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PHMSA Advisory Bulletin 2019-0087: Potential for Damage to Pipeline Facilities Caused by Earth Movement and Other Geological Hazards

September 22, 2020

The U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration (PHMSA) issued Advisory Bulletin 2019-0087 in April of 2019.  The advisory bulletin was issued to remind owners and operators of gas and hazardous liquid pipelines that earth movement, particularly in variable, steep, and rugged terrain and with varied geological subsurface conditions, can pose a threat to the integrity of a pipeline if those threats are not mitigated. (more…)
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