Air Quality | Phillips 66 Company – Billings Refinery| Public Comment Period Ends July 17, 2025
The Department of Environmental Quality (DEQ) has prepared a Preliminary Determination (PD) for Montana Air Quality Permit #2619-40, for Phillips 66 Company – Billings Refinery.
A Draft Environmental Assessment (Draft EA) analyzing potential impacts of the proposed permit action on the affected human environment has also been prepared and is attached to the PD. This PD, and associated Draft EA, are issued by DEQ pursuant to §§ 75-1-101, et. seq, and 75-2-201, et. seq, Montana Code Annotated.
Location:
- Section 2, Township 1, Range 26 East
- Yellowstone County
Associated Materials:
Comment Period Ends:
- July 17, 2025 11:59PM
Send Comments To:
OR
- DEQ Air Quality Bureau
PO Box 200901
Helena MT 59620-0901
Tags: MEPA, Public Comment and Air