DIGITAL EXTRA: U.S. Chemical Safety Board Full Press Conference

August 02, 2018 12:01 PM

The explosion at the Husky Refinery in Superior, Wis. on April 26 was determined to stem from a worn valve that converts oil to gasoline. The possible cause was part of a U.S. Chemical Safety Board factual update released Thursday as part of the board's ongoing investigation. 

Watch the video box above for the full story.

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Credits

Tommy Wiita

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