This article is for ANYONE with anhydrous ammonia, regardless if you have 100 pounds or 100,000 pounds of ammonia and your primary means of containment is Carbon Steel. I have written numerous times about the Stress Corrosion Cracking (SCC) failure mode and shared numerous accidents and alerts regarding this failure mode. In this article, I want to point out a little PSM/RMP requirement that often gets overlooked…
1910.119(f)(1)(iii)(D) Quality control for raw materials and control of hazardous chemical inventory levels