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The DNREC Division of Waste and Hazardous Substances will conduct a virtual public hearing (Docket #2020-R-WH-0008) on the Proposed Plan of Remedial Action for the General Motors Corp. Wilmington Assembly Plant Operable Unit 4 (DE-1149). This will be a virtual public hearing.
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Dial-in Number: 1.408.418.9388
Event Number: 350 462 960
Operable Unit 4 (OU-4) is part of the former assembly plant located in Wilmington, Delaware. Soil at OU-4 was not impacted. OU-4 groundwater was impacted by ethylbenzene, 1,2,4-trimethylbenzene, xylene, and naphthalene. Groundwater contamination migrated offsite to the northeast. As the groundwater travels from the site, contamination reduces and does not impact any offsite drinking water wells. Indoor air samples from Townhouses on Dodson Avenue do not indicate a risk from groundwater to indoor air. The contamination at OU-4 will be addressed by groundwater monitoring, restricting OU-4 to commercial use, limiting groundwater use, and requiring soil/groundwater management plan during redevelopment.
Details of the Proposed Plan are available at the office of DNREC-RS (391 Lukens Drive, New Castle, DE, 19720), or online at www.nav.dnrec.delaware.gov/DEN3/.
For additional information on the Proposed Plan visit de.gov/dnrechearings or contact Rick Galloway, Project Manager, at 391 Lukens Drive, New Castle, DE, 19720, by telephone at (302) 395-2600, or by email at RS_Public_Comments@delaware.gov
Please note that live comments will not be accepted during the virtual hearing. Written comments may be submitted to the Hearing Officer via the online comment form at dnrec.alpha.delaware.gov/public-hearings/comment-form/, via email to DNRECHearingComments@delaware.gov, or via USPS to the below address.
Lisa A. Vest
DNREC Office of the Secretary
89 Kings Highway
Dover, DE 19901