Final Plan of Remedial Action for Capitol Cleaners Site (DE-1018)

Division of Waste and Hazardous Substances

Published: July 24, 2022

The Department has adopted a plan regarding the clean-up of the Capitol Cleaners Site located in Dover. The Site is currently vacant but in the past was used as a dry cleaner.

The remedial actions for the Site address only soil and soil vapor contamination as the groundwater contamination is being addressed by the USEPA as part of the Dover Gas Light Site which is on the National Priorities List. The Site requires a Cap- Site must be capped with 1 foot of soil or impervious material; Environmental Management During Construction- Develop and implement a Contamination Material Management Plan (CMMP); Vapor Mitigation System; Long-Term Stewardship Plan (LTS)-Development and implement a LTS Plan; Institutional Controls- placement of an environmental covenant limiting groundwater withdrawal and restricting to non-residential site uses, compliance with the LTS and CMMP; and Remedial Action Completion Report.

DNREC issued a public notice of the Proposed Plan for the Capitol Cleaners Site on June 26, 2022. There were no comments or questions from the public regarding the Proposed Plan. Details of the Final Plan are available online at:

For additional information, please contact Rick Galloway, Project Manager at (302) 395-2600 or via email at