More Information

For more information about the DuPont site investigation and remediation programs, please click on this link to the Publications web page for documents available via download from this website, or click directly on the links shown below. Local residents will find complete copies of all reports submitted by DuPont to DTSC at the Oakley Public Library, located at 1050 Neroly Road, Oakley, CA.

June 2009
Oakley Repository – List of Available Documents
This is a list of all reports prepared in support of the Oakley Consent Agreement and available at the Oakley public library. Full versions of these documents may also be found in the DTSC website's Envirostor page by scrolling to the "Completed Activities" section for a document list.
May 2009
DFA1 Soil RFI Report: Executive Summary
This report addresses the soil investigation results for the 26.6-acre area designated as Development Focus Area 1 (DFA1). Following approval of this report and completion of a groundwater characterization study and a release report for DFA1, this portion of the site is anticipated to be released for development by 2010.
April 2009
2008 Annual Groundwater Monitoring Report: Executive Summary
Groundwater monitoring is conducted every quarter at the DuPont Oakley Site, and reports are provided semi-annually. This report covers the results of groundwater monitoring activities conducted throughout 2008.
February 2009
2008 Annual Surface Water Monitoring Report: Executive Summary
Surface water monitoring is conducted semi-annually at the DuPont Oakley Site (in the wet and the dry seasons), and reports are provided semi-annually. This report covers the results of surface-water monitoring activities conducted throughout 2008.
December 2008
Phase 2 Groundwater RFI Report: Executive Summary
The results of the second phase of groundwater investigation are presented in this report. Activities were conducted from mid-2004 through 2007.
May 2008
Phase 1 Groundwater RFI Report: Executive Summary
The report presents the results of the first of three phases of a groundwater RCRA Facility Investigation at the Oakley Site. The investigations covered by this report took place from 2003 through mid-2004.
March 2006
Phase 1 Soil RFI Report: Executive Summary
The objective of the Phase 1 Soil RFI was to characterize the nature and extent of constituent releases and the potential human-health risks to support the future redevelopment of the Oakley Site as a business park with a mix of industrial, commercial, and retail uses.
March 2006
PRB Construction Completion Report: Introduction, Summary, and Conclusions
This report describes the construction activities completed during construction of the PRB wall described in the Phase 1 Groundwater Interim Measures Work Plan (above).
February 2006
DTSC Fact Sheet – Proposed Cleanup Completion for Three Parcels
This fact sheet provides a brief history of the site and summarizes the actions taken to demonstrate that three parcels of land have not been impacted and were therefore eligible for release for development. These parcels were subsequently released by the DTSC.
February 2005
DTSC Fact Sheet – Proposed Cleanup Plans for Former DuPont Plant
DuPont site history and investigations to date are summarized in this fact sheet, which also provides a discussion of how the PRB wall works and a proposal to remove small areas of soil impacted by agricultural chemicals (likely not tied to DuPont operations) on an adjacent property that was part of the original plant property purchase.
December 2004
Phase 1 Groundwater Interim Measures Work Plan: Introduction
This work plan presents the justification and design for the full-scale permeable reactive barrier (PRB) installed at the Oakley Site in 2005. This passive PRB wall was installed across a portion of the Oakley site to reduce the levels of volatile organic compounds in Plume 1 groundwater.

Other pages in this section:

Highlights

Various other sources of information are also available on this site, including Fact Sheets published by the DTSC, DuPont newsletters related to the Oakley Site, and excerpts from articles written in the local new media.