HHCs as it applies to ethylene oxide (ETO).

OSHA interpretation letter from 1993 responding to a request on whether the Process Safety Management standard, 29 CFR 1910.119, applies to ethylene oxide facilities in Spartanburg, South Carolina and El Paso, Texas. It states that a storage room and process area with a combined quantity of 5,000 pounds or more of ETO is considered one covered process, and describes blast resistant walls of…