There is a persistent misconception in the agricultural ammonia world that bulk distribution facilities with large bullet tanks are “exempt” from federal process safety rules. This belief often comes from partial or outdated interpretations of OSHA and EPA exemptions. In reality, while certain exemptions do exist, they are narrow, and misunderstanding them can leave facilities unintentionally out of compliance. This article explains how anhydrous ammonia is used in agriculture, and why...

OSHA has finalized updates to its Walking-Working Surfaces and Fall Protection standards that affect how fixed ladders over 24 feet are protected in the general industry. For ammonia refrigeration facilities, the most common impact is not a single piece of equipment, but fixed ladders that provide access to rooftops where ammonia piping, Emergency ventilation fans, and sometimes evaporative condensers, are located. When the Rule Applies The updated OSHA requirements apply to fixed ladders...

Ammonia refrigeration facilities under 10,000 lbs often assume they’re “not regulated.” because they fall below the formal PSM/RMP thresholds. But under the General Duty Clause (GDC), the EPA still expects these facilities to identify hazards, maintain a safe system, and prevent accidental releases. While GDC sites are less likely to receive random “lottery” inspections, they will be thoroughly inspected if a release occurs. If you have onsite or offsite consequences, your facility should...