I always wondered why BBL was the abbreviation for barrel. Watching an episode of
Dirty Jobs prompted me to look it up; I got the same basic answer from multiple sites, so I copy the last one I looked at (
from here):
Quote:
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In the early 1860's, when oil production began, there was no standard container for oil, so oil and petroleum products were stored and transported in barrels of all different shapes and sizes (beer barrels, fish barrels, molasses barrels, turpentine barrels, etc.). By the early 1870's, the 42-gallon barrel had been adopted as the standard for oil trade. This was 2 gallons per barrel more than the 40-gallon standard used by many other industries at the time. The extra 2 gallons was to allow for evaporation and leaking during tranport (most barrels were made of wood). Standard Oil began manufacturing 42 gallon barrels that were blue to be used for transporting petroleum. The use of a blue barrel, abbreviated "bbl," guaranteed a buyer that this was a 42-gallon barrel.
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What is interesting is that I have seen this abbreviation used for 55 gallon barrels.