Text For Citation: 01 Item/Group: 001B Hazard:

29 CFR 1910.119(d)(3)(ii): The employer did not document that equipment complies with recognized and generally accepted good engineering practices: On or about November 20, 2023, for the Powerhouse ammonia refrigeration system equipment, the employer had not installed systems and equipment to comply with RAGAGEP that protected employees from ammonia exposure and to prevent the accumulation of explosive concentrations of ammonia vapor in the event of a catastrophic release. RAGAGEP compliant systems and equipment for this purpose, include, an ammonia detection system that is alarmed and initiates mechanical ventilation system(s) to an appropriate protective level, remote emergency ammonia refrigeration system shutdown at locations proximate to exit doors and continuous emergency level mechanical ventilation that is alarmed when turned off or in the event of failure.