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Air quality improving after Superior, Wis., refinery explosion

SUPERIOR, Wis. - The Wisconsin Department of Natural Resources and U.S. Environmental Protection Agency announced Saturday, April 28, that the air quality is improving around the site of Thursday's explosion and fire at the Husky Energy refinery ...

Aerial scene of the Calument refinery fire and explosion in Superior Thursday morning, April 26. (Bob King / Forum News Service)
Aerial scene of the Calument refinery fire and explosion in Superior Thursday morning, April 26. (Bob King / Forum News Service)

SUPERIOR, Wis. - The Wisconsin Department of Natural Resources and U.S. Environmental Protection Agency announced Saturday, April 28, that the air quality is improving around the site of Thursday's explosion and fire at the Husky Energy refinery in Superior.

The EPA has been conducting air monitoring in residential areas surrounding the facility, and since the fire was put out data shows that there are no elevated levels of chemicals monitored and that particulate levels are at background levels, a press release said. The DNR, EPA and the Superior refinery will continue to monitor the situation for any possible changes.

A DNR spills team is on site monitoring nearby Newton Creek and other areas for spills from the refinery, including runoff from water used to fight the fire. According to the DNR, the company has placed booms in the creek to control any potential runoff and no fish kills have been reported so far. The DNR also will be overseeing surface water sampling and soil clean-up.

For more information concerning health effects and to get updates on the situation, visit www.douglascountywi.org/CivicAlerts .

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