PROPOSED PM STANDARDS IGNITE DEBATE ON STRINGENCY, MONITORING

Proposed new standards for particulate matter (PM) EPA unveiled Dec. 21 are already touching off a debate over the adequacy of the limits and how to measure compliance with them, after EPA called for tightening the current daily fine particulate matter (PM2.5) standard but declined to endorse more stringent controls agency staff recommended. Relevant documents are available on InsideEPA.com. Environmentalists and some state officials are criticizing the agency's proposal, claiming it ignores EPA staff recommendations that the agency either issue...