After nearly three decades of scientific review, regulatory reversals, and political hesitation, perchlorate is back on the EPA’s agenda—this time by court order. The Agency’s proposed national ...

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 ...

WASHINGTON – 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 ...

Having good neighbors can be very valuable—even in the atomic world. A team of Amsterdam physicists was able to determine an important property of strontium atoms, a highly useful element for modern ...