CHAPTER 6, SECTION 2 CONSTRUCTION/MODIFICATION PERMIT HEARING 

The State of Wyoming, Department of Environmental Quality, Division of Air Quality, proposes to approve a request by Wyoming Refining Company to remove the Sulfur Dioxide (SO2) ambient monitoring requirement for the Newcastle Refinery. The Newcastle Refinery is located at Section 29, T45N, R61W, approximately one (1) mile southwest of Newcastle, in Weston County, Wyoming.

Pursuant to the provisions of the Wyoming Environmental Quality Act and the Wyoming Air Quality Standards and Regulations, a public hearing relative to the requested issuance of an air quality permit for the proposed SO2 ambient monitoring requirement removal will be held in person at 1:00 pm, Tuesday, October 20, 2026, in the Weston County Library (Meeting Room 1), located at 23 W. Main Street, Newcastle, in Weston County, Wyoming.  

The hearing will be conducted pursuant to the provisions of Chapter IX, Section 5 of the Rules of Practice and Procedure adopted by the Environmental Quality Council, and therefore, will not be conducted as a contested case.  The purpose of the hearing is to gather information concerning the emissions of air pollutants into the atmosphere and the impact of such pollutants on the ambient air quality.  The scope of the hearing will be limited to such issues in order for the Department of Environmental Quality to determine whether or not the applicable Air Quality Standards and Regulations will be violated as a result of the construction of the facility. Para español, visite deq.wyoming.gov.

(Publish September 10, 2026)