2021 RETA Breeze May-June

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SAFETY REQUIREMENTS DEFINED BY ANSI/IIAR-2 AND OSHA

AMMONIA DETECTION LEVELS AND REQUIRED ACTIONS 25 ppm – This is 50% of the OSHA 8-hour (TimeWeighted Average) maximum permissible exposure level of 50 ppm. This level is an indication of abnormal operation condition requiring: • audible alarm - heard over ambient noise level, • visual alarm indication, • alarm notification to monitored location, • activate occupied ventilation. A

Recent Safety Day questions were asked about engine room security, ammonia detection and alarm levels, and safety controls requirements. So here is a run-down of some of the requirements defined by ANSI/IIAR-2 and OSHA. Always consult with your local inspecting authority, LEPC, fire department or emergency responders, keep in mind, the requirements may be different in your location.

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