EPA Urged To Bolster EtO Monitors As Study Finds Modeling Limits

Experts are urging EPA and other regulators to bolster monitoring of ethylene oxide (EtO) emissions after a study they funded using mobile monitors found ambient concentrations of the hazardous air pollutant (HAP) at levels more than nine times higher than EPA modeling projected for Louisiana’s “cancer alley.” “Accurate measurements of ethylene oxide are needed to understand exposure and cancer risks for communities near to petrochemical facilities.” Peter DeCarlo, an associate professor of Environmental Health and Engineering at Johns Hopkins Whiting...