July 1, 2015

EPA Releases Endocrine Disruptor Screening Program Tier 1 Assessments

The release of the first Tier 1 assessments in the Endocrine Disruptor Screening Program (EDSP) by the U.S. Environmental Protection Agency (EPA) on June 30, 2015, is a significant bench-mark in the program since the original List 1 test orders were initially issued in October 2009.  Fifteen of the original 67 List 1 chemicals were subsequently cancelled or discontinued by the respective pesticide registrants.  The intended purpose of the Tier 1 screening was to identify...
February 17, 2015

EPA Releases Draft Guidelines for Endocrine Testing

On January 30, 2015, the U.S. Environmental Protection Agency (EPA) released drafts of new guidelines for animal testing of the endocrine disrupting effects of pesticides and other chemicals. The proposed guidelines outline how scientists can use Japanese quail, medaka fish, or amphibian larvae to conduct various endocrine tests. EPA reportedly also considered including mysid crustaceans on its list of non-mammals acceptable to use in endocrine testing, but did not because the data were not...