EPA COMPLETING WASTE CONCENTRATION LEVELS USING NEW RISK TOOL

EPA in June plans to release long-awaited concentration levels for more than 40 pollutants that will be used by the agency in determining whether a waste is hazardous under the Resource Conservation & Recovery (RCRA), agency sources say. The concentrations represent the first levels developed using a controversial risk model proposed by EPA as part of its hazardous waste identification rule (HWIR) for wastes, and will be used in guiding future rulemakings regulating the handling and disposal of wastes. The...