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

29 CFR 1910.119(d)(3)(i)(B): The employer did not include all equipment that was part of the process on piping and instrument diagrams: a. Engine room - On or about March 13, 2023, the employer failed to document the valves, gages, sight glasses, and controls on screw compressor RC 1. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. b. Engine room - On or about March 13, 2023, the employer failed to document the valves, gages, sight glasses, and controls on screw compressor RC 2. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. c. Engine room - On or about March 13, 2023, the employer failed to document the valves, gages, sight glasses, and controls on screw compressor RC 3. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. d. Engine room - On or about March 13, 2023, the employer failed to document the valves, gages, sight glasses, and controls on screw compressor RC 4. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. e. Engine room - On or about March 13, 2023, the employer failed to document the valves, gages, sight glasses, and controls on screw compressor RC 5. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. f. Engine room - On or about March 13, 2023, the employer failed to document the valves, gages, sight glasses, and controls on screw compressor RC 6. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. g. Building 2 west 2nd floor - On or about March 13, 2023, the employer had identified in the field Air Unit (AU) 89A as AU 88A on the P&ID's however the associated valves were still tagged as 89A on P&ID 22.3. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid. h. Behind building 2 - On or about March 13, 2023, the employer had not identified on the P&ID 22.3 the pump recirculation package there were 2 gages, 3 valves and an unknown item that was completely iced over. Failure to have accurate P&IDs could result in human error during operations and maintenance and employees not being able to identify or locate equipment in the event of an emergency resulting in exposure to anhydrous ammonia vapors and liquid.