EPA Retains Strict EtO Risk Value But Waters Down Controls In MON Rule

June 1, 2020
EPA’s just-released air toxics rule for the miscellaneous organic chemical manufacturing (MON) sector retains the agency’s strict risk values for the carcinogenic solvent ethylene oxide (EtO) while rejecting, for now, Texas’ weaker values, but the rule still weakens air control mandates and expected cuts in EtO emissions that it earlier proposed. In the final rule , signed by EPA Administrator Andrew Wheeler May 29 but not yet published in the Federal Register , EPA retreats from earlier proposed controls that...

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