Risk Assessment

One of the most fundamental tenets of toxicology is that "the dose determines the poison." This simple phrase provides the basis for the belief that all agents—chemicals and physical phenomena…

Editors' Summary: Until recently, the regulation of chemical carcinogens and the regulation of radiological carcinogens developed independently. Different governmental agencies operating under…

New rules are emerging to change the way the government makes decisions about cleanup of hazardous waste sites under the Comprehensive Environmental Response, Compensation, and Liability Act (…