Interesting article on various concerns transporting crude. Article describes chemicals, bacteria , and other problems some problems in pipe lines as well and some only in RR tank cars due to lack of movement especially when storing before or after shipping.
http://www.railwayage.com/index.php/safety/improving-safety-on-north-americas-122-inch-pipeline”.html?channel=60
Unless the sludge is cleaned out of tank cars after emptying, the bacteria will continue to do harm even even when empty. I can't imagine why a tank car wouldn't be lined.
I had to replace my home heating fuel oil tank a few years ago - organisms in the fuel ate through the tank. Remember, crude and it''s refined products are working with the remains of a dead organism with potentials to reach all the virus and bacteria that were in the environment of the organism when it was alive.
Never too old to have a happy childhood!
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