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Administrative Hearing: Niche Polymer, LLC



Request for Reconsideration of DNREC’s June 16, 2026 Determination as set forth in Secretary’s Order No. 2026-WH-0006

Office of the Secretary


Published: Sept. 2, 2026
Comments Due: Oct. 5, 2026

DNREC Notice No. OTS20260343
Non-Discrimination Policy

On April 26, 2026, the Department of Natural Resources and Environmental Control (DNREC) issued Secretary’s Order No. 2026-WH-0006, finding AMETEK, Inc., Marshallton Realty Holdings, LLC, and Niche Polymer, LLC (“Respondents”), in violation of the Hazardous Substance Cleanup Act (“HSCA”) and its implementing regulations, specifically, 7 DE Admin. Code 1375. The Order requires Respondents to promptly undertake corrective actions to bring the facility into compliance with HSCA regulations. Pursuant to 7 Del. C. §6005(b)(3), Respondent, Niche Polymer, LLC, has requested an Administrative Hearing for reconsideration of the determination set forth in the aforementioned Secretary’s Order. 

Administrative Hearing

The virtual Administrative Hearing on the above matter will be held on Wednesday, September 30, 2026, beginning at 10:00 a.m. The web link to the virtual hearing can be accessed through the State of Delaware Public Meeting Calendar at publicmeetings.delaware.gov/#/meeting/86229. Language assistance is available by request within 10 business days of the hearing. Closed-captioning is available via the Zoom platform virtual meeting tool.

The hearing record will remain open in this matter through October 5, 2026. Written comments will be accepted by DNREC through the close of the hearing record via email to DNRECHearingComments@delaware.gov or by U.S. mail to the following address:

Lisa A. Vest
DNREC – Office of the Secretary
89 Kings Highway, Dover, DE 19901




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