Text For Citation: 01 Item/Group: 002 Hazard:

29 CFR 1910.119(e)(3)(iv): The process hazard analysis did not address the consequences of failure of engineering and administrative controls: For the ammonia process, as observed on or about/between 07/07/2016 - 08/31/2016, the employer's process hazard analysis and all revalidations did not address the failure of engineering controls such as, but not limited to, the following: a) Failure of Detcon ammonia detectors and alarm system was not addressed in the process hazard analyses that had been conducted. b) Failure of ammonia Sensidyne sensors that activated a deluge system was not addressed in the process hazard analyses that had been conducted. c) Failure of equipment interlocks via sensors/switches/controllers such as, but not limited to, Fisher 4160 pneumatic controller were not addressed in the process hazard analyses that had been conducted.