The Wyoming attorney general’s office has sued an oil refinery, claiming it exceeded emission limits for a number of air pollutants.
The Wyoming Tribune Eagle reported that the state filed the lawsuit last week against HollyFrontier Cheyenne Refining, alleging 17 violations of state and federal environmental regulations.
The state is asking for up to $10,000 in penalties for each day the Cheyenne refinery violated regulations.
HollyFrontier did not return the newspaper’s call for comment.
The state claims the company exceeded limits for sulfur dioxide, carbon monoxide, nitrogen oxides and other pollutants.
The state sued the company over similar violation claims in February 2018.
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