EPA Air Study May Prompt Focus On Greater Mobile Source Controls

EPA's imminent release of a comprehensive air toxics assessment could lead to pressure from states and activists for additional regulation of the mobile source sector, because the data show the most significant cancer risk coming from benzene emissions that largely arise from vehicles, sources say. EPA is slated to announce the results of its latest National Air Toxics Assessment (NATA) based on 1999 data Jan. 11, according to an agency source. The NATA tracks emissions and estimated exposures from outdoor...