Process Safety is blowing in the political winds (GHS and Flammable Gas Categories)

I have written over a dozen articles on the big change in automobile manufacturing and their new refrigerant HFO-1234yf which is going into almost all vehicles made today.  Today HFO-1234yf is a Category 1 Flammable gas, hence it is a Highly Hazardous Chemical (HHC) and when the process exceeds 10,000 pounds of this refrigerant the process is a PSM Covered Process.  That is today and in December 2019 the United Nations met to discuss the latest and greatest revision to the…