EPA Staff Push Agency For Tighter Particulate Pollution Controls

EPA staff are pushing agency managers to support a tightening of the proposed ambient fine particulate matter (PM2.5) standard floated by the agency late last year, arguing that stricter standards would not force the agency to amend strategies such as its Clean Air Interstate Rule (CAIR), which officials have argued is adequate in many localities to ensure attainment with existing standards. However, some sources say any efforts to tighten the proposed limits could face an uphill battle within the Bush...