DULUTH, Minn. (AP) — Hibbing Taconite Co. has agreed to pay a more than $15,000 penalty for air-quality violations at its taconite-production facility. The company will also return the facility to compliance.

The Duluth News Tribune reports the Minnesota Pollution Control Agency announced the decision on Thursday.

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According to the PCA, the company’s monitoring reports documented many air emissions violations in late 2010 of the plant’s operating permit.

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Other data showed that the unit failed a performance test in January this year.

The PCA said the unit was retested in February and was in compliance.

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