[CPEO-MEF] PERCHLORATE: EDF: "EPA’s safety standard for perchlorate in water should prioritize kids’ health"

[Lenny Siegel <lsiegel@cpeo.org>]

EPA’s safety standard for perchlorate in water should prioritize kids’ health

By Tom Neltner 
Environmental Defense Fund
May 7, 2019


The Environmental Protection Agency (EPA) will soon propose a drinking water standard for perchlorate. The decision – due by the end of May per a consent decree with the Natural Resources Defense Council (NRDC)— will end a nearly decade-long process to regulate the chemical that has been shown to harm children’s brain development.

In making its decision, EPA must propose a Maximum Contaminant Level Goal (MCLG) “at the level at which no known or anticipated adverse effects on the health of persons occur and which allows an adequate margin of safety.” It must also set a Maximum Contaminant Level (MCL) as close to the MCLG as feasible using the best available treatment technology and taking cost into consideration.

To guide that decision, EPA’s scientists developed a sophisticated model that considers the impact of perchlorate on the development of the fetal brain in the first trimester when the fetus is particularly vulnerable to the chemical’s disruption of the proper function of the maternal thyroid gland. As discussed more below, the model was embraced by an expert panel of independent scientists through a transparent, public process that included public comments and public meetings.

…

For the entire blog, see
http://blogs.edf.org/health/2019/05/07/epas-safety-standard-perchlorate-water-kids-health/

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Lenny Siegel
Executive Director
Center for Public Environmental Oversight
a project of the Pacific Studies Center
P.O. Box 998, Mountain View, CA 94042
Voice/Fax: 650/961-8918 
<lsiegel@cpeo.org>
http://www.cpeo.org

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