Recent Blog Posts

Atmospheric Termination of Relief Valve Discharge Piping

February 5th, 2019

Since ammonia diffusion tanks were removed from the California Mechanical Code in 2016, atmospheric termination of relief valves has once again become a viable strategy for ammonia refrigeration systems. The question that often arises, however, is what constitutes “safe” termination to atmosphere. ANSI/IIAR 2-2014 §15.5.1 outlines five requirements for proper atmospheric termination: Discharge pipe must […]

Ammonia Week in Review | January 25, 2019

January 25th, 2019

An Australian union claims an ammonia leak was preventable in this week’s edition of the Ammonia Week in Review… Don KR Castlemaine Ammonia Leak ‘Could have been Avoided’ – The Australian Manufacturing Workers’ Union claims Thursday’s leak – which temporarily saw the plant shut down, employees evacuated and nearby residents advised to remain indoors – could have been avoided. […]

Freon Detection Requirements

January 22nd, 2019

There is a common misconception that synthetic refrigerants are exempt from all regulatory burden. Many end users are attracted to Freon refrigerants because of a desire to avoid PSM, RMP, and the many requirements associated with operating an ammonia refrigeration system: machinery room ventilation, detection, emergency response, mechanical integrity, etc. While we have previously summarized […]

Ammonia Week in Review | January 18, 2019

January 18th, 2019

A poultry plant evacuates after an ammonia release in this week’s edition of the Ammonia Week in Review… Ammonia Leak Prompts Evacuation of Surrey Poultry Processing Facility – A portion of King George Boulevard was closed for several hours overnight, as crews investigated an ammonia leak. The incident happened at Sunrise Poultry on 73rd Avenue, just before 1 a.m. […]

2019 California CUPA Training Conference

January 10th, 2019

Have you ever wondered what type of training the California CUPAs receive? If so, make plans to attend the 21st Annual CUPA Conference and see for yourself. The CUPA conference has an excellent lineup of speakers and exhibitors. Who Should Attend: Local, State, Federal, Environmental Health, HAZMAT and Fire HAZMAT Agencies, Industry, Environmental Consultants and Organizations, Academia, Public Officials and […]