EPA Science Panel Seeks Further Review Of Air Particle Rule

An EPA science advisory panel has taken the unusual move of clearing agency staff recommendations on pollution standards for larger air particles, known as "PM coarse," while reserving the right to further review the plan after it is sent to the agency administrator. The move highlights lingering scientific concerns about assessing the health risks of particulate matter emissions in various parts of the country. The particulate matter review panel of the agency's clean air scientific advisory committee (CASAC) held a...