Montana Department of Environmental Quality About Us Permitting & Operator Assistance Public Participation

Air Quality | American Chemet Corp

  • May 28 2026

The Department of Environmental Quality has prepared an Administrative Amendment for Montana Air Quality Permit #1993-27, for American Chemet Corp - American Chemet.

Location:

  • Northeast ¼ of Section 36, Township 10 North, Range 3 West
  • Lewis and Clark County

Associated Materials:

Facility Appeal Period Ends: 

  • June 11, 2026 11:59PM

Contact: Craig Henrikson

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 June 1, 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