Recent Blog Posts

RAGAGEP: Historical Variants and the Importance of IIAR Standards | Part 1: Introduction

January 18th, 2022

Uriah Donaldson, OHST, presented a technical paper at the 2019 RETA National Conference and 2021 IIAR National Conference titled RAGAGEP: Historical Variants and the Importance of IIAR Standards.  This is the first post in a series of blogs which include excerpts from his technical paper.  Introduction Recognized and Generally Accepted Good Engineering Practices (RAGAGEPs) are written […]

Can Ammonia Pipes Be Welded to Their Supports?

January 11th, 2022

We recently published a blog addressing various aspects of ANSI/IIAR 4-2020. On the topic of pipe supports, Standard 4 introduces a prohibition that was not previously included in the 2015 edition. ANSI/IIAR 4-2020 §6.1.2 requires that “Piping support systems shall be installed to retain pipe within the support. Pipe shall not be welded to supports […]

Ammonia Week in Review | January 7, 2022

January 7th, 2022

28 firefighters rush to an ammonia leak in this week’s edition of the Ammonia Week in Review… Emergency Services Called to Ammonia Leak in Epping – Fire Rescue Victoria appliances were dispatched to a reported ammonia leak in Epping at 2:15am this morning. […keep reading] All Good Things Must Come to an End: How to Decommission Ammonia Systems […]

All Good Things Must Come to an End: How to Decommission Ammonia Systems According to ANSI/IIAR 8-2020

January 4th, 2022

Last year IIAR published a new edition to Standard 8 Decommissioning of Closed-Circuit Refrigeration Systems. ANSI/IIAR 8-2020 contains many of the same minimum requirements as the 2015 edition, but as always, there are a few nuances worthy of our attention. First, let’s get the big picture of Standard 8. Overview of Standard 8 Standard 8 […]

Ammonia Week in Review | December 31, 2021

December 31st, 2021

Fire Crews and HAZMAT respond to a truck’s ammonia leak in this week’s edition of the Ammonia Week in Review… Crews Respond to Ammonia Leak on I-29 South of Salix – Fire crews and hazmat responded to I-29 Tuesday afternoon for a truck leaking anhydrous ammonia just south of Salix at the weigh station. […keep reading] 7 Takeaways […]