Text For Citation: 01 Item/Group: 006 Hazard:

29 CFR 1910.119(i)(1): Pre-startup safety review was not performed when modifications to existing facilities significant enough to require a change in the process safety information were made: At a worksite at 832 E 3rd Street, Milan, MO 64556: The employer failed to protect employees from hazards related to highly hazardous chemicals at the facility. This was last demonstrated on or about May 13, 2024, and at times prior thereto, when the pre-startup safety review (PSSR) did not confirm that all of the subsection (i)-(iv) involved in operating a process had been completed prior to the introduction of highly hazardous chemicals to the process. Employees engaged in repairing, replacing, operating, inspecting, testing, and maintaining the covered process equipment were exposed to toxic, cryogenic, and fire hazards in the event of an anhydrous ammonia release. a) A Management of Change (MOC) completed June 6, 2023, for "MC-34412" showed a change was performed to optimize the plate freezer cooling - defrost sequencing the valve timers will be adjusted to optimize the operation of the units. Documentation of the set points for the timers will be noted and creation of Plate Freezer Operation procedure. A PSSR was not performed for the associated MOC by the employer. b) A Management of Change (MOC) completed June 12, 2023, for "MC-34409" showed a change was performed to E-46 Freezer 2 unit is being removed from the system. A PSSR was not performed for the associated MOC by the employer. c) A Management of Change (MOC) completed June 5, 2023, for "MC-33775" showed a change was performed to Upgrade and bring the engine room ventilation and detection system up to code. Attaching full scope of work - demo old ventilation system installing two new exhaust fans, occupancy fan, detection system, controls, strobes and horns. A PSSR was not performed for the associated MOC by the employer. d) A Management of Change (MOC) completed March 15, 2024, for "MC-158956" showed a change was performed to Installing 2 solenoid king valves in engine room on the HPL line from HPR/Condensers to CPR & MTR along with 2nd valve to isolate compressor liquid cooling lines. A PSSR was not performed for the associated MOC by the employer.