aberdeen proving ground (edgewood area)

OFF RTE 40

The Edgewood area is 13,000 acres and includes Gunpowder Neck, Pooles Island, Carroll Island, and Graces Quarters. The Edgewood area was used for the development and testing of chemical agent munitions. From 1917 to the present, the Edgewood area conducted chemical research programs, manufactured chemical agents, and tested, stored, and disposed of toxic materials. The Edgewood area has large areas of land and water and numerous buildings that are contaminated or suspected of contamination. Virtually all the land areas of the site contain contaminated or potentially contaminated sites and potentially buried ordnance. Substances disposed of in the area include significant quantities of napalm, white phosphorus, and chemical agents. On-site surface waters include rivers, streams, and wetlands. There are 38,600 people living within three miles of the site. On-site residences house military personnel and military dependents. Four Edgewood-area standby water supply wells in the Canal Creek area previously served approximately 3,000 people. These wells have been abandoned. The Long Bar Harbor well field of the County Department of Public Works and the well field used by the Joppatowne Sanitary Subdistrict serve 35,000 people within three miles of the site. On-site groundwater sampling has identified various metals, volatile organic compounds (VOCs) and chemical warfare agent degradation products. On-site soil contamination sampling has identified various VOCs, metals, and unexploded ordnance in surface and subsurface soil. On-site surface water sampling has identified various metals, pesticides, phosphorus, and VOCs. People who accidentally ingest or come in direct contact with contaminated groundwater, surface water, soil, or sediments may be at risk. The area is a designated habitat for bald eagles.

Hazardous Ranking Score

54 / 100

A score of 28.5 or higher qualifies a site for the Superfund National Priority List.

Regional Contact

Region 3
Within the region: (800) 438-2474
Outside the region: (215) 814-5000

Contact Region

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Timeline

Discovery
Site Inspection
Preliminary Assessment
Final Listing On NPL
Removal

Contaminants & Health Effects

      Carcinogen
      Endocrine Disrupter
      Neurotoxic
      Sensitiser
      Reproductive Toxin
      Persistent, bioaccumulative and toxic
      VOC
      Mutagen

        Census

        White
        African American
        Asian
        American Indian and Alaska Native
        Native Hawaiian
        Other

        44

        People living
        within a 1 mile radius

        $102,362

        Average Income

        17

        Occupied homes

        Potentially Responsible Parties

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