The Department of Natural Resources and Environmental Control (DNREC) Division of Waste and Hazardous Substances (WHS) Remediation Section (RS) has adopted a plan regarding the clean-up of the 400 S. Market St. Site (Site) (DE- 1835) located in Wilmington. The Site contains one commercial building totaling 10,000 square feet, located on the eastern portion of the property. The Site operated as a mill working company since the early 1950s. The Site consists of approximately 1.44 acres.

The Site will be subject to the following key remedial actions: capping the Site with impervious material or at least two feet of clean fill, development and compliance with the Contaminated Materials Management Plan (CMMP), the recording of an Environmental Covenant restricting groundwater withdrawal and preventing disturbance of the cap, and development and compliance with the long-term stewardship plan.

DNREC issued a public notice of the Proposed Plan of Remedial Action (Proposed Plan) for the 400 S. Market St. Site on January 5, 2025. There were no comments or questions from the public regarding the Proposed Plan.

Details of the Final Plan of Remedial Action 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
DNREC_WHS_REMEDIATIONINBOX@delaware.gov
302-395-2600

Related Topics:  clean-up, final plan, public notice, remediation, waste and hazardous substances