Air Quality | Lubrizol Corporation - SSP-SiMatrix, Inc.
The Department of Environmental Quality has issued a Proposed Permit regarding Operating Permit #OP3237-05, for Lubrizol Corporation - SSP-SiMatrix, Inc.
Location:
- SW¼ of Section 31, Township 7 North, Range 20 West
- Ravalli County
Associated Materials:
EPA Review Period Ends:
- November 9, 2026 11:59PM
Contact: Barry Pemberton
Accommodation statement:
DEQ will make reasonable accommodations for persons with disabilities who wish to participate in this public participation process or need an alternative accessible format of this notice. If you require an accommodation, contact the department no later than 5:00 P.M. on October 29, 2026, to advise us of the nature of the accommodation that you need. Please contact the Department of Environmental Quality at P.O. Box 200901, Helena, Montana 59620-0901; phone (406)444-3490; or e-mail deqair@mt.gov .Tags: Air and Public Notice