to be a human carcinogens. This classification is based on limited evidence of carcinogenicity from studies in humans.

Please contact NTP with questions on cancer and cancer classification.

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