12 October 2014. Officials said a power interruption at Holly Frontier Refinery Thursday caused a lot of smoke in the air in south Davis County. An electrical transformer failed, said Mike Astin, environmental director with the refinery. The failure happened at 9 a.m. and it took several hours to replace the transformer.

STANDARD EXAMINER

http://www.standard.net/Fire/2014/10/09/Power-bump-at-oil-refinery-causing-smoking-air.html

At industryabout.com: HollyFrontier - Woods Cross Oil Refinery

 

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