The Environmental Protection Agency announces a plan to regulate perchlorate

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From Water World (Patrick Crow):

The decision to undertake a first-ever national standard for perchlorate reverses a 2008 Bush Administration decision and comes after EPA Administrator Lisa Jackson ordered EPA scientists to make a thorough review of the chemical. The agency said more than 4% of public water systems have detected perchlorate and between 5 million and 17 million people may be served drinking water containing perchlorate.

Perchlorate is both a naturally occurring and man-made chemical best known for its use as rocket fuel ingredient. EPA said research indicates that it may impact the normal function of the thyroid, which produces important developmental hormones.

More perchlorate coverage here and here.

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