standard chlorine of delaware, inc.

745 GOVERNOR LEA RD

The Standard Chlorine of Delaware, Inc. Superfund Site (also known as Metachem) is three miles northwest of Delaware City. It is approximately 65 acres in size, and is west of River Road (Route 9) near the south bank of Red Lion Creek. The plant was built in 1965 on what was then farmland. The area is now quite industrialized with many other companies located nearby, such as the Delaware City Refinery, Stauffer Chemical, the former Occidental Chemical property, and the former Air Products and Chemicals property, to name a few. Standard Chlorine sold the plant to Metachem Products, L.L.C. in 1998, but in 2002, Metachem abruptly closed and abandoned the plant and declared bankruptcy. Standard Chlorine of Delaware, later Metachem, manufactured chlorinated benzene compounds from 1966 to 2002. The site was listed on EPA's National Priorities List of most hazardous waste sites in 1987, due to a 1981 chlorobenzene chemical spill, which occurred when workers were filling a railroad tanker car. An additional spill occurred in 1986, when 569,000 gallons of various volatile organic compounds spilled, damaging some nearby tanks, causing the latter tanks to partially spill. Chlorobenzenes from the spill have been found in groundwater, soil, creek sediments, surface water, and nearby wetlands. A fish consumption advisory is in effect for the Red Lion Creek for PCBs and dioxin.

Hazardous Ranking Score

35 / 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

        2

        People living
        within a 1 mile radius

        $63,558

        Average Income

        1

        Occupied homes

        Potentially Responsible Parties

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