Recent Blog Posts

2025 CVCSD North Valley Chemical Safety Day – November 6, 2025

November 3rd, 2025

Click here for more information or to register for this event!  

Emergency Pressure Control Systems

October 21st, 2025

This is an update to a blog that was originally posted on 9/10/14. You can read the original blog here. Question: What is an emergency pressure control system? Answer: An emergency pressure control system (EPCS) is a pressure-limiting safety system that is required by many current Fire Codes (International Fire Code and NFPA 1). The […]

Ammonia Week in Review | October 10, 2025

October 10th, 2025

Exclusive Resources in this week’s edition of the Ammonia Week in Review… Refrigeration Purging Video Series – You’ll get familiar with manual, refrigerated, and automatic purging techniques. This is a must-watch for anyone new to the industry, studying for the RETA CARO exam, or an experienced technician looking for a refresher on purging best practices. […watch here] Installation Identification […]

Installation Identification Signs

October 7th, 2025

Code requirements for installation identification signs vary based on when an ammonia refrigeration system was built. Most existing installation identification signs were installed in accordance with the Mechanical or Fire Codes (UMC, CMC, and UFC), ASHRAE 15, or IIAR 2 OR 9. Here is a historical snapshot of code requirements for installation identification signs throughout […]

Ammonia Week in Review | September 26, 2025

September 26th, 2025

History Unfolds in this week’s edition of the Ammonia Week in Review… Chemical Leak Discovered at Historic Bojangles Coliseum in Charlotte – Officials confirmed that an ammonia leak was discovered at the decades-old arena around 5 a.m. on Sept. 19. […keep reading] NTSB Report Reveals New Details on Deadly Teutopolis Ammonia Spill – A teenager driving a minivan […]