Nuclear Quality: the N-stamp
A key factor in nuclear quality control is the ASME N stamp. It’s what make nuclear quality, nuclear quality. Shaw Industries, the vendor of the Vogtle submodules, was the holder of three of the prized N stamps. The quality of the product was execrable. This was not discovered until the submodules reached the site, in part because of the faith Westinghouse had in N stamp paperwork. Under Underwriter Certification, there would have been three independent inspection teams crawling all over the modules at the factory. They never would have shipped.
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