Superfund record of decision (EPA Region 3): Halby Chemical Co., Operable Unit 2, New Castle, DE, March 31, 1998
This decision document presents the selected remedial action for the Halby Chemical Site (Site) located in Wilmington, New Castle County, Delaware. The primary objective of the OU-2 RI/FS was to develop a remedy to reduce or eliminate the potential for human or ecological exposure to unacceptable risks associated with contaminated soil outside the former process plant area, sediment in the on-Site lagoon and adjacent tidal marsh, and ground water at the Halby Chemical Site. The Selected Remedy described in this Record of Decision will comprehensively address the threats posed by the release of hazardous substances from the Site. The Selected Remedy addresses human health risks presented by: (1) arsenic-contaminated soil on the Site and adjacent residential parcel; and, (2) sediment located in the on-Site lagoon and adjacent tidal marsh. The Selected Remedy address unacceptable risks presented to wildlife and aquatic organisms by sediment located in the On-Site lagoon and adjacent tidal marsh. In addition, the Selected Remedy includes necessary action to prevent the potential for future exposure to contaminated ground water beneath the Site.
- Research Organization:
- US Environmental Protection Agency (EPA), Washington, DC (United States). Office of Emergency and Remedial Response
- OSTI ID:
- 350759
- Report Number(s):
- PB-98-963906/XAB; EPA-541-R98-014; TRN: 91311306
- Resource Relation:
- Other Information: DN: See also PB92-963914.; PBD: Sep 1998
- Country of Publication:
- United States
- Language:
- English
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Superfund Record of Decision (EPA Region 3): Halby Chemical, Wilmington, New Castle County, DE. (First remedial action), June 1991
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