New substances added to HHS Report on Carcinogens The U.S.
Department of Health and Human Services today added eight
substances to its Report on Carcinogens, a science-based
document that identifies chemicals and biological agents that
may put people at increased risk for cancer. The industrial
chemical formaldehyde and a botanical known as aristolochic
acids are listed as known human carcinogens. Six other
substances captafol, cobalt-tungsten carbide (in powder or hard
metal form), certain inhalable glass wool fibers,
o-nitrotoluene, riddelliine, and styrene are added as substances
that are reasonably anticipated to be human carcinogens. With
these additions, the 12th Report on Carcinogens now includes 240
listings. It is available at ntp.niehs.nih.gov/go/roc12 .
"Reducing exposure to cancer-causing agents is something we all
want, and the Report on Carcinogens provides important
information on substances that pose a cancer risk," said Linda
Birnbaum, Ph.D., director of both the National Institute of
Environ