In May 2020 I wrote Part I – General Requirements after OSHA issued two willful and three serious violations totaling $122,602 to a sperm bank for bulls (cattle) after an employee was asphyxiated while filling freezers with Liquid Nitrogen. And back in 2017, we saw another sperm bank, this one for humans, have a Nitrogen incident that claimed the life of a Deputy Sheriff and critically injured the supervisor of the business. I promised a Part II and III back then and I have been tardy in following up. But this week’s mass casualty event in Georgia involving liquid Nitrogen where six (6) workers have died at the time of this writing has spurred a lot of questions about the use of N2 in these enclosed workspaces. I will again use the 2015 International Fire Code (GA uses 2012 as their state code) in this article and in Part III which I will post next week. So what does the IFC require for the storage of liquid N2…