"Get Informed" Public Meeting to be held Wednesday, Oct. 6, 2010 at 6:30 pm at the Quality Inn, 815 Rt. 37 West, Toms River, NJ
The EPA added the Ciba-Geigy site in Dover Township, New Jersey to the Superfund National Priorities List on September 1, 1983 because of harmful chemicals found in the soil and ground water. The 1,400 acre Ciba-Geigy site located in Toms River, Dover Township, New Jersey contained a facility that manufactured dyes, pigments, resins and epoxy. Sludge and processed waste were disposed of on the site and seeped into the ground water, contaminating it with volatile organic compounds (VOCs), which are potentially harmful contaminants that can easily evaporate into the air. Site ground water flows east toward the Toms River and adjacent wetlands.
The Township of Dover has an estimated population of 90,000. The Ciba-Geigy site is bordered by commercial, residential, and recreational areas of the Township. An elementary school and hundreds of residences are located within a half mile radius of the site. EPA required the closure of all affected residential irrigation wells, though no private drinking wells were located within the area of contaminated groundwater. The Ciba-Geigy site is fenced and guarded and there is limited access to the site. The local community is not impacted by the source areas.
EPA has focused its cleanup efforts on the treatment of contaminated ground water and soil and the excavation and off-site disposal of buried drums. Ground water extraction and treatment systems have been operational since March 1996. Approximately two million gallon of groundwater is treated each day. Treated ground water is discharged on site.
The excavation and disposal of 47,055 buried drums began in December 2003 and was completed in November 2004. Soil treatment began in July 2004 and will continue until 2010. Soil treatment involves the excavation of contaminated soil, treating the soil using bioremediation, a process that uses natural microorganisms to digest contaminates and breaks them down into non-hazardous components, and backfilling treated soil on site. This site poses no immediate threat to the surrounding community.
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