STANDARD CHLORINE OF DELAWARE, INC.
NEW CASTLE, DE
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Announcements and Key Topics
www.epa.gov/superfund/standardchlorine
Updates
On Feburary 27, 2024, this site was selected to receive additional funding from the $3.5 billion allocated for Superfund cleanup work as part of the Biden administration's Bipartisan Infrastructure Law (BIL). .
This additional BIL unding will help complete the cleanup of the nearby affected wetlands and the contaminated spill pathway soils and sediment, , known as Operable Unit 2 (OU-2). Excavation and treatment of soils and sediment, contaminated by historical industrial activities and large spills from the former chemical manufacturing plant, is expected to begin in 2026. There will be a public meeting and notice before this phase of cleanup begins. You can read more about the cleanup in the Record of Decision for OU-2.
The ROD for Operable Unit 4 (OU-4) will address contaminated groundwater at the site and will be publicly available in the upcoming months.
Further information about the cleanup work at this Superfund site can be found in Site Documents & Data..
Public Participation Opportunities
EPA will continue to informthe community ofpublic participation opportunities and will provide updates on the status of when cleanup activities will take place
EPA accepted comments on the proposed plan for Operable Unit 4 (OU-4) between August 3 andSeptember 2, 2023.
EPA accepted comments on the proposed plan for Operable Unit 2 (OU-2) between September 16October 16, 2021.
Community Resources
Superfund Success Stories: Read about sites in your states where Superfund has made a difference in protecting human health and the environment
- EPA Seeks Public Comment on the OU2 Proposed Plan (PDF), OU2 Proposed Plan, September 2021
- February 2018 Site Update (PDF)
- Site Cap has been constructed, March 2017 (PDF)
- EPA Seeks Public Comment of Proposed ROD Amendment (PDF), proposed ROD amendment summary, December 2015
- Soil Bentonite Containment Barrier Repair Work to Begin (PDF), February 2015
- Community Update on Cleanup Progress (PDF), October 2012
- Community Update on Cleanup Progress (PDF), May 2010
- EPA Seeks Public Comment on Proposed Cleanup Plan (PDF), July 2009
- Superfund Site Cleanup Progress Update (PDF), September 2007
- Superfund Site Cleanup Progress Update (PDF), September 2006
- Superfund Site Cleanup Progress Update (PDF), September 2005
- EPA Remedial Program Update (PDF), December 2004
- Proposed Remedial Action Plan Summary (PDF), April 2004
- DNREC/EPA Remedial Design and Removal Program Update (PDF), August 2003
- EPA and DNREC to Begin Chlorobenzene Removal and Separation Project (PDF), July 2003
- The DNREC and EPA Cleanup Team & Cleanup Action Update (PDF), May 2003
- Metachem Products, LLC Major Decontamination Effort Proposed - Chlorobenzene Removal and Separation Project (PDF), April 2003
- Metachem Products, LLC General Project Update - Winter 2003 (PDF), February 2003
- Metachem Products, LLC Start of Major Site Decontamination Effort Chemical Process Area Decontamination Project (PDF), December 2002
- Metachem Products, LLC Groundwater Issues (PDF), September 2002
- Metachem Products, LLC Public Meeting Scheduled (PDF), September 2002
- Metachem Products, LLC (PDF), July 2002
- Proposed Plan Summary (PDF), April 1997
- Potential Budget Impacts (PDF), August 1995
- State and Feds Take Over Cleanup at Metachem Products, LLC in Delaware City (PDF)