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Hercules Incorporated - Burlington Plant

EPA Identification Number: NJD011136884
Facility Location: Neck Road, Burlington Township, New Jersey 08016
Link to the site map
Facility Contact: Joe Keller, (302) 594-5467
EPA Contact: None
New Jersey Department of Environmental Protection (NJDEP) Case Manager: John Doyon, (609) 633-0713
Last Updated: July 2009
Environmental Indicator Status: Human Exposures Under Control [PDF 65.6 KB, 26 pp] has been verified.
Groundwater Contamination Under Control [PDF 195.08 KB, 22 pp] has been verified.

Site Description

The 135-acre Hercules Burlington Plant (HBP) is located on Neck Road, next to the Delaware River about 1.5 miles north of Burlington City in New Jersey. Land use in the vicinity of the site is predominantly industrial, but also includes residential and undeveloped areas.

Between the mid-1940 and 1993, HBP manufactured various products, including hard and liquid resins, a raw material for polyester fabrics, a herbicide and a detergent ingredient. HBP stored hazardous wastes from its production in a drum storage unit and in a waste storage tank, both of which are no longer operating. HBP closed the facility in 1993.

Potential Threats and Contaminants

Leaks from drainage ditches, which collected polluted runoff from process areas, contaminated adjacent soils with nickel and other metals. Leaks and spills in the areas where the hard and liquid resins were processed contaminated the soils underneath with metals, organic chemicals and asbestos.

Additionally, farming activities conducted prior to Hercules' operations are believed to have contaminated the groundwater underlying the site with arsenic and lead. There are other isolated areas in which the groundwater is contaminated with volatile organic chemicals. The contaminated groundwater has not spread beyond the Hercules site.

Cleanup Approach and Progress

Under a 1992 agreement with the New Jersey Department of Environmental Protection (NJDEP), Hercules conducted three phases of investigations of the contamination at the site and an ecological evaluation. The company implemented a cleanup plan which included excavating some of the contaminated soils, stabilizing or consolidating some of the excavated soil on-site, disposing of the remaining soil off-site and capping areas of where consolidated and/or stabilized soils were placed.  Capping in place was also employed in some areas in lieu of removal, depending on the risk to ecological receptors.  A deed notice will be placed on the property restricting future uses of the site to industrial purposes only and requiring continued maintenance of the cap.

Groundwater is currently being monitored to ensure that contamination continues to naturally attenuate.  A Classification Exception Area (CEA), which acknowledges continued groundwater contamination but restricts the use of the groundwater as long as it remains contaminated, has also been established.

Final Cleanup Status or Projection

Site Repository

Copies of supporting technical documents and correspondence cited in the site fact sheet are available for public review at the following location:

New Jersey Department of Environmental Protection
Division of Solid & Hazardous Waste
Records Center
401 E. State Street, 6th Floor
Trenton, NJ 08625
Telephone: (609) 777-3373
E-mail: records.custodian@dep.state.nj.us

The New Jersey Department of Environmental Protection (NJDEP) makes available its public records through formal request under the Open Public Records Act (OPRA).


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