Touting Flexibility, CSB Opens Incident Reviews On High-Profile Chemicals

The Chemical Safety and Hazard Investigation Board (CSB) is launching investigations of two 2023 facility accidents, a move the agency says shows its greater capacity for discretionary reviews after clearing a years-long backlog -- and which could put a fresh spotlight on high-profile chemicals regulators have struggled to address for years: ethylene oxide (EtO) and hydrogen fluoride (HF). CSB announced on April 4 that it will investigate a Jan. 23, 2023 release of HF and chlorine at a Honeywell facility...