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Contaminant-Related Activities and Synoptic Reviews in Support of Client Agencies in the Department of the Interior

Barnett A. Rattner
USGS Patuxent Wildlife Research Center


Represents the Department of the Interior on the Interagency Testing Committee of the Toxic Substances Control Act that was enacted in 1976.

Toxic Substance Control Act (TSCA) Section 2 states:
that adequate data should be developed with respect to the effects of chemical substances and mixtures on health and the environment, and the development of such data is the responsibility of those who manufacture and process such chemicals and mixtures

TSCA established an Interagency Testing Committee (ITC) as an independent advisory group to the Administrator of the EPA

What does the ITC do?

What has it accomplished in 20 years?

This past year, the ITC “recommended” 28 alkylphenols and ethoxylates, and 18 nonylphenol ethoxylates, because of data needs on

(i) chemical composition (major components and impurities)

(ii) environmental fate of components and impurities

(iii) health and ecological effects (i.e., toxicokinetics and endocrine-modulating effects)

By law this action requires that all manufacturers and importers of these chemicals submit production and exposure data, and results of health and safety testing for our review. Pending review of these data, additional testing of the chemicals may be “designated” by the ITC.