| Study Underway: |
| |
| AIR FORCE PLANT 85 | FRANKLIN County, OH |
| AIR FORCE PLANT PJKS | JEFFERSON County, CO |
| ALABAMA PLATING CO INC | SHELBY County, AL |
| ALAMEDA NAVAL AIR STATION | ALAMEDA County, CA |
| ALARK HARD CHROME | RIVERSIDE County, CA |
| AMCO CHEMICAL | ALAMEDA County, CA |
| AMERICAN BRASS INC. | HENRY County, AL |
| AMERICAN CREOSOTE WORKS INC | WINSTON County, MS |
| ANDREWS AIR FORCE BASE | PRINCE GEORGE'S County, MD |
| AQUA-TECH ENVIRONMENTAL INC (GROCE LABS) | SPARTANBURG County, SC |
| ARMCO INCORPORATION-HAMILTON PLANT | BUTLER County, OH |
| ASHLAND/NORTHERN STATES POWER LAKEFRONT | ASHLAND County, WI |
| BARBER ORCHARD | HAYWOOD County, NC |
| BAY CITY MIDDLEGROUNDS | BAY County, MI |
| BEEDE WASTE OIL | ROCKINGHAM County, NH |
| BELOIT CORP. | WINNEBAGO County, IL |
| BELTSVILLE AGRICULTURAL RESEARCH (USDA) | PRINCE GEORGE'S County, MD |
| BIG JOHN SALVAGE - HOULT RD SITE | MARION County, WV |
| BIG RIVER MINE TAILINGS/ST. JOE MINERALS | ST. FRANCOIS County, MO |
| BLACKBIRD MINE | LEMHI County, ID |
| BLACKBURN & UNION PRIVILEGES | NORFOLK County, MA |
| BOUNTIFUL/WOODS CROSS 5TH S. PCE PLUME | DAVIS County, UT |
| BRANDYWINE DRMO | PRINCE GEORGE'S County, MD |
| BRESLUBE-PENN, INC | ALLEGHENY County, PA |
| BRICK TOWNSHIP LANDFILL | OCEAN County, NJ |
| CALLOWAY & SON DRUM SERVICE | POLK County, FL |
| CAM-OR INC | LA PORTE County, IN |
| CAMILLA WOOD PRESERVING COMPANY | MITCHELL County, GA |
| CAPITOL CITY PLUME | MONTGOMERY County, AL |
| CASMALIA RESOURCES | SANTA BARBARA County, CA |
| CAYUGA GROUNDWATER CONTAMINATION SITE | CAYUGA County, NY |
| CENTRAL CHEMICAL (HAGERSTOWN) | WASHINGTON County, MD |
| CENTREDALE MANOR RESTORATION PROJECT | PROVIDENCE County, RI |
| CHANUTE AIR FORCE BASE | CHAMPAIGN County, IL |
| CHEMICAL COMMODITIES, INC. | JOHNSON County, KS |
| CIRCLE SMELTING CORP | CLINTON County, IL |
| COMBUSTION, INC. | LIVINGSTON Parish, LA |
| COMPUTER CIRCUITS | SUFFOLK County, NY |
| CONCORD NAVAL WEAPONS STATION | CONTRA COSTA County, CA |
| CONSOLIDATED IRON AND METAL | ORANGE County, NY |
| CORNELL DUBILIER ELECTRONICS INC | MIDDLESEX County, NJ |
| CPS/MADISON INDUSTRIES | MIDDLESEX County, NJ |
| CRAZY HORSE SANITARY LANDFILL | MONTEREY County, CA |
| CROWN CLEANERS OF WATERTOWN INC. | JEFFERSON County, NY |
| CULPEPER WOOD PRESERVERS, INC. | CULPEPER County, VA |
| DAVIS TIMBER COMPANY | LAMAR County, MS |
| DEL MONTE CORP. (OAHU PLANTATION) | HONOLULU County, HI |
| DEPUE/NEW JERSEY ZINC/MOBIL CHEM CORP | BUREAU County, IL |
| DIAMOND HEAD OIL REFINERY DIV. | HUDSON County, NJ |
| DOVER CHEMICAL CORP. | TUSCARAWAS County, OH | | |
| See full list of sites
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