Extreme heat warning in effect through Sunday

MPR News helps you turn down the noise and build shared understanding. Turn up your support for this public resource and keep trusted journalism accessible to all. 

Turn Up Your Support

Two Minnesota lawmakers want a Twin Cities oil refinery to stop using the toxic chemical, hydrogen fluoride. 

In a letter to state regulators, state Rep. Frank Hornstein and state Sen. Scott Dibble, who are both DFLers from Minneapolis, say the April 26 

 at the Husky Energy refinery in Superior, Wis., raises safety concerns about the Andeavor refinery in St. Paul Park. 

No hydrogen fluoride leaked in Superior, but if it did, an acidic cloud could have injured people downwind. 

Chemical raises concerns in wake of Superior refinery explosion, fire

Stop using toxic chemical

Andeavor uses the same chemical to make high-octane gasoline. Dibble said state and local emergency responders need to review their plans. 

"Hydrogen fluoride is highly toxic if it is released, Dibble said. "The facility down here in St. Paul Park would affect over a million people if there's a worst-case scenario," Dibble said.

 Andeavor public affairs manager Kate Blair said the refinery's emergency plans are updated every year, and staff train regularly with first responders from surrounding communities. 


Blair said if there is an accident at the plant, staff are equipped to secure the hydrogen fluoride. 


"We have a great mitigation system in place," Blair said. "It's the best. It's the gold standard across the country of mitigation systems that would prevent HF from going off-site and would also allow us to take our systems down as necessary."


Meanwhile, officials in Wisconsin said Monday that field inspections in the vicinity of last month's refinery fire have not found contamination. In a statement, the Douglas County Public Health Division said the U.S. Environmental Protection Agency and consultants for the refinery "have not found visual soot deposits to indicate any soil concerns." 


Officials say the compounds in smoke are unhealthy to breathe, but the potential for harm is much less once the compounds settle into the soil. However they still are urging residents to wash garden vegetables before eating them.

Environmental News

Politics and Government News

NewsPartners

Matt Sepic

Author

State Rep. Frank Hornstein and state Sen. Scott Dibble say the explosion and fire at the Husky Energy oil refinery in Superior, Wis., last month raises safety concerns about the Andeavor refinery in St. Paul Park.

Superior police officer Patrick Deignan goes door-to-door.

Minn. lawmakers warn of toxic chemical stored in St. Paul Park refinery

Go Deeper.

Like this?