Early EPA ToxCast Results Raise Doubts About EDSP Chemicals' Risks

Preliminary, unpublished results from EPA's computational toxicology research program, ToxCast, suggests that the majority of the 67 pesticide ingredients EPA is going to order tested in the first round of its endocrine disruptor screening program (EDSP) will not interact with human thyroid hormones -- one of three human hormones considered in EDSP. But the results indicate that some of the chemicals could interact with estrogen and androgen hormones -- the other two human hormones considered in EDSP. The findings, presented...