The EPA proposed Aug. 6 to grant New Hampshire’s petition to withdraw from the Ozone Transport Region, a multistate air quality coordination body established under the Clean Air Act to address pollution that crosses state borders. The agency is simultaneously proposing to conditionally approve New Hampshire’s request to remove its

The Environmental Protection Agency released a Protocol for Developing the Fluoride Human Health Toxicity Assessment on Aug. 3, advancing an expedited scientific review that could ultimately lead to the most significant change to U.S. public water standards in decades. The protocol defines the scientific methodology EPA will use to evaluate

The EPA released the Protocol for Developing the Fluoride Human Health Toxicity Assessment, a pivotal step in its expedited review of public health risks from fluoride in drinking water under the Safe Drinking Water Act, on Aug. 3. The toxicity assessment protocol sets the scientific methodology EPA will use to

The Environmental Protection Agency proposed granting New Hampshire’s petition to withdraw from the Ozone Transport Region, a multi-state regulatory framework designed to reduce ground-level ozone pollution across the Northeast and Mid-Atlantic, on Aug. 6. The EPA simultaneously proposed removing New Hampshire’s vehicle inspection and maintenance program, a significant deregulatory action

The Environmental Protection Agency proposed to withdraw New Hampshire from the Ozone Transport Region and separately ease the state’s vehicle inspection and maintenance program mandate on Aug. 6. The actions would be the first of their kind in the regional air quality program’s history. The Ozone Transport Region is a

The Environmental Protection Agency released a protocol for an expedited review of fluoride’s human health toxicity on Aug. 3. The step could ultimately lead to changes in federal drinking water standards affecting approximately 200 million Americans who receive fluoridated water. The review addresses the public health risks associated with fluoride

The Environmental Protection Agency announced it has released the protocol for developing its human health toxicity assessment of fluoride on Aug. 3, marking a key milestone in an expedited review that could reshape water fluoridation policy for virtually every community in America with a municipal water system. The fluoride review

The EPA’s largest research vessel, Lake Guardian, on Aug. 3 launched its annual summer water quality and food-web survey of all five Great Lakes, the primary source of long-term monitoring data for an ecosystem that supplies drinking water to more than 30 million Americans. The month-long survey will cover Lake

The Environmental Protection Agency on Aug. 3 released the Protocol for Developing the Fluoride Human Health Toxicity Assessment, a key milestone in its expedited review of public health risks from fluoride in drinking water. The protocol sets out the scientific roadmap for how the formal toxicological review will be conducted.

The Environmental Protection Agency released a scientific protocol for evaluating fluoride risks in drinking water on Aug. 3, advancing a formal review that could result in revised fluoridation standards for community water systems across the United States. The document, titled the Protocol for Developing the Fluoride Human Health Toxicity Assessment,