National Institute of Environmental

Fifth yinnualKeport on Carcinogens Summary 1989, NTP 89-239, U.S. Department of Health and Human Services (DHHS), National Toxicology Program (NTP) of the National Institute of Environmental Health Sciences, Research Triangle Park, N.C., 1989, pp. 24—30. 

National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina... 

Visithttp //ntp-support.niehs.nih.gov/Main Pages/Chem-HS.html. This is the site for the National Institute of Environmental Health Science. You will find MSDS-type chemical health and safety information from the National Toxicology Program. Chemical searches can be performed by chemical name, synonym, or CAS (Chemical Abstract Service) number. 

NIEHS National Institute of Environmental Health Seienees... 

The National Institute of Environmental Health Sciences (NIEHS) is the principal federal agency for biomedical research on the effects of chemical, physical, and biologic environmental agents on human health and well-being. ContactNAEiTS, PO Box 12233, 104 T.W. Alexander Drive, Research Triangle Park, NC 27709 Phone 919-541-3212. 

Dr. John E. Casida from the University of California Berkeley is inveshgating the fundamental basis for the selective toxicity of insecticides, including endosulfan, acting at the gamma-aminobutyric acid (GABA) receptor of mammals and insects. The research is sponsored by the National Institute of Environmental Health Sciences. 

SE gratefully acknowledges the contributions of his colleagues at GeneGo Inc. in the development of the software described. CNG acknowledges research support from EHS Center Grant P30-ES-06639 from the National Institute of Environmental Health Sciences. 

NTP. 1985. Trichloroethylene Reproduction and fertility assessment in CD-I mice when administered in the feed (CAS No. 79-01-6). Final report. Research Triangle Park, NC National Toxicology Program, National Institute of Environmental Health Sciences. NTP-86-068. 

These investigations were supported by Grants CA 26651 and CA 21951 awarded by the National Cancer Institute, DHHS, Research Career Development Award ES 00033 awarded by the National Institute of Environmental Health Sciences, DHHS, and the Ontario Cancer Research and Treatment Foundation. The collaboration of John S. Wlshnok and Kwanghee K. Park are gratefully acknowledged. 

K.S. Crump and W.W. Wilson. "A FORTRAN Program to Extrapolate Dichotomaus Animal Carcinogenicity Data to Low Dose." National Institute of Environmental Health Sciences. Contract No. l-ES-2123. August, 1979. 

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