Thinning Pipeline Caused Explosion Near Charleston, WV

The Pipeline and Hazardous Materials Safety Administration (PHMSA), part of the U.S. Dept. of Transportation, has issued a corrective order to Columbia Gas (subsidiary of NiSource) dealing with the pipeline explosion near Sissonville, WV on Dec. 11 (see this MDN story). The PHMSA found that the pipeline section that exploded, which was built in 1967, was getting too thin:

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