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EPA Issues Explanation of Significant Differences for Chem-Solv, Inc. Superfund Site

Public Notice: June 1999

The U.S. Environmental Protection Agency (EPA) has issued an Explanation of Significant Differences (ESD) for the Chem-Solv Superfund Site in Cheswold, Kent County. Whenever EPA significantly changes part of the cleanup decision outlined in the Record of Decision (ROD), the Agency issues an ESD to explain why the cleanup plan has been changed. The ESD will become part of the Administrative Record file.

As provided by the Chem-Solv ROD, the State is prohibiting the installation of drinking water wells in the contaminated Columbia aquifer at the site via implementation of a Groundwater Management Zone (GWMZ). The Chem-Solv ESD explains that EPA has changed the ROD to remove the requirement for deed restrictions on properties located within the GWMZ. The 1992 Chem-Solv ROD requires the placement of a notice in the property records of each property located within the GWMZ. This notice would inform present and potential future property owners that the property is located within the GWMZ, where drinking-water supply wells will not be permitted in the shallow Columbia aquifer until EPA determines groundwater cleanup levels have been achieved. EPA recognizes that such notices become a permanent part of the property record, and can stigmatize the property. Because the shallow drinking-water wells have been replaced with deeper wells and the State will restrict use of the contaminated aquifer until the groundwater cleanup levels have been met, EPA has determined that these notices are not necessary.

Administrative Record File

You can view the Chem-Solv Administrative Record file, an official collection of reports, correspondence and other documents that reflect EPA's process of selecting a cleanup plan for a site, at the following information repositories:

William C. Jason Library
Delaware State College
1200 North DuPont Highway
Dover, DE 19901
(302) 739-3571

U.S. EPA Region 3
6th Floor Public Reading Room
1650 Arch Street
Philadelphia, PA 19103-2029
(215) 814-3157

If you have questions or would like additional information about the site, please contact one of the EPA representatives listed below.

Hal Yates (3HS43)
Community Involvement Coordinator
215- 814-5530

Debra Rossi (3HS23)
Remedial Project Manager

U.S. EPA Region III
1650 Arch Street
Philadelphia, PA 19103

Region 3 | Mid-Atlantic Cleanup | Mid-Atlantic Superfund |EPA Home | EPA Superfund Homepage

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