Major Criticisms Prompt EPA To Adjust Water Quality Criteria Calculations

EPA has modified its calculation of drinking water intake rates in newly updated water quality criteria for 94 chemicals, responding to criticism from states and water industry groups that the agency's proposed calculation was not reflective of actual health risk -- although EPA left unchanged other calculations that commenters also opposed. EPA June 29 released its updated national recommended water quality criteria for human health for 94 chemical pollutants, including agricultural and industrial chemicals. The updated recommendations are intended to...