The Environmental Protection Agency says it will propose a drinking water limit for perchlorate, a chemical in certain explosives and propellants.

The agency crafted the proposal to adhere to a 2023 D.C. Circuit decision, despite its opinion that the toxic chemical is not prevalent enough warrant the potential costs of testing for it.

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 ...

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 ...