Recent Blog Posts

2025 Southwest RETA Training Expo

October 22nd, 2025

We hope to see you at the upcoming Southwest RETA Training Expo (click here for additional information and registration). Southwest RETA Training Expo December 11, 2025 Yuma County Fair Grounds – 2520 E. 32nd Street, Yuma, AZ 85365  

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 17, 2025

October 17th, 2025

Ammonia Spooks in this week’s edition of the Ammonia Week in Review… Several Hospitalized After Ammonia Leak at Coffeyville Refinery – An ammonia leak at the CVR Nitrogen Plant in Coffeyville hospitalized several people on Saturday, officials say. […keep reading] Burlington Shelter-in-Place Order Lifted After Reported Ammonia Leak – Residents in Burlington were told to shelter in place early […]

Electrical Safety in Ammonia Refrigeration Systems

October 14th, 2025

There is little guidance in ammonia refrigeration codes and standards to address the installation and maintenance of electrical components. The most applicable code requirement in IIAR Standard 2 states that “Electrical equipment and wiring shall be installed in accordance with the electrical code.” (§14.3.5 ) The requirements in the electrical codes (National Electrical Code or […]

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 […]