Environmental Big West Oil to Pay Penalty and Spend $18 Million on Emission Controls to Resolve Clean Air Act Violations at North Salt Lake Refinery by Gary Kopycinski on August 23, 2013 Gary Kopycinski Author More in Environmental: People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest Workshops Join Global Effort to Prevent Bird Collisions August 21, 2025 Company to Reduce Harmful Sulfur Dioxide, Nitrogen Oxide and Particulate Emissions and Improve Chemical Monitoring