Bryan Haywood

The history and explanation of Anhydrous Ammonia’s dual NFPA 704 Flammability Ratings

The changes in NH3’s flammability ratings in NFPA’s 704 ratings comes down to the difference between ammonia’s inherent chemical properties and specific regulatory overrides designed for enclosed refrigeration systems. Strictly speaking, the base chemical rating for pure anhydrous ammonia is a “1”. However, the International Mechanical Code (IMC) and the International Institute of Ammonia Refrigeration (IIAR)

OSHA PSM citations @ cold storage warehouse (NH3 & $42K)

OSHA has issued nine serious and two other-than-serious violations to a refrigeration warehouse after a January 2016 complaint investigation found the employer violated OSHA’s process safety management standard in regards to the anhydrous ammonia used in the facility’s refrigeration process where more than 10,000 pounds of ammonia are in use. An investigation by the agency’s

OSHA PSM Letter – Agricultural Retailers Association, et al. v. United States Department of Labor

VIA ELECTRONIC FILING May 5, 2016 Mark J. Langer, Clerk The United States Court of Appeals District of Columbia Circuit 333 Constitution Ave., NW Washington, DC 20001 Re. 28(j) Letter – Agricultural Retailers Association, et al. v. United States Department of Labor, et al., Nos. 15-1326 and 15-1340 Dear Mr. Langer: Respondents write to advise the

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