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EPA Adds 10 Hazardous Waste Sites to Superfund’s National Priorities List / Fifteen additional sites proposed to be included on the NPL

Release Date: 03/08/2011
Contact Information: Richard Yost,, 202-564-7827, 202-564-4355

WASHINGTON -- The U.S. Environmental Protection Agency is adding 10 new hazardous waste sites that risk people’s health and threaten the environment to the National Priorities List of Superfund sites and is proposing to include 15 additional sites. Superfund is the federal program that investigates and cleans up the most complex, uncontrolled or abandoned hazardous waste sites in the country.

To date, there have been 1,637 sites listed on the NPL, 347 of which have been deleted, resulting in 1,290 current sites on the NPL. There are now 66 proposed sites awaiting final agency action: 61 in the general Superfund section and five in the federal facilities section. There are a total of 1,356 final and proposed sites.

Harmful contaminants found at the sites include arsenic, asbestos, barium, cadmium, chromium, copper, creosote, dichloroethene (DCE), dioxins, lead, mercury, pentachlorophenol (PCP), polynuclear aromatic hydrcarbons (PAHs), polychlorinated biphenyls (PCBs), tetrachloroethene (PCE), trichloroethane (TCA), trichloroethene (TCE), and zinc.

With all Superfund sites, EPA tries to identify and locate the parties potentially responsible for the contamination. For the newly listed sites without viable potentially responsible parties, EPA will investigate the full extent of the contamination before starting significant cleanup at the site. Therefore, it may be several years before significant cleanup funding is required for these sites.

Sites may be placed on the list through various mechanisms:

Numeric ranking established by EPA’s Hazard Ranking System
Designation by states or territories of one top-priority site
Meeting all three of the following requirements:

      o The Agency for Toxic Substances and Disease Registry (ATSDR) of the U.S. Department of Health and Human Services has issued a health advisory that recommends removing people from the site;
      o EPA determines the site poses a significant threat to public health; and
      o EPA anticipates it will be more cost-effective to use its remedial authority than to use its emergency removal authority to respond to the site.
For Federal Register notices and supporting documents for these final and proposed sites:

The following 10 sites have been added to the National Priorities List:

Dwyer Property Ground Water Plume, Elkton, Md.
Washington County Lead District – Furnace Creek, Caledonia, Mo.
ACM Smelter and Refinery, Cascade County, Mont.
Mansfield Trail Dump, Byram Township, N.J.
Dewey Loeffel Landfill, Nassau, N.Y.
Wright Chemical Corporation, Riegelwood, N.C.
Milford Contaminated Aquifer, Milford, Ohio
Cabo Rojo Ground Water Contamination, Cabo Rojo, Puerto Rico
Hormigas Ground Water Plume, Caguas, Puerto Rico
West County Road 112 Ground Water, Midland, Texas

The following 15 sites have been proposed to the National Priorities List:

Blue Ledge Mine, Rogue River – Siskiyou National Forest, Calif.
New Idria Mercury Mine, Idria, Calif.
Sandoval Zinc Company, Sandoval, Ill.
Gary Development Landfill, Gary, Ind.
Sauer Dump, Dundalk, Md.
Kerr-McGee Chemical Corp, Columbus, Miss.
Red Panther Chemical Company, Clarksdale, Miss.
Garfield Ground Water Contamination, Garfield, N.J.
MolyCorp Inc., Questa, N.M. (re-proposal)
New Cassel/Hicksville Ground Water Contamination, New Cassell/Hicksville, N.Y.
CTS of Asheville, Inc., Asheville, N.C.
Astoria Marine Construction Company, Ore.
North Ridge Estates, Klamath Falls, Ore.
US Finishing/Cone Mills, Greenville, S.C.
Alamo Contaminated Ground Water, Alamo, Tenn.