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Notification of Negotiations for a Brownfields Development Agreement for 400 S Market Street (DE-1835)



Division of Waste and Hazardous Substances


Published: March 18, 2026

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DNREC Notice No. WHS20260095
Non-Discrimination Policy

Pursuant to the Hazardous Substance Cleanup Act (HSCA), 7 Del. C. Chapter 91, §9126, the Department of Natural Resources and Environmental Control (DNREC) is required to issue a public notice within twenty days after entering into negotiations for a Certified Brownfields Development Agreement (BDA). A BDA is an agreement between DNREC and a Certified Brownfields Developer with respect to a Certified Brownfield Site that sets forth a scope of work and schedule of remedial activities during the development of the Site.

DNREC’s Remediation Section (DNREC-RS) is negotiating a BDA with 400 Market Rentals, LLC regarding the 400 S Market Street (Site), located at 400 S Market Street, Wilmington, Delaware. Identified by New Castle County as tax parcel numbers 26-050.00-017, the Site may have had a release of hazardous substances as a result of historical activities on site. For more information, please see DNREC’s navigator at: den.dnrec.delaware.gov.

Details of the Site are available online at den.dnrec.delaware.gov.

For additional information, please contact:

John Costa, Project Manager
DNREC – Division of Waste and Hazardous Substances
Remediation Section
391 Lukens Drive, New Castle, DE 19720
RS_Public_Comments@delaware.gov
302-395-2600




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