If you are an RMP site and have updated your RMP Submittal in the past couple of years you may have noticed a slight discrepancy in some of the data. In fact, the EPA guidance documents are also out-of-date with the ERPG-2 level for Ammonia still is being shown as 200 ppm. I am not sure about the many other Extremely Hazardous Substances (EHS), but I work with many Ammonia facilities, doing their RMPs and/or helping them with their RMP WCS and ARS. Here is the issue at hand…
EPA’s RMP* Comp and Ammonia’s ERPG-2
