USA - OEHHA Proposed to Update the NSRL for Ethylene Oxide

​The Office of Environmental Health Hazard Assessment (OEHHA) is proposing to update the Proposition 65 No Significant Risk Level (NSRL) for ethylene oxide. The proposed updated NSRL for ethylene oxide is 0.058 micrograms per day​.

Ethylene oxide is mainly used in agricultural product fumigant, disinfectant (hospital equipment), thermobaric weapons; organic chemical synthesis (ethylene glycol and higher glycols), production of detergents, solvents, plastics, adhesives, antifreeze, pharmaceuticals; component of tobacco smoke.​

The public comment period will end on May 23, 2023.​