EPA May Broaden State Exemption Power Under Haze Control Plan

EPA and the White House Office of Management & Budget (OMB) are debating criteria for exempting individual pollution sources from new visibility requirements, amid indications that EPA's upcoming final visibility rule may give states more discretion than EPA previously proposed in deciding whether a specific facility should be regulated, according to agency and other sources. An agency source says EPA may increase the number of days a facility is likely to cause visibility effects without being subject to new emissions...