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Public Notice: Clean Harbors Grassy Mountain, LLC

Clean Harbors Grassy Mountain, LLC
How to Comment
Comments Due
November 25, 2026

The comment period begins on Monday, October 26, 2026, and closes on Wednesday, November 25, 2026. Comments or requests for an extension or a hearing should be submitted in writing to Mrs. Natalie Cannon, cannon.natalie@epa.gov and should adhere to all guidelines in this public notice.

Publish Date
October 26, 2026

Summary

This serves as a public notice of the Proposed Application of a Coordinated Toxic Substances Control Act (TSCA)/Resource Conservation and Recovery Act (RCRA) Landfill Approval for Cell 10 located at the Clean Harbors Grassy Mountain, LLC, Exit 41 Off I-80 3 Miles East, Grassy Mountain, Utah, P.O. Box 2275, Salt Lake City, Utah 84122.

On this page:

  • Announcement
  • Contact Information
  • Important Dates
  • Key Documents

Announcement

The United States Environmental Protection Agency (EPA) Region 8 hereby provides notice and solicits comments from interested persons regarding EPA’s proposal to issue a TSCA/RCRA Coordinated Approval for land disposal of Polychlorinated Biphenyls (PCB) wastes at Landfill Cell 10, which has been authorized under the State-Issued Part B Permit. Approval is sought by the applicant under TSCA Section 6(e)(1) and the implementing regulations for PCBs 40 C.F.R. Part 761. The Approval is being sought by Clean Harbors Grassy Mountain, LLC, Exit 41 Off I-80 3 Miles East, Grassy Mountain, Utah, P.O. Box 2275, Salt Lake City, Utah 84122.

Public Comment Period: The comment period is from Monday, October 26, 2026, and closes on Wednesday, November 25, 2026. During the comment period, any interested person may submit written comments concerning the Application or the Draft Approval. A person may request an extension of the comment period or a virtual public hearing. The requested extension or hearing must be submitted in writing within the first fifteen (15) calendar days of the comment period. The request for a hearing shall state the nature of the issues proposed to be raised in the hearing. Comments and/or requests for an extension or a hearing should be submitted to Mrs. Natalie Cannon, U.S. EPA Region 8, 1595 Wynkoop Street, Denver, Colorado 80202-1129, telephone (303) 312-6625, cannon.natalie@epa.gov.

Information Repository: Copies of the Application and EPA Draft Approval are available for review during the comment period at Clean Harbors Grassy Mountain, LLC, Exit 41 Off I-80 3 Miles East, Grassy Mountain, Utah, P.O. Box 2275, Salt Lake City, Utah 84122, telephone (801) 323-8900. Interested parties may also arrange a review of the documents during normal business hours of 8:00 a.m. to 5:00 p.m., Monday through Friday, at the Division of Waste Management and Radiation Control, 2nd Floor, Multi-Agency State Office Building, 195 North 1950 West, Salt Lake City, Utah 84116. Telephone (801) 536-0200. The State-Issued Part B Permit is accessible on the Utah Department of Environmental Quality website. For questions regarding the permit, contact Kari Lundeen, Utah Department of Environmental Quality, Division of Waste Management and Radiation Control, telephone (801) 536-0253, klundeen@utah.gov.


Contact Information

PCB Coordinator:

Natalie Cannon
Cannon.natalie@epa.gov
(303) 312-6625
9:00 a.m. – 3:00 p.m., Monday - Friday


Important Dates

  • October 26, 2026 to November 25, 2026 – the public comment period.
  • The first fifteen (15) calendar days from October 26, 2026 - Request an Extension of the Public Comment Period or a Virtual Public Hearing.

Key Documents

Please find the following documents in support of Clean Harbor Grassy Mountain's request for RCRA/TSCA Coordinated Approval:

  • Utah Department of Environmental Quality Class 3 Permit Modification Request Approval for New Cells and Surface Impoundment (pdf) (143.55 KB)
  • Utah Department of Environmental Quality Approval of Construction Quality Assurance Report (pdf) (242.85 KB)

Polychlorinated Biphenyls (PCBs)

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Contact Us About Polychlorinated Biphenyls
Contact Us About Polychlorinated Biphenyls to ask a question, provide feedback, or report a problem.
Last updated on October 26, 2026
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