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# PSM application to oil/gas tank battery facilities

## PSM application to oil/gas tank battery facilities

(OP)
Hello,

I understand that there are lots of things and variables to consider in this subject area, hence I narrowed my question to one of those part...capacity. That is, 10,000lbs or more.
1. For upstream tank battery facilities where we do mostly gravity separation and storage to truck out or pump to pipeline: the "hazardous" substances are mostly crude oil (or condensate) and natural gas. Does the 10,000lbs and above threshold apply to those two substances, and if so:
a. Since 1 bbl of oil is ~280 lbs, does that mean ~36 bbls (36 bbls = 10,000lbs) is the capacity threshold? (again, I understand the NURF component, etc. I'm only asking about the capacity component). If yes, is that storage or flow through or...? The liquid part is a little confusing because 36 bbl is very small and I'm sure that I'm missing something, or maybe crude oil is estimated differently?

b. Since 1 llb of natural gas is ~19 SCF, does that mean 190,000 SCF (10,000lbs = 190,000 SCF) is the gas capacity threshold? and if yes, how is that factored in, as flow through at a given time or capacity of all equipment and piping, etc.

As much as possible, do it right the first time...

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