The Coast Guard uses the results of nondestructive testing to evaluate the suitability of older pressure-vessel-type cargo tanks of unmanned barges to remain in service. Once every ten years it subjects such a tank, on an unmanned barge, 30 years old or older to nondestructive testing.
The latest form for Nondestructive Testing of Certain Cargo Tanks on Unmanned Barges expires 2022-09-30 and can be found here.
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Supporting Statement A |