Magnesium Corp. of America v. Air Quality Board

OPINION

ORME, Judge:

Petitioner Magnesium Corporation of America (MagCorp) seeks review of an Air Quality Board order upholding the Division of Air Quality’s administrative determination that MagCorp violated the terms of the Approval Order governing its magnesium production plant west of Salt Lake City. The Board ruled that MagCorp exceeded its chlorine emission limitation from June 1992 through April 1994. In reaching its conclusion, the Board determined that the Approval Order governing the plant’s emissions contemplated that MagCorp’s emission limitation included emissions from all sources,…