A refrigeration warehousing company, which refrigerates various food products and citrus extract/oils and employs approximately 200 workers was cited for 13 safety violations, including one willful violation, for failing to follow the industry recognized and generally accepted good engineering practices for insulation removal and for failing to test the ammonia refrigeration system piping and pressure vessels. Twelve additional serious violations involve failing to maintain accurate and complete piping and instrument diagrams of the ammonia refrigeration systems, not completing actions items on the process safety hazard analysis and not training permanent and temporary workers on the emergency evacuation plan and alarm system for fire and ammonia releases. The facility employs temporary workers from two staffing agencies. The staffing companies do not supervise employees. Facility management is in charge of managing and has direct control of the temporary workers. OSHA did not issue citations to the staffing agencies. Here is breakdown of the citations: