Report on Carcinogens (RoC)

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The RoC is an informational scientific and public health document first ordered by Congress in 1978 that identifies and discusses agents, substances, mixtures, or exposure circumstances that may pose a hazard to human health by virtue of their carcinogenicity. The RoC is published biennially and serves as a meaningful and useful compilation of data on:

  1. The carcinogenicity (ability to cause cancer), genotoxicity (ability to damage genes), and biologic mechanisms (modes of action in the body) of the listed substance in humans and/or animals.
  2. The potential for human exposure to these substances.
  3. Federal regulations to limit exposures.

For more background information please select Questions & Answers about the RoC.

View the most recent edition of the RoC (11th) on-line or download a copy as a zipped file (30 mb).

View the review process for the 12th RoC.