MarkWest to Remediate 2016 WV Mobley Plant Chemical Spill

In February 2016 there was an accidental release of a hazardous chemical at the MarkWest Energy cryogenic processing plant in Mobley (Wetzel County), WV (see MarkWest’s Mobley Processing Plant Spills Hazardous Oil into Creek). The fluid in question is DOWTHERM™ MX Heat Transfer Fluid, a chemical used as as a heat transfer fluid meant for closed-loop systems. An estimated 3,000 gallons of the fluid spilled, some of it reaching the North Fork of Fishing Creek and some of that entered the water intake for the community of Pine Grove, WV. However, the plant (Pine Grove Water Works) was closed before any of the water was used by local residents–so there was no health threat. A month later MarkWest reported they were done cleaning up the spill and the Pine Grove Water Works was back up and running (see MarkWest Hazardous Spill at Mobley Plant Now Cleaned Up). We thought that was the end of it, but alas, it was not. The Office of Environmental Remediation (OER) at the WV Dept. of Environmental Protection (WVDEP) reports it has just accepted a “Voluntary Remediation Program” application submitted by MarkWest to address ongoing environmental conditions at the Mobley Plant related to the Feb. 2016 spill. The plan will look at current and future uses of the site and determine how best to prevent migration of anything leftover from the spill…

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