October 2017, Vol. 244, No. 10



ExxonMobil Earns Significant Legal Victory over PHMSA ExxonMobil Pipeline won a key decision against the Pipeline and Hazardous Materials Safety Administration (PHMSA) when a federal appeals court threw out most of a PHMSA enforcement action and penalty related to a 2013 oil spill in Arkansas. At issue was whether ExxonMobil should have known that a segment of low-frequency electric resistance welded (LF-ERW) pipe in the Pegasus Pipeline was susceptible to longitudinal seam failure under federal pipeline safety regulations, more specifically, oil pipeline integrity rules. The 850-mile, 20-inch Pegasus system transports crude oil from Patoka, IL to Nederland, TX. The failure in a high-cons

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