For the agency to consider a substance a hazardous constituent, it has to be toxic or cause cancer, genetic mutation or the malformations of an embryo.

It comes as officials, business leaders and scientists gather in Uruguay this week to discuss the next phase in the UN Global Framework on Chemicals.

Congresswoman Jennifer McClellan and Sen. Edward J. Markey reintroduced legislation to remove toxic substances from American schools.

The Environmental Protection Agency said Friday it is designating some toxic industrial compounds used in cookware, carpets and firefighting foams as hazardous substances under the so-called ...

California shouldn’t weaken hazardous waste rules to allow local landfills to accept toxic dirt that currently goes to two specialized disposal sites in the Central Valley and hazardous ...

Here are the landfills that could take toxic waste from the L.A. wildfires in the coming weeks — many have not accepted hazardous materials in the past.

An explosion and a large orange toxic cloud erupted late Friday at the FrieslandCampina factory site in Borculo after a ...

The board that oversees California’s toxic substances agency unanimously voted Thursday to remove a controversial proposal that would have weakened a state hazardous waste disposal rule ...