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Faunsdale, AL | Had an uncle who was a chemical engineer at a fertilizer plant (Mississippi Chemical, Yazoo City MS) and he always warned against welding on liquid tanks. Back in those days, we used ammonium nitrate liquor, so essentially the straight stuff.
I had the job of re-purposing an old storage tank into a water storage tank for washing cows before milking. It sure was tempting to just grab the torch instead of drilling lots of holes through the ~3/8" thick tank to get a 12" square hole through the top of it!
In about 1967, they quit producing ammonium nitrate liquor and swapped over to shipping anhydrous, so we did as well. | |
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