After nearly three decades of scientific review, regulatory reversals, and political hesitation, perchlorate is back on the ...

WASHINGTON (AP) — The Environmental Protection Agency on Monday said it would propose a drinking water limit for perchlorate, a harmful chemical in rockets and other explosives, but also said doing so ...

This is read by an automated voice. Please report any issues or inconsistencies here. EPA will propose drinking water limits for perchlorate, a rocket chemical, only after a federal court forced the ...

FILE - A sign is posted outside a water well indicates perchlorate contamination at a site in Rialto, Calif., March 28, 2005. WASHINGTON (AP) — The Environmental Protection Agency on Monday said it ...