Anhydrous ammonia – used in manufacturing, refrigeration and agriculture – is a pungent, colorless and toxic gas or liquid that, when concentrated, is corrosive to human tissue upon contact, according to NIOSH.
Washington – Large facilities that store and sell chemicals may no longer be exempt from OSHA’s Process Safety Management Standard, the agency announced July 22 in a revised interpretation of its rules.
A 2010 anhydrous ammonia incident at an Alabama facility offers valuable lessons on preventing hydraulic shock and worker injuries, Chemical Safety Board investigators said during a Jan. 15 conference call with media members.
Ammonia is a colorless gas with a pungent odor that has a number of occupational uses, such as a refrigerant; cleaning and bleaching agent; or additive in fertilizers, plastics and pharmaceuticals. Although exposure in typical environmental concentrations is not considered hazardous, exposur