SYMPOSIA PAPER Published: 01 January 1996
STP15574S

Testing Decisions of The TSCA Interagency Testing Committee for Chemicals on The Canadian Environmental Protection Act Domestic Substances List and Priority Substances List: Di- -butylphenol, Ethyl Benzene, Brominated Flame Retardants, Phthalate Esters, C

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In 1976, under section 4(e) of the Toxic Substances Control Act (TSCA), the U.S. Congress created the TSCA Interagency Testing Committee (ITC) to decide which chemicals should be recommended to the Administrator of the U.S. Environmental Protection Agency for testing. In 1988, under the Canadian Environmental Protection Act (CEPA), the Government of Canada created the Domestic Substances List and Priority Substances List. This paper briefly describes the ITC, the different ITC testing decisions and a few of the ITC's 11,150 testing decisions for the 21,413 chemicals on the CEPA Domestic Substances List and some of the 24 testing decisions for the 44 chemicals and chemical groups on the CEPA Priority Substances List. The paper describes the approaches and rationales that the ITC used to make testing decisions for these chemicals on the CEPA Domestic Substances List or the CEPA Priority Substances List so that Canadians and others who need to prioritize chemicals for testing or risk reduction may apply or modify the principles used by the ITC. Also described, for the first time, for chemicals on the CEPA Domestic Substances List or the CEPA Priority Substances List, are some of the chemical fate and aquatic toxicity data that were developed during and as a result of ITC's decisions, e.g., the aquatic toxicity and chemical fate data for di-tert-butylphenol, ethyl benzene, brominated flame retardants, phthalate esters, chloroparaffins, chlorinated benzenes and anilines.

Author Information

Walker, JD
TSCA Interagency Testing Committee, Office of Pollution Prevention & Toxics (7401), U.S. Environmental Protection Agency, Washington, DC
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Details
Developed by Committee: E47
Pages: 18–54
DOI: 10.1520/STP15574S
ISBN-EB: 978-0-8031-5324-0
ISBN-13: 978-0-8031-1998-7