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Aberdeen Pesticide Dumps

Additional Resources
Site Summary Profile
EPA ID: NCD980843346
Location: Aberdeen, Moore County, NC
Lat/Long: 35.138400, -079.447200
Congressional District: 02
NPL Status: Proposed: 01/22/87; Final: 03/31/89
Affected Media: Debris, Ground water, Soil, Surface water
Cleanup Status: Construction Complete – physical cleanup activities have been completed
Human Exposure Under Control: Yes
Groundwater Migration Under Control: Yes
Sitewide Ready for Anticipated Use: No
Site Reuse/Redevelopment: In partial reuse –commercial and recreational land uses are located on part of the site; other parts of the site offer potential for light industrial and recreational uses
Site Manager: Luis Flores (flores.luis@epa.gov)
Jon Bornholm (bornholm.jon@epa.gov)

Current Site Status

The Aberdeen Pesticide Dumps site includes five separate areas impacted by industrial formulation and blending of pesticides and related waste disposal practices. EPA placed the site on the National Priorities List (NPL) in 1989 because of contaminated debris, ground water, soil, sediment and surface water resulting from facility operations. EPA, the North Carolina Department of Environment and Natural Resources (NCDENR), and the site’s potentially responsible parties (PRPs), have investigated site conditions and taken steps to clean up the site in order to protect people and the environment from contamination. Site contamination does not currently threaten people living and working near the site. By treating and monitoring ground water, placing institutional controls on the site property and undertaking Five-Year Reviews, EPA, NCDENR and the site’s PRPs continue to protect people and the environment from site contamination.

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Site Location and Background

The site, located near Aberdeen in Moore County, North Carolina, consists of five separate areas known as the Farm Chemicals Area, the Twin Sites Area, the Fairway Six Area, the McIver Dump Area and the Route 211 Area. The site includes an area where a pesticide formulation plant operated (the Farm Chemicals Area) and four areas where operations disposed of wastes from the formulation process. In 1989, EPA listed the site on the NPL. The Geigy Chemical Corporation (Aberdeen Plant) and the Aberdeen Contaminated Ground Water Superfund sites are located approximately 2.5 miles southeast of the site.

The 4-acre Farm Chemicals Area is located on the south side of N.C. State Highway 5 (Pinehurst Road), about 0.5 miles west of the road’s intersection with U.S. Highway 1. The Area borders the western edge of Aberdeen. Commercial and light industrial properties border the Area to the south and west. Residential land uses border the Area to the east; the nearest residence is approximately 200 feet away. Page's Lake is approximately 500 feet downhill from the Area. People use the lake for fishing and general recreation. From 1930 until 1987, a pesticide formulation plant operated at the Area. Parties demolished the facility in 1997. In 2004, part of the Area was redeveloped as a commercial mini-storage warehouse facility. An industrial and construction supply store and a coffee roaster also operate at the Area.

The four disposal areas include:

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Threats and Contaminants

Site investigations found contamination in debris, ground water, soil, sediment and surface water that could potentially harm people in the area. Contamination resulted from pesticide formulation and related waste disposal practices at the site. Contaminants of concern include benzene, hexachloride isomers, toxaphenedichlorodiphenyltrichloroethane (DDT)dichlorodiphenyldichloroethylene (DDE), dibromochloropropane, xyleneethyl benzene and toluene.

Contamination affected ground water used for both the public water system and private water wells. EPA has contacted property owners with property overlying impacted ground water. A public water supply well is located downhill from the Route 211 Area; it is the only well known to be affected by site contamination. The site’s PRPs installed and maintain a ground water treatment system at the well used by the local water utility to provide water to area residents. At all other areas, ground water discharges to surface water. Sampling indicates there is no risk to people from coming into contact with contaminants in surface water.

EPA assessed whether residents or workers might be at risk from harmful ground water vapors in buildings. EPA found that vapor intrusion did not pose a threat to residents and workers. The use of fencing and warning signs addressed all other threats at the site.

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Investigation and Cleanup Responsibility / Oversight

Bayer Corp., E.I. du Pont de Nemours and Co., Kaiser Aluminum & Chemical Corp., Syngenta (formerly known as Ciba Geigy Corp. and then Novartis Crop Protection Inc.), Olin Corp., Shell Oil Co., and Union Carbide Corp, the site’s PRPs, lead site investigation and cleanup activities, with oversight provided by EPA and NCDENR.

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Site Cleanup Plan

The Agency has divided the site into four ongoing operable units (OUs):
OU1 & OU4    Soil at all 5 Areas
OU2              Renamed as OU4
OU3              Groundwater at Twin Site, Fairway Six and Farm Chemical Areas
OU5              Groundwater at Route 211 Area and groundwater, surface water, and sediment at McIver Dump Area.
In 1991, EPA issued a cleanup plan (a Records of Decision, or ROD) and ROD Amendment for the site. The plan included digging up contaminated soil and treating contaminated soil on site.
In 1992, EPA issued an Explanation of Significant Differences (ESD) to change the standards for the contamination levels in the dug-up soil.
In 1996, EPA issued a second ESD to change the depth for digging up contaminated soil and update the cleanup standard for arsenic in soils at the Farm Chemicals Area.
In 1993, EPA issued a cleanup plan (a ROD) to include the use of a pump-and-treat system for contaminated ground water at the Farm Chemicals, Twin Sites and Fairway Six Areas.
In 1994 and 1997, EPA issued ESDs to change the cleanup plan to include additional contaminants of concern and to use plants and their associated microorganisms to break down contamination as part of the cleanup plan.
In 2003, EPA issued a ROD Amendment that modified the cleanup plan to use monitored natural attenuation to address contaminated ground water.
In 1999, EPA issued a cleanup plan (a ROD) for contaminated ground water at the Route 211 Area and contaminated ground water, surface water and sediment at the McIver Area. The plan for the Route 211 Area included the following activities:

The plan for the McIver Area included the following activities:

Summaries of site cleanup approaches are also available online in key site cleanup documents, including the RODs, ROD Amendment and ESDs.

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Cleanup Progress

Between 1985 and 1989, EPA conducted cleanup activities at four of the site areas. EPA removed contaminated soil and either stockpiled it on site or took it off site for disposal.

In 1996, the site’s PRPs demolished 12 buildings at the Farm Chemicals Area. The PRPs used low-level heat to pull contamination from over 123,000 tons of contaminated soil from 1997 to 1998.

The PRPs completed cleanup construction at the Route 211 and McIver Areas in 1997 and 2000, respectively. EPA and the PRPs finalized the ground water cleanup plan design for the Farm Chemicals, Twin Sites and Fairway Six Areas in 1998.

Sampling of sediment, surface water and fish tissue from Page’s Lake in 2004 confirmed that site-related contaminant levels in the lake did not pose a threat to people.

In 2003, EPA issued the site’s Preliminary Close-Out Report, documenting the completion of all construction activities necessary to implement the site’s cleanup plan. EPA placed institutional controls on the Farm Chemicals Area to restrict land uses.

Prior to 2008, the PRPs conducted ground water sampling at the Farm Chemicals, Twin Sites and Fairway Six Areas on an annual basis. Since 2008, the PRPs have conducted sampling at the Fairway Six Area every five years as part of the Five-Year Review process. The PRPs sample and analyze ground water at the Farm Chemical and Twin Sites Areas every other year.

The site’s first Five-Year Review, completed in 2008,  recommended development of a plan describing the approach for placing restrictive covenants, well drilling ordinances and institutional controls on properties affected by site contamination to prevent the installation of drinking water wells. The Agency with the assistance of NCDENR, is preparing the second Five-Year Review Report which should be completed by the end of September 2013.

Summaries of cleanup activities are also available in Five-Year Reviews online.

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Enforcement Activities

EPA negotiated legal agreements with the site’s PRPs to investigate and clean up the site. The PRPs continue to fund site cleanup, monitoring and oversight activities.

RODs and Five-Year Reviews online provide additional information on specific legal agreements for the site.

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Community Involvement

EPA has worked with the community and its state partner to develop a long-term cleanup plan for the site, reflecting the Agency’s commitment to safe, healthy communities and environmental protection. Community engagement and public outreach are core components of EPA program activities.

EPA has conducted a range of community involvement activities to solicit community input and to make sure the public remains informed about site activities throughout the cleanup process. Outreach efforts have included fact sheets, public notices, interviews and information meetings.

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Future Work

The PRPs continue to conduct ground water cleanup activities. The PRPs continue to extract and treat contaminated ground water at the Route 211 Area and discharge the treated water back into the aquifer.
Ground water monitoring is ongoing.

EPA completed the last Five-Year Review in 2008 and completed the next Five-Year Review in 2013.

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Additional Information

EPA keeps additional site documents and information in a site information repository at the location below. EPA also posts site documents, when available, on EPA’s CERCLIS Site Profile page. For documents not available on the website, please contact the Region 4 Freedom of Information Office.

Site Repository

Aberdeen Town Hall
115 North Poplar Street
Aberdeen, NC  28315

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