TSCA authorizes EPA to treat chemicals as a “category” if they are “similar ... of their similarities in persistence, mobility, and toxicity and the potential for all PFAS to cause the ...

US EPA struggles to replace animal tests for pesticide toxicity Nonanimal approaches have been available for years, but regulators are slow to adopt them by Britt E. Erickson ...

EPA toxicity drafts point that way. Updated: Nov. 20, 2021, 9:36 a.m. ... By law, the EPA is required to take economic and technical feasibility into account when finalizing MCLs.

Petition sought studies of several PFAS Agency to require chemical manufacturers to fund the study of toxicity of 24 categories ... opens new tab urged the EPA to use its untapped power under ...

The EPA said that it had granted a petition filed by six environmental groups calling upon the agency to test the toxicity of 54 ... tested directly under the category-based strategy.

In 2016, after IRIS assessed the toxicity of chloroprene, one of the chemicals coming out of the plant’s smokestacks, the people of St. John discovered the main source of their problems.

Some pollutants such as lead, benzene, and ozone are well studied, enabling the EPA to characterize their hazards and risks ... The report draws on lessons learned from laboratory mammalian toxicity ...

The assessments, formalized by the US Environmental Protection Agency (EPA), are based on scientific data, but the process—as well as the IRIS entries—have been widely criticized. A review of the ...

The case that was decided, Food & Water Watch Inc. v. EPA, came about after the EPA denied a 2016 petition calling for the agency to ban or limit the fluoridation of drinking water. Food & Water Watch ...