| 10th Street Site | Columbus | NE | NPL Site | 28.90 |
| 29th & Mead Ground Water Contamination | Wichita | KS | Deleted NPL Site | 35.35 |
| 35th Avenue | Birmingham | AL | Proposed NPL Site | 50.00 |
| 57th and North Broadway Streets Site | Wichita Heights | KS | NPL Site | 50.00 |
| 68th Street Dump | Baltimore | MD | Proposed NPL Site | 50.00 |
| 700 South 1600 East PCE Plume | Salt Lake City | UT | NPL Site | 50.00 |
| A & F Materials Reclaiming, Inc. | Greenup | IL | Deleted NPL Site | 55.49 |
| A. O. Polymer | Sparta Township | NJ | NPL Site | 28.91 |
| A.I.W. Frank/Mid-County Mustang | Exton | PA | NPL Site | 42.40 |
| A.L. Taylor (Valley of Drums) | Brooks | KY | Deleted NPL Site | 0.00 |
| ABC One Hour Cleaners | Jacksonville | NC | NPL Site | 29.11 |
| Aberdeen Contaminated Ground Water | Aberdeen | NC | NPL Site | 50.00 |
| Aberdeen Pesticide Dumps | Aberdeen | NC | NPL Site | 52.70 |
| Aberdeen Proving Ground (Edgewood Area) | Edgewood | MD | NPL Site | 53.57 |
| Aberdeen Proving Ground (Michaelsville Landfill) | Aberdeen | MD | NPL Site | 31.09 |
| Abex Corp. | Portsmouth | VA | NPL Site | 36.53 |
| Ace Services | Colby | KS | NPL Site | 50.00 |
| ACM Smelter and Refinery | Black Eagle | MT | NPL Site | 54.26 |
| Acme Solvents Reclaiming, Inc. (Morristown Plant) | Morristown | IL | NPL Site | 31.98 |
| Acme Steel Coke Plant | Chicago | IL | NPL Site | 30.00 |
| Action Anodizing, Plating, & Polishing Corp. | Copiague | NY | Deleted NPL Site | 34.72 |
| Adak Naval Air Station | Adak | AK | NPL Site | 51.37 |
| Adam's Plating | Lansing | MI | NPL Site | 29.64 |
| Adams County Quincy Landfills 2&3 | Quincy | IL | NPL Site | 34.21 |
| Adrian Municipal Well Field | Adrian | MN | Deleted NPL Site | 33.62 |
| Advanced Micro Devices, Inc. | Sunnyvale | CA | NPL Site | 37.93 |
| Advanced Micro Devices, Inc. (Building 915) | Sunnyvale | CA | NPL Site | 31.94 |
| Aerojet General Corp. | Rancho Cordova | CA | NPL Site | 54.63 |
| Afterthought Mine | Bella Vista | CA | NPL Site | 50.00 |
| Agate Lake Scrapyard | Fairview Township | MN | Deleted NPL Site | 29.68 |
| Agrico Chemical Co. | Pensacola | FL | NPL Site | 44.98 |
| Agriculture Street Landfill | New Orleans | LA | NPL Site | 50.00 |
| Aidex Corp. | Council Bluffs | IA | Deleted NPL Site | 0.00 |
| Air Force Plant #4 (General Dynamics) | Fort Worth | TX | NPL Site | 39.92 |
| Air Force Plant 85 | Columbus | OH | Proposed NPL Site | 50.00 |
| Air Force Plant PJKS | Waterton | CO | NPL Site | 42.93 |
| Airco | Calvert City | KY | Deleted NPL Site | 33.29 |
| Airco Plating Co. | Miami | FL | NPL Site | 42.47 |
| Aircraft Components (D & L Sales) | Benton Harbor | MI | NPL Site | 0.00 |
| Alabama Army Ammunition Plant | Childersburg | AL | NPL Site | 36.83 |
| Alabama Plating Company, Inc. | Vincent | AL | NPL Site | 30.20 |
| Aladdin Plating | Scott Township | PA | Deleted NPL Site | 35.57 |
| Alameda Naval Air Station | Alameda | CA | NPL Site | 50.00 |
| Alamo Contaminated Ground Water | Alamo | TN | NPL Site | 50.00 |
| Alaric Area Ground Water Plume | Tampa | FL | NPL Site | 41.91 |
| Alark Hard Chrome | Riverside | CA | NPL Site | 50.50 |
| Alaska Battery Enterprises | Fairbanks North Star Borough | AK | Deleted NPL Site | 30.98 |
| Albion-Sheridan Township Landfill | Albion | MI | NPL Site | 33.79 |
| ALCOA (Point Comfort)/Lavaca Bay | Point Comfort | TX | NPL Site | 50.00 |
| ALCOA (Vancouver Smelter) | Vancouver | WA | Deleted NPL Site | 57.80 |
| Algoma Municipal Landfill | Algoma | WI | NPL Site | 39.99 |
| Allegany Ballistics Laboratory (USNAVY) | Mineral County | WV | NPL Site | 50.00 |
| Allied Chemical & Ironton Coke | Ironton | OH | NPL Site | 47.05 |
| Allied Paper, Inc./Portage Creek/Kalamazoo River | Kalamazoo | MI | NPL Site | 36.41 |
| Allied Plating, Inc. | Portland | OR | Deleted NPL Site | 39.25 |
| Alpha Chemical Corp. | Galloway | FL | Deleted NPL Site | 43.24 |
| Alsco Anaconda | Gnadenhutten | OH | Deleted NPL Site | 42.94 |
| Alternate Energy Resources | Augusta | GA | NPL Site | 50.00 |
| Ambler Asbestos Piles | Ambler | PA | Deleted NPL Site | 34.47 |
| Amcast Industrial Corporation | Cedarburg | WI | NPL Site | 46.86 |
| AMCO Chemical | Oakland | CA | NPL Site | 50.00 |
| American Anodco, Inc. | Ionia | MI | NPL Site | 57.99 |
| American Brass | Headland | AL | NPL Site | 55.61 |
| American Chemical Service, Inc. | Griffith | IN | NPL Site | 34.98 |
| American Creosote DeRidder | Deridder | LA | NPL Site | 50.00 |
| American Creosote Works (Pensacola Plant) | Pensacola | FL | NPL Site | 58.41 |
| American Creosote Works, Inc. | Louisville | MS | NPL Site | 62.20 |
| American Creosote Works, Inc. (Jackson Plant) | Jackson | TN | NPL Site | 35.22 |
| American Creosote Works, Inc. (Winnfield Plant) | Winnfield | LA | NPL Site | 50.70 |
| American Crossarm & Conduit Co. | Chehalis | WA | Deleted NPL Site | 30.44 |
| American Cyanamid Co. | Bound Brook | NJ | NPL Site | 50.28 |
| American Lake Gardens/McChord AFB | Tacoma | WA | NPL Site | 28.90 |
| American Thermostat Co. | South Cairo | NY | NPL Site | 33.61 |
| Amnicola Dump | Chattanooga | TN | Deleted NPL Site | 40.91 |
| Amoco Chemicals (Joliet Landfill) | Joliet | IL | NPL Site | 39.44 |
| AMP, Inc. (Glen Rock Facility) | Glen Rock | PA | Deleted NPL Site | 39.03 |
| Anaconda Aluminum Co Columbia Falls Reduction Plant | Columbia Falls | MT | NPL Site | 68.39 |
| Anaconda Aluminum Co./Milgo Electronics Corp. | Miami | FL | Deleted NPL Site | 31.03 |
| Anaconda Co. Smelter | Anaconda | MT | NPL Site | 58.71 |
| Anaconda Copper Mine | Yerington | NV | Proposed NPL Site | 50.00 |
| Anchor Chemicals | Hicksville | NY | Deleted NPL Site | 37.20 |
| Andersen Air Force Base | Yigo | GU | NPL Site | 50.00 |
| Anderson Development Co. | Adrian | MI | Deleted NPL Site | 31.02 |
| Andrews Air Force Base | Camp Springs | MD | NPL Site | 50.00 |
| Annapolis Lead Mine | Annapolis | MO | Deleted NPL Site | 56.67 |
| Anniston Army Depot (Southeast Industrial Area) | Anniston | AL | NPL Site | 51.91 |
| Anodyne, Inc. | North Miami Beach | FL | NPL Site | 31.03 |
| Apache Powder Co. | St. David | AZ | NPL Site | 39.09 |
| Applied Environmental Services | Glenwood Landing | NY | NPL Site | 41.15 |
| Applied Materials | Santa Clara | CA | NPL Site | 31.94 |
| Aqua-Tech Environmental Inc. (Groce Laboratories) | Greer | SC | NPL Site | 50.00 |
| Arcanum Iron & Metal | Darke County | OH | Deleted NPL Site | 62.26 |
| Arctic Surplus | Fairbanks | AK | Deleted NPL Site | 42.24 |
| Argonaut Mine | Jackson | CA | NPL Site | 58.31 |
| Arkansas City Dump | Arkansas City | KS | Deleted NPL Site | 0.00 |
| Arkla Terra Property | Thonotosassa | FL | NPL Site | 50.00 |
| Arkwood, Inc. | Omaha | AR | NPL Site | 28.95 |
| Arlington Blending & Packaging | Arlington | TN | NPL Site | 39.03 |
| Armco Inc., Hamilton Plant | Hamilton | OH | Proposed NPL Site | 69.34 |
| Armour Road | North Kansas City | MO | NPL Site | 50.00 |
| Armstrong World Industries | Macon | GA | NPL Site | 50.00 |
| Army Creek Landfill | New Castle County | DE | NPL Site | 69.92 |
| Arrcom (Drexler Enterprises) | Rathdrum | ID | Deleted NPL Site | 29.28 |
| Arrowhead Associates, Inc./Scovill Corp. | Montross | VA | NPL Site | 37.15 |
| Arrowhead Refinery Co. | Hermantown | MN | Deleted NPL Site | 43.75 |
| Arsenic Mine | Kent | NY | NPL Site | 0.00 |
| Arsenic Trioxide Site | Lidgerwood, Rutland, Wyndmere | ND | Deleted NPL Site | 0.00 |
| ASARCO Taylor Springs | Taylor Springs | IL | NPL Site | 30.00 |
| Asbestos Dump | Millington | NJ | Deleted NPL Site | 39.61 |
| Ashland/Northern States Power Lakefront | Ashland | WI | NPL Site | 50.00 |
| Astoria Marine Construction Company | Astoria | OR | Proposed NPL Site | 50.00 |
| AT & SF (Clovis) | Clovis | NM | Deleted NPL Site | 33.62 |
| AT&SF (Albuquerque) | Albuquerque | NM | NPL Site | 50.00 |
| Atlantic Fleet Weapons Training Area - Vieques | Vieques | PR | NPL Site | 0.00 |
| Atlantic Resources Corporation | Sayreville | NJ | NPL Site | 50.00 |
| Atlantic Wood Industries, Inc. | Portsmouth | VA | NPL Site | 37.14 |
| Atlas Asbestos Mine | Fresno County | CA | NPL Site | 45.55 |
| Atlas Tack Corp. | Fairhaven | MA | NPL Site | 42.60 |
| Auburn Road Landfill | Londonderry | NH | NPL Site | 36.30 |
| Austin Avenue Radiation Site | Delaware County | PA | Deleted NPL Site | 0.00 |
| Auto Ion Chemicals, Inc. | Kalamazoo | MI | NPL Site | 32.07 |
| Avco Lycoming (Williamsport Division) | Williamsport | PA | NPL Site | 42.24 |
| Avenue "E" Ground Water Contamination | Traverse City | MI | Deleted NPL Site | 31.19 |
| Avtex Fibers, Inc. | Front Royal | VA | NPL Site | 35.39 |
| B&B Chemical Co., Inc. | Hialeah | FL | Deleted NPL Site | 35.35 |
| B.F. Goodrich | Calvert City | KY | NPL Site | 33.01 |
| Baghurst Drive | Harleysville | PA | NPL Site | 50.00 |
| Bailey Waste Disposal | Bridge City | TX | Deleted NPL Site | 53.42 |
| Baird & McGuire | Holbrook | MA | NPL Site | 66.35 |
| Bally Ground Water Contamination | Bally Borough | PA | NPL Site | 37.93 |
| Bandera Road Ground Water Plume | Leon Valley | TX | NPL Site | 50.00 |
| Bangor Naval Submarine Base | Silverdale | WA | NPL Site | 55.91 |
| Bangor Ordnance Disposal (USNAVY) | Bremerton | WA | NPL Site | 30.42 |
| Barber Orchard | Waynesville | NC | NPL Site | 70.71 |
| Barceloneta Landfill | Florida Afuera | PR | Deleted NPL Site | 41.11 |
| Barite Hill/Nevada Goldfields | Mccormick | SC | NPL Site | 50.00 |
| Barker Hughesville Mining District | Barker | MT | NPL Site | 50.00 |
| Barkhamsted-New Hartford Landfill | Barkhamsted | CT | NPL Site | 38.05 |
| Barrels, Inc. | Lansing | MI | Deleted NPL Site | 42.24 |
| Barstow Marine Corps Logistics Base | Barstow | CA | NPL Site | 37.93 |
| Basin Mining Area | Basin | MT | NPL Site | 61.15 |
| Batavia Landfill | Batavia | NY | Deleted NPL Site | 50.18 |
| Bautsch-Gray Mine | Galena | IL | NPL Site | 48.97 |
| Baxter/Union Pacific Tie Treating | Laramie | WY | Deleted NPL Site | 37.24 |
| Bay City Middlegrounds | Bay City | MI | Proposed NPL Site | 50.00 |
| Bayou Bonfouca | Slidell | LA | NPL Site | 29.78 |
| Bayou Sorrel | Bayou Sorrel | LA | Deleted NPL Site | 34.69 |
| Baytown Township Ground Water Plume | Baytown Township | MN | NPL Site | 35.62 |
| Beachwood/Berkley Wells | Berkley Township | NJ | Deleted NPL Site | 42.24 |
| Beacon Heights Landfill | Beacon Falls | CT | NPL Site | 46.77 |
| Bear Creek Sediments | Sparrows Point | MD | NPL Site | 48.02 |
| Beaunit Corp. (Circular Knit & Dye) | Fountain Inn | SC | NPL Site | 32.44 |
| BEC Trucking | Vestal | NY | Deleted NPL Site | 30.75 |
| Beck's Lake | South Bend | IN | NPL Site | 50.00 |
| Beckman Instruments (Porterville Plant) | Porterville | CA | Deleted NPL Site | 34.21 |
| Bee Cee Manufacturing Co. | Malden | MO | NPL Site | 28.59 |
| Beede Waste Oil | Plaistow | NH | NPL Site | 70.71 |
| Behr Dayton Thermal System VOC Plume | Dayton | OH | NPL Site | 50.00 |
| Bell Landfill | Terry Township | PA | NPL Site | 34.79 |
| Beloit Corp. | Rockton | IL | NPL Site | 52.08 |
| Beltsville Agricultural Research Center (USDA) | Beltsville | MD | NPL Site | 50.00 |
| Belvidere Municipal Landfill | Belvidere | IL | Deleted NPL Site | 28.62 |
| Bendix Corp./Allied Automotive | St. Joseph | MI | NPL Site | 37.27 |
| Bendix Flight Systems Division | Bridgewater Township | PA | NPL Site | 33.74 |
| Benfield Industries, Inc. | Hazelwood | NC | NPL Site | 31.67 |
| Bennett Stone Quarry | Bloomington | IN | Deleted NPL Site | 32.55 |
| Bennington Municipal Sanitary Landfill | Bennington | VT | NPL Site | 49.07 |
| Berkley Products Co. Dump | Denver | PA | Deleted NPL Site | 30.00 |
| Berks Landfill | Spring Township | PA | Deleted NPL Site | 46.10 |
| Berks Sand Pit | Longswamp Township | PA | NPL Site | 32.02 |
| Berlin & Farro | Swartz Creek | MI | Deleted NPL Site | 66.74 |
| Better Brite Plating Chrome & Zinc Shops | Depere | WI | NPL Site | 48.91 |
| Beulah Landfill | Pensacola | FL | Deleted NPL Site | 38.17 |
| BFI Sanitary Landfill (Rockingham) | Rockingham | VT | NPL Site | 41.92 |
| Big D Campground | Kingsville | OH | NPL Site | 30.77 |
| Big John Salvage - Hoult Road | Fairmont | WV | NPL Site | 48.57 |
| Big River Mine Tailings/St. Joe Minerals Corp. | Desloge | MO | NPL Site | 84.91 |
| Big River Sand Co. | Wichita | KS | Deleted NPL Site | 32.56 |
| Billings PCE | Billings | MT | NPL Site | 50.00 |
| Bio-Ecology Systems, Inc. | Grand Prairie | TX | Deleted NPL Site | 35.06 |
| BioClinical Laboratories, Inc. | Bohemia | NY | Deleted NPL Site | 32.91 |
| BJAT LLC | Franklin | MA | NPL Site | 41.91 |
| Black Butte Mine | Cottage Grove | OR | NPL Site | 50.00 |
| Black River PCBs | Town Of Champion | NY | NPL Site | 48.03 |
| Blackbird Mine | Lemhi County | ID | Proposed NPL Site | 50.00 |
| Blackburn and Union Privileges | Walpole | MA | NPL Site | 50.00 |
| Blades Groundwater | Blades | DE | NPL Site | 50.00 |
| Blosenski Landfill | West Caln Township | PA | NPL Site | 30.57 |
| Blue Ledge Mine | Rogue River - Siskiyou National Forest | CA | NPL Site | 50.28 |
| Blue Ridge Plating Company | Arden | NC | NPL Site | 38.67 |
| BMI-Textron | Lake Park | FL | Deleted NPL Site | 35.34 |
| Boarhead Farms | Bridgeton Township | PA | NPL Site | 39.92 |
| Bofors Nobel, Inc. | Muskegon | MI | NPL Site | 53.42 |
| Bog Creek Farm | Howell Township | NJ | NPL Site | 43.23 |
| Boise Cascade/Onan Corp./Medtronics, Inc. | Fridley | MN | Deleted NPL Site | 50.06 |
| Bonita Peak Mining District | San Juan County | CO | NPL Site | 50.00 |
| Bonneville Power Administration Ross Complex (USDOE) | Vancouver | WA | Deleted NPL Site | 53.67 |
| Boomsnub/Airco | Vancouver | WA | NPL Site | 0.00 |
| BoRit Asbestos | Ambler | PA | NPL Site | 50.00 |
| Bountiful/Woods Cross 5th South PCE Plume | Bountiful, Woods Cross | UT | NPL Site | 50.00 |
| Bowers Landfill | Circleville | OH | Deleted NPL Site | 50.49 |
| Bradford Island | Cascade Locks | OR | NPL Site | 50.00 |
| Brandywine DRMO | Brandywine | MD | NPL Site | 50.15 |
| Brantley Landfill | Island | KY | Deleted NPL Site | 52.73 |
| Bremerton Gasworks | Bremerton | WA | NPL Site | 50.00 |
| Breslube-Penn, Inc | Coraopolis | PA | NPL Site | 50.00 |
| Brewer Gold Mine | Jefferson | SC | NPL Site | 50.00 |
| Brewster Well Field | Brewster | NY | NPL Site | 37.93 |
| Brick Township Landfill | Brick Township | NJ | NPL Site | 58.13 |
| Bridgeport Rental & Oil Services | Bridgeport | NJ | NPL Site | 60.73 |
| Brillo Landfill | Victory | NY | NPL Site | 30.00 |
| Brine Service Company | Corpus Christi | TX | NPL Site | 50.00 |
| Brio Refining, Inc. | Friendswood | TX | Deleted NPL Site | 50.38 |
| Broadway Street Corridor Groundwater Contamination | Anderson | IN | NPL Site | 50.00 |
| Broderick Wood Products | Denver | CO | NPL Site | 35.13 |
| Brodhead Creek | Stroudsburg | PA | Deleted NPL Site | 31.09 |
| Brook Industrial Park | Bound Brook | NJ | NPL Site | 58.12 |
| Brookhaven National Laboratory (USDOE) | Upton | NY | NPL Site | 39.92 |
| Brown & Bryant, Inc. (Arvin Plant) | Arvin | CA | NPL Site | 53.36 |
| Brown Wood Preserving | Live Oak | FL | Deleted NPL Site | 45.51 |
| Brown's Battery Breaking | Shoemakersville | PA | NPL Site | 37.34 |
| Bruin Lagoon | Bruin Borough | PA | Deleted NPL Site | 73.11 |
| Bruno Co-op Association/Associated Properties | Bruno | NE | NPL Site | 50.00 |
| Brunswick Naval Air Station | Brunswick | ME | NPL Site | 43.38 |
| Brunswick Wood Preserving | Brunswick | GA | NPL Site | 54.49 |
| Buckeye Reclamation | St. Clairsville | OH | Deleted NPL Site | 35.10 |
| Buckingham County Landfill | Buckingham | VA | NPL Site | 40.70 |
| Bunker Hill Mining & Metallurgical Complex | Smelterville | ID | NPL Site | 54.76 |
| Burgess Brothers Landfill | Woodford | VT | NPL Site | 52.58 |
| Burlington Industries Cheraw | Cheraw | SC | NPL Site | 48.00 |
| Burlington Northern (Brainerd/Baxter Plant) | Baxter, Brainerd | MN | NPL Site | 46.77 |
| Burnt Fly Bog | Marlboro Township | NJ | NPL Site | 59.16 |
| Burrows Sanitation | Hartford | MI | Deleted NPL Site | 30.59 |
| Bush Valley Landfill | Abingdon | MD | NPL Site | 40.30 |
| Butler Mine Tunnel | Pittston | PA | Deleted NPL Site | 49.51 |
| Butterworth #2 Landfill | Grand Rapids | MI | NPL Site | 50.31 |
| Butz Landfill | Stroudsburg | PA | NPL Site | 32.00 |
| Bypass 601 Ground Water Contamination | Concord | NC | NPL Site | 37.93 |
| Byron Barrel & Drum | Byron | NY | NPL Site | 37.27 |
| Byron Salvage Yard | Byron | IL | NPL Site | 33.93 |
| C & D Recycling | Foster Township | PA | Deleted NPL Site | 43.92 |
| C & J Disposal Leasing Co. Dump | Hamilton | NY | Deleted NPL Site | 35.10 |
| C & R Battery Co., Inc. | Chesterfield County | VA | Deleted NPL Site | 46.44 |
| Cabo Rojo Ground Water Contamination | Cabo Rojo | PR | NPL Site | 50.00 |
| Cabot/Koppers | Gainesville | FL | NPL Site | 36.69 |
| Cal West Metals (USSBA) | Lemitar | NM | Deleted NPL Site | 59.37 |
| Caldwell Lace Leather Co., Inc. | Auburn | KY | NPL Site | 34.21 |
| Caldwell Trucking Co. | Fairfield | NJ | NPL Site | 58.30 |
| California Gulch | Leadville | CO | NPL Site | 55.84 |
| Callahan Mine | Brooksville | ME | NPL Site | 50.00 |
| Callaway & Son Drum Service | Lake Alfred | FL | Deleted NPL Site | 46.22 |
| Cam-Or Inc. | Westville | IN | NPL Site | 58.91 |
| Camilla Wood Preserving Company | Camilla | GA | NPL Site | 50.00 |
| Camp Lejeune Military Reservation | Onslow County | NC | NPL Site | 33.13 |
| Camp Pendleton Marine Corps Base | San Diego County | CA | NPL Site | 33.79 |
| Caney Residential Yards | Caney | KS | NPL Site | 50.00 |
| Cannelton Industries, Inc. | Sault Sainte Marie | MI | NPL Site | 30.16 |
| Cannon Engineering Corp. (CEC) | Bridgewater | MA | Deleted NPL Site | 39.89 |
| Cape Fear Wood Preserving | Fayetteville | NC | NPL Site | 34.09 |
| Capitol Lakes | Baton Rouge | LA | NPL Site | 50.00 |
| Captain Jack Mill | Ward | CO | NPL Site | 50.56 |
| Carlisle Village Cleaners | Albuquerque | NM | NPL Site | 50.00 |
| Carolawn, Inc. | Fort Lawn | SC | NPL Site | 32.04 |
| Carolina Transformer Co. | Fayetteville | NC | NPL Site | 33.76 |
| Carpenter Snow Creek Mining District | Neihart | MT | NPL Site | 50.00 |
| Carrier Air Conditioning Co. | Collierville | TN | NPL Site | 48.91 |
| Carroll & Dubies Sewage Disposal | Port Jervis | NY | NPL Site | 33.74 |
| Carson River Mercury Site | Churchill County, Lyon County | NV | NPL Site | 39.07 |
| Carter Industrials, Inc. | Detroit | MI | Deleted NPL Site | 37.79 |
| Carter Lee Lumber Co. | Indianapolis | IN | Deleted NPL Site | 35.40 |
| Casmalia Resources | Casmalia | CA | NPL Site | 30.00 |
| Castle Air Force Base (6 Areas) | Merced | CA | NPL Site | 37.93 |
| Cayuga County Ground Water Contamination | Aurelius, Fleming, Springport | NY | NPL Site | 50.00 |
| Cecil Field Naval Air Station | Jacksonville | FL | NPL Site | 31.99 |
| Cecil Lindsey | Newport | AR | Deleted NPL Site | 35.60 |
| Cedar Chemical Corporation | West Helena | AR | NPL Site | 0.00 |
| Cedartown Industries, Inc. | Cedartown | GA | Deleted NPL Site | 42.00 |
| Cedartown Municipal Landfill | Cedartown | GA | Deleted NPL Site | 33.62 |
| Celanese Corp. (Shelby Fiber Operations) | Shelby | NC | NPL Site | 48.98 |
| Celtor Chemical Works | Hoopa | CA | Deleted NPL Site | 30.31 |
| Cemetery Dump | Rose Center | MI | Deleted NPL Site | 34.16 |
| Central Chemical (Hagerstown) | Hagerstown | MD | NPL Site | 50.00 |
| Central City, Clear Creek | Idaho Springs | CO | NPL Site | 51.39 |
| Central Illinois Public Service Co. | Taylorville | IL | NPL Site | 28.95 |
| Central Landfill | Johnston | RI | NPL Site | 46.71 |
| Central Wood Preserving Co. | Slaughter | LA | Deleted NPL Site | 48.53 |
| Centralia Municipal Landfill | Centralia | WA | NPL Site | 36.36 |
| Centre County Kepone | State College Borough | PA | NPL Site | 45.09 |
| Centredale Manor Restoration Project | North Providence | RI | NPL Site | 70.71 |
| Charles Macon Lagoon & Drum Storage | Cordova | NC | NPL Site | 47.10 |
| Charles-George Reclamation Trust Landfill | Tyngsborough | MA | NPL Site | 47.20 |
| Charlevoix Municipal Well | Charlevoix | MI | Deleted NPL Site | 37.94 |
| Chem Central | Wyoming Township | MI | NPL Site | 38.20 |
| Chem-Dyne | Hamilton | OH | NPL Site | 0.00 |
| Chem-Fab | Doylestown | PA | NPL Site | 50.00 |
| Chem-Solv, Inc. | Cheswold | DE | Deleted NPL Site | 37.93 |
| Chemet Co. | Moscow | TN | Deleted NPL Site | 50.00 |
| Chemetco | Hartford | IL | NPL Site | 30.00 |
| Chemfax, Inc. | Gulfport | MS | NPL Site | 38.40 |
| Chemform, Inc. | Pompano Beach | FL | Deleted NPL Site | 37.93 |
| Chemical & Minerals Reclamation | Cleveland | OH | Deleted NPL Site | 0.00 |
| Chemical Commodities, Inc. | Olathe | KS | NPL Site | 50.00 |
| Chemical Control | Elizabeth | NJ | NPL Site | 47.13 |
| Chemical Insecticide Corp. | Edison Township | NJ | NPL Site | 37.93 |
| Chemical Leaman Tank Lines, Inc. | Bridgeport | NJ | NPL Site | 47.53 |
| Chemical Metals Industries, Inc. | Baltimore | MD | Deleted NPL Site | 0.00 |
| Chemical Sales Co. | Denver | CO | NPL Site | 37.93 |
| Chemsol, Inc. | Piscataway | NJ | NPL Site | 42.69 |
| Chemtronics, Inc. | Swannanoa | NC | NPL Site | 30.16 |
| Cherokee County | Cherokee County | KS | NPL Site | 58.15 |
| Cherokee Zinc - Weir Smelter | Weir | KS | NPL Site | 51.78 |
| Cherry Point Marine Corps Air Station | Havelock | NC | NPL Site | 70.71 |
| Cheshire Ground Water Contamination | Cheshire | CT | Deleted NPL Site | 35.57 |
| Chevron Chemical Co. (Ortho Division) | Orlando | FL | NPL Site | 50.00 |
| Chevron Questa Mine | Questa | NM | NPL Site | 50.00 |
| Chisman Creek | York County | VA | NPL Site | 47.19 |
| Chlor-Alkali Facility (Former) | Berlin | NH | NPL Site | 30.54 |
| Ciba-Geigy Corp. | Toms River | NJ | NPL Site | 50.33 |
| Ciba-Geigy Corp. (McIntosh Plant) | Mcintosh | AL | NPL Site | 53.42 |
| Cidra Ground Water Contamination | Cidra | PR | NPL Site | 50.00 |
| Cimarron Mining Corp. | Carrizozo | NM | Deleted NPL Site | 38.93 |
| Cinnaminson Township (Block 702) Ground Water Contamination | Cinnaminson Township | NJ | NPL Site | 37.93 |
| Circle Court Ground Water Plume | Willow Park | TX | NPL Site | 50.00 |
| Circle Smelting Corp | Beckemeyer | IL | Proposed NPL Site | 70.71 |
| Circuitron Corp. | East Farmingdale | NY | NPL Site | 54.27 |
| City Disposal Corp. Landfill | Dunn | WI | NPL Site | 36.84 |
| City Industries, Inc. | Orlando | FL | NPL Site | 32.00 |
| City of Perryton Well No. 2 | Perryton | TX | NPL Site | 50.00 |
| Clare Water Supply | Clare | MI | NPL Site | 38.43 |
| Claremont Polychemical | Old Bethpage | NY | NPL Site | 31.62 |
| Clearwater Finishing | Clearwater | SC | NPL Site | 47.99 |
| Cleburn Street Well | Grand Island | NE | NPL Site | 50.00 |
| Cleve Reber | Sorrento | LA | Deleted NPL Site | 48.80 |
| Cleveland Mill | Silver City | NM | Deleted NPL Site | 40.37 |
| Cliff Drive Groundwater Contamination | Logansport | IN | NPL Site | 50.00 |
| Cliff/Dow Dump | Marquette | MI | Deleted NPL Site | 34.50 |
| Clinch River Corporation | Harriman | TN | NPL Site | 48.03 |
| Clothier Disposal | Town Of Granby | NY | Deleted NPL Site | 34.48 |
| Coakley Landfill | North Hampton | NH | NPL Site | 29.16 |
| Coalinga Asbestos Mine | Coalinga | CA | Deleted NPL Site | 45.55 |
| Coast Wood Preserving | Ukiah | CA | NPL Site | 44.73 |
| Coker's Sanitation Service Landfills | Kent County | DE | Deleted NPL Site | 52.15 |
| Colbert Landfill | Spokane | WA | NPL Site | 41.59 |
| Coleman-Evans Wood Preserving Co. | Whitehouse | FL | Deleted NPL Site | 46.18 |
| Colesville Municipal Landfill | Town Of Colesville | NY | NPL Site | 30.26 |
| Collins & Aikman Plant (Former) | Farmington | NH | NPL Site | 50.00 |
| Colonial Creosote | Bogalusa | LA | NPL Site | 50.00 |
| Colorado Smelter | Pueblo | CO | NPL Site | 50.00 |
| Columbus Old Municipal Landfill #1 | Columbus | IN | Deleted NPL Site | 45.31 |
| Combe Fill North Landfill | Mount Olive Township | NJ | Deleted NPL Site | 47.79 |
| Combe Fill South Landfill | Chester Township | NJ | NPL Site | 45.22 |
| Combustion, Inc. | Denham Springs | LA | NPL Site | 33.79 |
| Commencement Bay, Near Shore/Tide Flats | Pierce County | WA | NPL Site | 42.20 |
| Commencement Bay, South Tacoma Channel | Tacoma | WA | NPL Site | 54.63 |
| Commerce Street Plume | Williston | VT | NPL Site | 48.48 |
| Commodore Semiconductor Group | Lower Providence Township | PA | NPL Site | 42.35 |
| Compass Industries (Avery Drive) | Tulsa | OK | Deleted NPL Site | 36.57 |
| Compass Plaza Well TCE | Rogersville | MO | NPL Site | 50.00 |
| Computer Circuits | Hauppauge | NY | NPL Site | 50.00 |
| Concord Naval Weapons Station | Concord | CA | NPL Site | 50.00 |
| Conklin Dumps | Conklin | NY | Deleted NPL Site | 33.93 |
| Conrail Rail Yard (Elkhart) | Elkhart | IN | NPL Site | 42.24 |
| Conroe Creosoting Company | Conroe | TX | NPL Site | 48.00 |
| Conservation Chemical Co. | Kansas City | MO | NPL Site | 29.85 |
| Consolidated Iron and Metal | Newburgh | NY | Deleted NPL Site | 50.00 |
| Continental Cleaners | Miami | FL | NPL Site | 50.00 |
| Continental Steel Corp. | Kokomo | IN | NPL Site | 31.85 |
| Cooper Drum Company | South Gate | CA | NPL Site | 50.00 |
| Cooper Road | Voorhees Township | NJ | Deleted NPL Site | 36.79 |
| Copley Square Plaza | Copley | OH | NPL Site | 50.00 |
| Copper Bluff Mine | Hoopa | CA | NPL Site | 50.00 |
| Cornell Dubilier Electronics, Inc. | South Plainfield | NJ | NPL Site | 50.27 |
| Cornhusker Army Ammunition Plant | Hall County | NE | NPL Site | 51.13 |
| Corozal Well | Corozal | PR | NPL Site | 50.00 |
| Cortese Landfill | Village Of Narrowsburg | NY | NPL Site | 32.11 |
| Cosden Chemical Coatings Corp. | Beverly | NJ | NPL Site | 33.86 |
| Coshocton Landfill | Franklin Township | OH | Deleted NPL Site | 39.14 |
| CPS/Madison Industries | Old Bridge Township | NJ | NPL Site | 69.73 |
| Craig Farm Drum | Parker | PA | Deleted NPL Site | 28.72 |
| Crater Resources, Inc./Keystone Coke Co./Alan Wood Steel Co. | Upper Merion Township | PA | NPL Site | 50.00 |
| Crazy Horse Sanitary Landfill | Salinas | CA | NPL Site | 37.93 |
| Creese & Cook Tannery (Former) | Danvers | MA | NPL Site | 60.57 |
| Cristex Drum | Oxford | NC | NPL Site | 48.00 |
| Cross Brothers Pail Recycling (Pembroke) | Pembroke Township | IL | NPL Site | 42.04 |
| Crossley Farm | Hereford Township | PA | NPL Site | 29.66 |
| Crown Cleaners of Watertown, Inc. | Carthage | NY | NPL Site | 49.00 |
| Crown Vantage Landfill | Alexandria Township | NJ | Deleted NPL Site | 50.00 |
| Croydon TCE | Croydon | PA | NPL Site | 31.60 |
| CryoChem, Inc. | Worman | PA | NPL Site | 28.58 |
| Crystal Chemical Co. | Houston | TX | NPL Site | 60.90 |
| Crystal City Airport | Crystal City | TX | Deleted NPL Site | 32.26 |
| CTS of Asheville, Inc. | Asheville | NC | NPL Site | 38.40 |
| CTS Printex, Inc. | Mountain View | CA | NPL Site | 33.62 |
| Culpeper Wood Preservers, Inc. | Culpeper | VA | NPL Site | 45.91 |
| Curcio Scrap Metal, Inc. | Saddle Brook Township | NJ | NPL Site | 34.37 |
| Curtis Bay Coast Guard Yard | Anne Arundel County | MD | NPL Site | 50.00 |
| Curtis Specialty Papers, Inc. | Milford | NJ | NPL Site | 50.00 |
| D'Imperio Property | Hamilton Township | NJ | NPL Site | 55.79 |
| D.L. Mud, Inc. | Abbeville | LA | Deleted NPL Site | 32.37 |
| Dakhue Sanitary Landfill | Cannon Falls | MN | Deleted NPL Site | 42.24 |
| Darling Hill Dump | Lyndon | VT | Deleted NPL Site | 43.92 |
| Davenport and Flagstaff Smelters | Sandy City | UT | Deleted NPL Site | 32.50 |
| Davie Landfill | Davie | FL | Deleted NPL Site | 57.86 |
| Davis (GSR) Landfill | Glocester | RI | Deleted NPL Site | 38.89 |
| Davis Liquid Waste | Smithfield | RI | NPL Site | 47.25 |
| Davis Park Road TCE | Gastonia | NC | NPL Site | 33.50 |
| Davis Timber Company | Hattiesburg | MS | Deleted NPL Site | 48.57 |
| Davisville Naval Construction Battalion Center | North Kingstown | RI | NPL Site | 34.52 |
| Dayco Corp./L.E. Carpenter Co. | Wharton Borough | NJ | NPL Site | 46.13 |
| De Rewal Chemical Co. | Kingwood Township | NJ | NPL Site | 35.72 |
| Defense General Supply Center (DLA) | Chesterfield County | VA | NPL Site | 33.85 |
| Del Amo | Los Angeles | CA | NPL Site | 47.12 |
| Del Monte Corp. (Oahu Plantation) | Honolulu County | HI | NPL Site | 50.00 |
| Del Norte Pesticide Storage | Crescent City | CA | Deleted NPL Site | 35.79 |
| Delatte Metals | Ponchatoula | LA | Deleted NPL Site | 50.00 |
| Delavan Municipal Well #4 | Delavan | WI | NPL Site | 28.90 |
| Delaware City PVC Plant | Delaware City | DE | NPL Site | 30.55 |
| Delaware Sand & Gravel Landfill | New Castle County | DE | NPL Site | 46.60 |
| Delfasco Forge | Grand Prairie | TX | NPL Site | 50.00 |
| Delilah Road | Egg Harbor Township | NJ | Deleted NPL Site | 49.33 |
| Delta Quarries & Disposal, Inc./Stotler Landfill | Antis Township, Logan Township | PA | NPL Site | 41.08 |
| Delta Shipyard | Houma | LA | NPL Site | 48.05 |
| Denver Radium Site | Denver | CO | NPL Site | 44.11 |
| Denzer & Schafer X-Ray Co. | Bayville | NJ | Deleted NPL Site | 40.36 |
| DePue/New Jersey Zinc/Mobil Chemical Corp. | Depue | IL | NPL Site | 70.71 |
| Des Moines TCE | Des Moines | IA | NPL Site | 42.28 |
| Devil's Swamp Lake | Scotlandville | LA | Proposed NPL Site | 50.00 |
| Dewey Loeffel Landfill | Nassau | NY | NPL Site | 50.00 |
| Diamond Alkali Co. | Newark | NJ | NPL Site | 35.40 |
| Diamond Head Oil Refinery Div. | Kearny | NJ | NPL Site | 30.00 |
| Diamond Shamrock Corp. Landfill | Cedartown | GA | NPL Site | 35.60 |
| Diaz Chemical Corporation | Holley | NY | NPL Site | 50.00 |
| Distler Brickyard | West Point | KY | NPL Site | 44.77 |
| Distler Farm | Jefferson County | KY | NPL Site | 34.62 |
| Dixie Caverns County Landfill | Salem | VA | Deleted NPL Site | 35.27 |
| Dixie Oil Processors, Inc. | Friendswood | TX | Deleted NPL Site | 34.21 |
| Doepke Disposal (Holliday) | Johnson County | KS | NPL Site | 47.46 |
| Donna Reservoir and Canal System | Donna | TX | NPL Site | 50.00 |
| Donnelsville Contaminated Aquifer | Donnelsville | OH | NPL Site | 35.06 |
| Dorado Ground Water Contamination | Dorado | PR | NPL Site | 50.00 |
| Dorney Road Landfill | Upper Macungie Township | PA | Deleted NPL Site | 46.10 |
| Double Eagle Refinery Co. | Oklahoma City | OK | Deleted NPL Site | 30.83 |
| Douglas Road/Uniroyal, Inc., Landfill | Mishawaka | IN | NPL Site | 36.61 |
| Douglassville Disposal | Douglassville | PA | NPL Site | 55.18 |
| Dover Air Force Base | Dover | DE | NPL Site | 35.89 |
| Dover Chemical Corp. | Dover | OH | Proposed NPL Site | 50.00 |
| Dover Gas Light Co. | Dover | DE | NPL Site | 35.57 |
| Dover Municipal Landfill | Dover | NH | NPL Site | 36.98 |
| Dover Municipal Well 4 | Dover | NJ | NPL Site | 28.90 |
| Drake Chemical | Lock Haven | PA | NPL Site | 38.52 |
| DSC McLouth Steel Gibraltar Plant | Gibraltar | MI | NPL Site | 50.00 |
| Dublin TCE Site | Dublin Borough | PA | NPL Site | 28.90 |
| Dubose Oil Products Co. | Cantonment | FL | Deleted NPL Site | 34.18 |
| Duell & Gardner Landfill | Dalton Township | MI | Deleted NPL Site | 34.68 |
| DuPage County Landfill/Blackwell Forest | Warrenville | IL | Deleted NPL Site | 35.57 |
| Durham Meadows | Durham | CT | NPL Site | 33.94 |
| Dutchtown Treatment Plant | Ascension Parish | LA | Deleted NPL Site | 36.41 |
| Dwyer Property Ground Water Plume | Elkton | MD | NPL Site | 50.00 |
| E.H. Schilling Landfill | Hamilton Township | OH | NPL Site | 34.56 |
| E.I. du Pont de Nemours & Co., Inc. (County Road X23) | West Point | IA | Deleted NPL Site | 46.01 |
| E.I. du Pont de Nemours & Co., Inc. (Newport Pigment Plant Landfill) | Newport | DE | NPL Site | 51.91 |
| Eagle Industries | Midwest City | OK | NPL Site | 50.00 |
| Eagle Mine | Minturn, Redcliff | CO | NPL Site | 47.19 |
| Eagle Picher Carefree Battery | Socorro | NM | NPL Site | 50.00 |
| Eagle Zinc Co Div T L Diamond | Hillsboro | IL | NPL Site | 50.00 |
| East 67th Street Ground Water Plume | Odessa | TX | NPL Site | 50.00 |
| East Basin Road Groundwater | New Castle | DE | NPL Site | 50.00 |
| East Bethel Demolition Landfill | East Bethel Township | MN | Deleted NPL Site | 28.75 |
| East Helena Site | East Helena | MT | NPL Site | 61.65 |
| East Mount Zion | Springettsbury Township | PA | NPL Site | 41.01 |
| East Troy Contaminated Aquifer | Troy | OH | NPL Site | 50.00 |
| Eastern Diversified Metals | Hometown | PA | NPL Site | 31.02 |
| Eastern Michaud Flats Contamination | Pocatello | ID | NPL Site | 57.80 |
| Eastern Surplus | Meddybemps | ME | NPL Site | 50.00 |
| Eastland Woolen Mill | Corinna | ME | NPL Site | 70.71 |
| Eau Claire Municipal Well Field | Eau Claire | WI | Deleted NPL Site | 35.57 |
| Edwards Air Force Base | Kern County | CA | NPL Site | 33.62 |
| Eielson Air Force Base | Fairbanks North Star Borough | AK | NPL Site | 48.14 |
| Eighteenmile Creek | Lockport | NY | NPL Site | 50.00 |
| El Toro Marine Corps Air Station | El Toro | CA | NPL Site | 37.43 |
| Eldorado Chemical Co., Inc. | Live Oak | TX | NPL Site | 38.85 |
| Electro-Coatings, Inc. | Cedar Rapids | IA | Deleted NPL Site | 42.24 |
| Electrovoice | Buchanan | MI | NPL Site | 35.36 |
| Elizabeth Mine | Strafford | VT | NPL Site | 50.00 |
| Elizabethtown Landfill | Elizabethtown | PA | NPL Site | 28.98 |
| Ellenville Scrap Iron and Metal | Ellenville | NY | Deleted NPL Site | 50.27 |
| Ellis Property | Evesham Township | NJ | NPL Site | 34.62 |
| Ellisville Site | Ellisville | MO | NPL Site | 0.00 |
| Ellsworth Air Force Base | Rapid City | SD | NPL Site | 33.62 |
| Elm Street Ground Water Contamination | Terre Haute | IN | NPL Site | 50.00 |
| Elmendorf Air Force Base | Greater Anchorage Borough | AK | NPL Site | 45.91 |
| Elmore Waste Disposal | Greer | SC | NPL Site | 31.45 |
| Ely Copper Mine | Vershire | VT | NPL Site | 50.00 |
| Emmell's Septic Landfill | Galloway Township | NJ | NPL Site | 50.00 |
| Endicott Village Well Field | Village Of Endicott | NY | NPL Site | 35.57 |
| Enterprise Avenue | Philadelphia | PA | Deleted NPL Site | 40.80 |
| Envirochem Corp. | Zionsville | IN | NPL Site | 46.44 |
| Escambia Wood - Pensacola | Pensacola | FL | NPL Site | 50.00 |
| Estech General Chemical Company | Calumet City | IL | NPL Site | 30.00 |
| Eureka Mills | Eureka | UT | Deleted NPL Site | 50.00 |
| Evor Phillips Leasing | Old Bridge Township | NJ | NPL Site | 36.64 |
| EVR-Wood Treating/Evangeline Refining Company | Jennings | LA | NPL Site | 48.20 |
| Ewan Property | Shamong Township | NJ | NPL Site | 50.19 |
| Exide Baton Rouge | Baton Rouge | LA | NPL Site | 50.00 |
| Exide Technologies - Vernon | Vernon | CA | Proposed NPL Site | 47.78 |
| F.E. Warren Air Force Base | Cheyenne | WY | NPL Site | 39.23 |
| Facet Enterprises, Inc. | Elmira | NY | NPL Site | 46.67 |
| Fadrowski Drum Disposal | Franklin | WI | Deleted NPL Site | 31.08 |
| Fair Lawn Well Field | Fair Lawn | NJ | NPL Site | 42.49 |
| Fairchild Air Force Base (4 Waste Areas) | Spokane County | WA | NPL Site | 31.98 |
| Fairchild Semiconductor Corp. (Mountain View Plant) | Mountain View | CA | NPL Site | 31.94 |
| Fairchild Semiconductor Corp. (South San Jose Plant) | South San Jose | CA | NPL Site | 44.46 |
| Fairfax St. Wood Treaters | Jacksonville | FL | Deleted NPL Site | 50.00 |
| Fairfield Coal Gasification Plant | Fairfield | IA | NPL Site | 38.05 |
| Falcon Refinery | Ingleside | TX | NPL Site | 50.00 |
| Fansteel Metals/FMRI | Muskogee | OK | NPL Site | 0.00 |
| Farmers' Mutual Cooperative | Hospers | IA | Deleted NPL Site | 33.74 |
| FCX, Inc. (Statesville Plant) | Statesville | NC | NPL Site | 37.93 |
| FCX, Inc. (Washington Plant) | Washington | NC | NPL Site | 40.39 |
| Federal Aviation Administration Technical Center | Atlantic County | NJ | NPL Site | 39.65 |
| Federal Creosote | Manville | NJ | Deleted NPL Site | 50.00 |
| Federated Metals Corp Whiting | Hammond | IN | NPL Site | 51.14 |
| Feed Materials Production Center (USDOE) | Fernald | OH | NPL Site | 57.56 |
| Fibers Public Supply Wells | Jobos | PR | NPL Site | 35.34 |
| Fields Brook | Ashtabula | OH | NPL Site | 44.95 |
| Fike Chemical, Inc. | Nitro | WV | NPL Site | 36.30 |
| Firestone Tire & Rubber Co. (Albany Plant) | Albany | GA | NPL Site | 30.08 |
| Firestone Tire & Rubber Co. (Salinas Plant) | Salinas | CA | Deleted NPL Site | 45.91 |
| First Piedmont Corp. Rock Quarry (Route 719) | Pittsylvania County | VA | Deleted NPL Site | 30.16 |
| Fischer & Porter Co. | Warminster | PA | NPL Site | 29.07 |
| Fisher-Calo | La Porte | IN | NPL Site | 52.05 |
| Five Points PCE Plume | Woods Cross | UT | NPL Site | 50.00 |
| Flash Cleaners | Pompano Beach | FL | NPL Site | 50.00 |
| Flat Creek IMM | Superior | MT | NPL Site | 51.33 |
| Fletcher's Paint Works & Storage | Milford | NH | NPL Site | 35.39 |
| Florence Land Recontouring, Inc., Landfill | Florence Township | NJ | Deleted NPL Site | 47.39 |
| Florida Petroleum Reprocessors | Fort Lauderdale | FL | NPL Site | 50.00 |
| Florida Steel Corp. | Indiantown | FL | NPL Site | 45.92 |
| Flowood Site | Flowood | MS | Deleted NPL Site | 0.00 |
| FMC Corp. (Dublin Road Landfill) | Town Of Shelby | NY | Deleted NPL Site | 32.90 |
| FMC Corp. (Fridley Plant) | Fridley | MN | NPL Site | 65.50 |
| FMC Corp. (Yakima) | Yakima | WA | NPL Site | 38.80 |
| Folkertsma Refuse | Grand Rapids | MI | Deleted NPL Site | 33.12 |
| Follansbee | Follansbee | WV | Deleted NPL Site | 33.77 |
| Foote Mineral Co. | East Whiteland Township | PA | NPL Site | 50.00 |
| Forest Glen Mobile Home Subdivision | Niagara Falls | NY | NPL Site | 0.00 |
| Forest Waste Products | Otisville | MI | NPL Site | 38.64 |
| Former Custom Cleaners | Memphis | TN | NPL Site | 50.00 |
| Former Exide Technologies Laureldale | Laureldale | PA | NPL Site | 70.71 |
| Former Kil-Tone Company | Vineland | NJ | NPL Site | 65.29 |
| Former Nansemond Ordnance Depot | Suffolk | VA | NPL Site | 70.71 |
| Former United Zinc & Associated Smelters | Iola | KS | NPL Site | 50.00 |
| Formosa Mine | Riddle | OR | NPL Site | 50.00 |
| Fort Detrick Area B Ground Water | Fort Detrick | MD | NPL Site | 49.52 |
| Fort Devens | Fort Devens | MA | NPL Site | 42.24 |
| Fort Devens-Sudbury Training Annex | Sudbury | MA | Deleted NPL Site | 35.57 |
| Fort Dix (Landfill Site) | Pemberton Township | NJ | Deleted NPL Site | 37.40 |
| Fort Eustis (US Army) | Newport News | VA | NPL Site | 50.00 |
| Fort George G. Meade | Odenton | MD | NPL Site | 51.44 |
| Fort Hartford Coal Co. Stone Quarry | Olaton | KY | Deleted NPL Site | 43.84 |
| Fort Lewis (Landfill No. 5) | Tacoma | WA | Deleted NPL Site | 33.79 |
| Fort Lewis Logistics Center | Tillicum | WA | NPL Site | 35.48 |
| Fort Ord | Marina | CA | NPL Site | 42.24 |
| Fort Richardson (USARMY) | Anchorage | AK | NPL Site | 50.00 |
| Fort Riley | Junction City | KS | NPL Site | 33.79 |
| Fort Wainwright | Fairbanks North Star Borough | AK | NPL Site | 42.40 |
| Fort Wayne Reduction Dump | Fort Wayne | IN | NPL Site | 42.47 |
| Foster Wheeler Energy Corporation/Church Road TCE | Mountain Top | PA | Proposed NPL Site | 50.00 |
| Fourth Street Abandoned Refinery | Oklahoma City | OK | Deleted NPL Site | 30.67 |
| Fox River NRDA/PCB Releases | Green Bay | WI | Proposed NPL Site | 50.00 |
| Franklin Burn | Franklin Township | NJ | NPL Site | 40.67 |
| Franklin Slag Pile (MDC) | Philadelphia | PA | NPL Site | 50.20 |
| Franklin Street Groundwater Contamination | Spencer | IN | NPL Site | 50.00 |
| Freeway Sanitary Landfill | Burnsville | MN | NPL Site | 45.91 |
| Fremont National Forest/White King and Lucky Lass Uranium Mines (USDA) | Lake County | OR | NPL Site | 50.00 |
| French, Ltd. | Crosby | TX | NPL Site | 63.33 |
| Fresno Municipal Sanitary Landfill | Fresno | CA | NPL Site | 35.57 |
| Fridley Commons Park Well Field | Fridley | MN | Deleted NPL Site | 50.00 |
| Fried Industries | East Brunswick Township | NJ | NPL Site | 33.61 |
| Friedman Property | Upper Freehold Township | NJ | Deleted NPL Site | 33.88 |
| Frit Industries | Walnut Ridge | AR | Deleted NPL Site | 39.47 |
| Frontera Creek | Rio Abajo | PR | Deleted NPL Site | 43.07 |
| Frontier Fertilizer | Davis | CA | NPL Site | 35.04 |
| Frontier Hard Chrome, Inc. | Vancouver | WA | Deleted NPL Site | 57.93 |
| Fruit Avenue Plume | Albuquerque | NM | NPL Site | 50.00 |
| Fulbright Landfill | Springfield | MO | NPL Site | 40.60 |
| Fulton Avenue | North Hempstead | NY | NPL Site | 33.08 |
| Fulton Terminals | Fulton | NY | Deleted NPL Site | 36.50 |
| Fultz Landfill | Jackson Township | OH | NPL Site | 39.42 |
| G&H Landfill | Utica | MI | NPL Site | 49.09 |
| Galen Myers Dump/Drum Salvage | Osceola | IN | NPL Site | 42.24 |
| Galesburg/Koppers Co. | Galesburg | IL | NPL Site | 34.78 |
| Galey and Lord Plant | Society Hill | SC | NPL Site | 50.00 |
| Gallaway Pits | Gallaway | TN | Deleted NPL Site | 30.77 |
| Gallup's Quarry | Plainfield | CT | NPL Site | 46.29 |
| Garden City Ground Water Plume | Garden City | IN | NPL Site | 50.00 |
| Garden State Cleaners Co. | Minotola | NJ | NPL Site | 28.90 |
| Garfield Ground Water Contamination | Garfield | NJ | NPL Site | 0.00 |
| Garland Creosoting | Longview | TX | NPL Site | 49.10 |
| Garvey Elevator | Hastings | NE | NPL Site | 50.00 |
| Gary Development Landfill | Gary | IN | NPL Site | 30.00 |
| GCL Tie and Treating Inc. | Village Of Sidney | NY | NPL Site | 48.54 |
| GE - Housatonic River | Pittsfield | MA | Proposed NPL Site | 70.71 |
| GE Moreau | South Glens Falls | NY | NPL Site | 58.21 |
| GE Wiring Devices | Juana Diaz | PR | Deleted NPL Site | 31.24 |
| Geiger (C & M Oil) | Rantoules | SC | Deleted NPL Site | 32.25 |
| Geigy Chemical Corp. (Aberdeen Plant) | Aberdeen | NC | NPL Site | 33.02 |
| Gelman Sciences Inc | Ann Arbor | MI | Proposed NPL Site | 50.00 |
| GEMS Landfill | Gloucester Township | NJ | NPL Site | 68.53 |
| General Dynamics Longwood | Longwood | FL | NPL Site | 50.00 |
| General Electric Co. (Spokane Shop) | Spokane | WA | NPL Site | 57.80 |
| General Electric Co/Shepherd Farm | East Flat Rock | NC | NPL Site | 70.71 |
| General Mills/Henkel Corp. | Minneapolis | MN | NPL Site | 36.28 |
| General Motors (Central Foundry Division) | Massena | NY | NPL Site | 40.71 |
| General Tire & Rubber Co. (Mayfield Landfill) | Mayfield | KY | Deleted NPL Site | 32.94 |
| Geneva Industries/Fuhrmann Energy | Houston | TX | NPL Site | 59.46 |
| Genzale Plating Co. | Franklin Square | NY | NPL Site | 33.79 |
| George Air Force Base | Victorville | CA | NPL Site | 33.62 |
| Georgetown North Groundwater | Georgetown | DE | NPL Site | 50.00 |
| Gilt Edge Mine | Lead | SD | NPL Site | 50.00 |
| Glen Ridge Radium Site | Glen Ridge | NJ | Deleted NPL Site | 49.14 |
| Global Sanitary Landfill | Old Bridge Township | NJ | NPL Site | 45.92 |
| GMH Electronics | Roxboro | NC | NPL Site | 50.00 |
| Gold Coast Oil Corp. | Miami | FL | Deleted NPL Site | 57.80 |
| Golden Strip Septic Tank Service | Simpsonville | SC | Deleted NPL Site | 40.30 |
| Goldisc Recordings, Inc. | Holbrook | NY | NPL Site | 33.39 |
| Goose Farm | Plumstead Township | NJ | NPL Site | 47.71 |
| Gould, Inc. | Portland | OR | Deleted NPL Site | 32.12 |
| Gowanus Canal | Brooklyn | NY | NPL Site | 50.00 |
| Grain Handling Facility at Freeman | Freeman | WA | NPL Site | 50.00 |
| Grand Street Mercury | Hoboken | NJ | Deleted NPL Site | 0.00 |
| Grand Traverse Overall Supply Co. | Greilickville | MI | NPL Site | 35.53 |
| Grants Chlorinated Solvents Plume | Grants | NM | NPL Site | 50.00 |
| Gratiot County Golf Course | St. Louis | MI | NPL Site | 29.54 |
| Gratiot County Golf Course | St. Louis | MI | Deleted NPL Site | 40.22 |
| Gratiot County Landfill | St. Louis | MI | NPL Site | 0.00 |
| Green River Disposal, Inc. | Maceo | KY | NPL Site | 29.12 |
| Greenacres Landfill | Spokane County | WA | NPL Site | 28.90 |
| Greenwood Chemical Co. | Newtown | VA | NPL Site | 53.17 |
| Griffiss Air Force Base | Rome | NY | NPL Site | 34.20 |
| Griggs & Walnut Ground Water Plume | Las Cruces | NM | NPL Site | 50.00 |
| Groveland Wells | Groveland | MA | NPL Site | 40.74 |
| Gulf Coast Vacuum Services | Abbeville | LA | Deleted NPL Site | 42.78 |
| Gulf State Utilities-North Ryan Street | Lake Charles | LA | Proposed NPL Site | 50.43 |
| Gulfco Marine Maintenance | Freeport | TX | NPL Site | 50.00 |
| Gurley Pit | Edmondson | AR | Deleted NPL Site | 40.13 |
| H & H Inc., Burn Pit | Farrington | VA | NPL Site | 33.71 |
| H & K Sales | Belding | MI | Deleted NPL Site | 0.00 |
| H. Brown Co., Inc. | Grand Rapids | MI | NPL Site | 39.88 |
| H.O.D. Landfill | Antioch | IL | NPL Site | 34.68 |
| Hagen Farm | Stoughton | WI | NPL Site | 32.06 |
| Halaco Engineering Company | Oxnard | CA | NPL Site | 58.31 |
| Halby Chemical Co. | New Castle | DE | NPL Site | 30.90 |
| Hamilton Island Landfill (USA/COE) | North Bonneville | WA | Deleted NPL Site | 51.97 |
| Hamilton/Labree Roads Ground Water Contamination | Chehalis | WA | NPL Site | 37.65 |
| Hanford 100-Area (USDOE) | Benton County | WA | NPL Site | 46.38 |
| Hanford 1100-Area (USDOE) | Benton County | WA | Deleted NPL Site | 36.34 |
| Hanford 200-Area (USDOE) | Benton County | WA | NPL Site | 69.05 |
| Hanford 300-Area (USDOE) | Benton County | WA | NPL Site | 65.23 |
| Hanlin-Allied-Olin | Moundsville | WV | NPL Site | 53.98 |
| Hanscom Field/Hanscom Air Force Base | Bedford | MA | NPL Site | 50.00 |
| Harbor Island (Lead) | Seattle | WA | NPL Site | 34.60 |
| Harbor Oil | Portland | OR | Deleted NPL Site | 48.00 |
| Hardage/Criner | Criner | OK | NPL Site | 51.01 |
| Harris (Farley Street) | Houston | TX | Deleted NPL Site | 33.94 |
| Harris Corp. (Palm Bay Plant) | Palm Bay | FL | NPL Site | 35.57 |
| Hart Creosoting Company | Jasper | TX | NPL Site | 48.00 |
| Harvey & Knott Drum, Inc. | Kirkwood | DE | NPL Site | 30.77 |
| Hassayampa Landfill | Hassayampa | AZ | NPL Site | 42.79 |
| Hastings Ground Water Contamination | Hastings | NE | NPL Site | 42.24 |
| Hatheway and Patterson Company | Mansfield | MA | Deleted NPL Site | 56.60 |
| Haverhill Municipal Landfill | Haverhill | MA | NPL Site | 30.29 |
| Havertown PCP | Haverford | PA | NPL Site | 38.34 |
| Haviland Complex | Town Of Hyde Park | NY | Deleted NPL Site | 33.62 |
| Hebelka Auto Salvage Yard | Weisenberg Township | PA | Deleted NPL Site | 31.94 |
| Hechimovich Sanitary Landfill | Williamstown | WI | NPL Site | 47.91 |
| Hedblum Industries | Oscoda | MI | NPL Site | 37.29 |
| Hegeler Zinc | Danville | IL | NPL Site | 50.00 |
| Helen Kramer Landfill | Mantua Township | NJ | NPL Site | 72.66 |
| Helena Chemical Co. (Tampa Plant) | Tampa | FL | NPL Site | 30.19 |
| Helena Chemical Co. Landfill | Fairfax | SC | NPL Site | 33.89 |
| Heleva Landfill | North Whitehall Township | PA | NPL Site | 50.23 |
| Hellertown Manufacturing Co. | Hellertown | PA | NPL Site | 51.91 |
| Hemphill Road TCE | Gastonia | NC | NPL Site | 50.00 |
| Henderson Road | Upper Merion Township | PA | NPL Site | 41.69 |
| Henryetta Iron and Metal | Henryetta | OK | NPL Site | 49.33 |
| Hercules 009 Landfill | Brunswick | GA | NPL Site | 52.58 |
| Hercules Inc | Hattiesburg | MS | NPL Site | 31.36 |
| Hercules, Inc. (Gibbstown Plant) | Gibbstown | NJ | NPL Site | 40.36 |
| Hertel Landfill | Plattekill | NY | NPL Site | 33.62 |
| Hewlett-Packard (620-640 Page Mill Road) | Palo Alto | CA | NPL Site | 29.76 |
| Hi-Mill Manufacturing Co. | Highland | MI | NPL Site | 49.54 |
| Hidden Lane Landfill | Sterling | VA | NPL Site | 50.00 |
| Hidden Valley Landfill (Thun Field) | Pierce County | WA | NPL Site | 37.93 |
| Higgins Disposal | Franklin Township | NJ | NPL Site | 30.87 |
| Higgins Farm | Franklin Township | NJ | NPL Site | 30.47 |
| Highlands Acid Pit | Highlands | TX | NPL Site | 37.77 |
| Highway 100 and County Road 3 Groundwater Plume | Edina, St. Louis Park | MN | NPL Site | 50.00 |
| Highway 18 Ground Water | Kermit | TX | NPL Site | 50.00 |
| Highway 3 PCE | Le Mars | IA | NPL Site | 34.79 |
| Hill Air Force Base | Ogden | UT | NPL Site | 49.94 |
| Himco Dump | Elkhart | IN | NPL Site | 42.31 |
| Hipps Road Landfill | Duval County | FL | Deleted NPL Site | 31.94 |
| Historic Potteries | Trenton | NJ | NPL Site | 49.13 |
| Hiteman Leather | West Winfield | NY | Deleted NPL Site | 50.00 |
| Hockessin Groundwater | Hockessin | DE | NPL Site | 50.00 |
| Hocomonco Pond | Westborough | MA | NPL Site | 44.80 |
| Holcomb Creosote Co | Yadkinville | NC | NPL Site | 48.00 |
| Hollingsworth Solderless Terminal | Fort Lauderdale | FL | NPL Site | 44.53 |
| Homestake Mining Co. | Milan | NM | NPL Site | 34.21 |
| Homestead Air Force Base | Homestead | FL | NPL Site | 42.40 |
| Hooker (102nd Street) | Niagara Falls | NY | Deleted NPL Site | 30.48 |
| Hooker (Hyde Park) | Niagara Falls | NY | Deleted NPL Site | 34.77 |
| Hooker (S Area) | Niagara Falls | NY | NPL Site | 51.62 |
| Hooker Chemical & Plastics Corp./Ruco Polymer Corp. | Hicksville | NY | NPL Site | 41.60 |
| Hopewell Precision Area Contamination | Hopewell Junction | NY | NPL Site | 50.00 |
| Hopkins Farm | Plumstead Township | NJ | Deleted NPL Site | 34.09 |
| Hormigas Ground Water Plume | Caguas | PR | Deleted NPL Site | 50.00 |
| Horseshoe Road | Sayreville | NJ | NPL Site | 51.37 |
| Horton Iron and Metal | Wilmington | NC | NPL Site | 48.03 |
| Howe Valley Landfill | Howe Valley | KY | Deleted NPL Site | 36.73 |
| Hranica Landfill | Buffalo Township | PA | Deleted NPL Site | 51.94 |
| Hudson Refinery | Cushing | OK | NPL Site | 29.34 |
| Hudson River PCBs | Hudson River | NY | NPL Site | 54.66 |
| Hunters Point Naval Shipyard | San Francisco | CA | NPL Site | 48.77 |
| Hunterstown Road | Straban Township | PA | NPL Site | 48.27 |
| Hunts Disposal Landfill | Caledonia | WI | NPL Site | 31.02 |
| Hydro-Flex Inc. | Topeka | KS | Deleted NPL Site | 42.79 |
| Iceland Coin Laundry Area Ground Water Plume | Vineland | NJ | NPL Site | 30.30 |
| ICG Iselin Railroad Yard | Jackson | TN | Deleted NPL Site | 50.00 |
| Idaho National Engineering Laboratory (USDOE) | Idaho Falls | ID | NPL Site | 51.91 |
| Idaho Pole Co. | Bozeman | MT | NPL Site | 38.29 |
| Ilada Energy Co. | East Cape Girardeau | IL | Deleted NPL Site | 34.21 |
| Imperial Oil Co., Inc./Champion Chemicals | Morganville | NJ | NPL Site | 33.87 |
| Imperial Refining Company | Ardmore | OK | Deleted NPL Site | 30.00 |
| Independent Nail Co. | Beaufort | SC | Deleted NPL Site | 57.90 |
| Indian Bend Wash Area | Scottsdale | AZ | NPL Site | 42.24 |
| Indian Head Naval Surface Warfare Center | Indian Head | MD | NPL Site | 50.00 |
| Indian Refinery-Texaco Lawrenceville | Lawrenceville | IL | NPL Site | 56.67 |
| Industri-Plex | Woburn | MA | NPL Site | 72.42 |
| Industrial Excess Landfill | Uniontown | OH | NPL Site | 51.13 |
| Industrial Lane | Williams Township | PA | NPL Site | 42.47 |
| Industrial Latex Corp. | Wallington Borough | NJ | Deleted NPL Site | 32.38 |
| Industrial Waste Control | Ft. Smith | AR | Deleted NPL Site | 30.31 |
| Industrial Waste Processing | Fresno | CA | NPL Site | 51.13 |
| Intel Corp. (Mountain View Plant) | Mountain View | CA | NPL Site | 29.76 |
| Intel Corp. (Santa Clara III) | Santa Clara | CA | Deleted NPL Site | 31.94 |
| Intel Magnetics | Santa Clara | CA | NPL Site | 31.94 |
| Intermountain Waste Oil Refinery | Bountiful | UT | Deleted NPL Site | 50.00 |
| International Minerals & Chemicals Corp. (Terre Haute East Plant) | Terre Haute | IN | Deleted NPL Site | 57.80 |
| International Smelting and Refining | Tooele | UT | Deleted NPL Site | 58.31 |
| Intersil Inc./Siemens Components | Cupertino | CA | NPL Site | 28.90 |
| Interstate Lead Co. (ILCO) | Leeds | AL | NPL Site | 42.86 |
| Interstate Pollution Control, Inc. | Rockford | IL | NPL Site | 46.01 |
| Ionia City Landfill | Ionia | MI | NPL Site | 31.31 |
| Iowa Army Ammunition Plant | Middletown | IA | NPL Site | 29.73 |
| Iowa-Nebraska Light & Power Co | Norfolk | NE | NPL Site | 40.80 |
| Iron Horse Park | Billerica | MA | NPL Site | 42.93 |
| Iron King Mine - Humboldt Smelter | Dewey-humboldt | AZ | NPL Site | 52.69 |
| Iron Mountain Mine | Redding | CA | NPL Site | 56.16 |
| Islip Municipal Sanitary Landfill | Islip | NY | NPL Site | 33.39 |
| J & L Landfill | Rochester Hills | MI | NPL Site | 31.65 |
| J. H. Baxter | Eugene | OR | NPL Site | 31.70 |
| J.H. Baxter & Co. | Weed | CA | NPL Site | 34.78 |
| Jackpile-Paguate Uranium Mine | Laguna Pueblo | NM | NPL Site | 50.00 |
| Jacks Creek/Sitkin Smelting & Refining, Inc. | Maitland | PA | NPL Site | 40.37 |
| Jackson Ceramix | Falls Creek | PA | NPL Site | 30.22 |
| Jackson Park Housing Complex (USNAVY) | Kitsap County | WA | NPL Site | 50.00 |
| Jackson Steel | Mineola, North Hempstead | NY | Deleted NPL Site | 50.00 |
| Jackson Township Landfill | Jackson Township | NJ | Deleted NPL Site | 38.11 |
| Jacksonville Municipal Landfill | Jacksonville | AR | Deleted NPL Site | 29.64 |
| Jacksonville Naval Air Station | Jacksonville | FL | NPL Site | 32.08 |
| Jacobs Smelter | Stockton | UT | NPL Site | 50.00 |
| Jacobsville Neighborhood Soil Contamination | Evansville | IN | NPL Site | 35.52 |
| Jadco-Hughes Facility | Belmont | NC | NPL Site | 42.00 |
| Janesville Ash Beds | Janesville | WI | NPL Site | 57.90 |
| Janesville Old Landfill | Janesville | WI | NPL Site | 57.93 |
| Jard Company, Inc. | Bennington | VT | NPL Site | 58.31 |
| JASCO Chemical Corp. | Mountain View | CA | Deleted NPL Site | 35.36 |
| Jasper Creosoting Company Inc. | Jasper | TX | NPL Site | 50.00 |
| Jennison-Wright Corporation | Granite City | IL | NPL Site | 40.30 |
| Jervis B. Webb Co. | South Gate | CA | NPL Site | 45.76 |
| Jet Propulsion Laboratory (NASA) | Pasadena | CA | NPL Site | 50.00 |
| JFD Electronics/Channel Master | Oxford | NC | NPL Site | 39.03 |
| Jibboom Junkyard | Sacramento | CA | Deleted NPL Site | 28.94 |
| JIS Landfill | Jamesburg, South Brunswick Township | NJ | NPL Site | 45.14 |
| JJ Seifert Machine | Ruskin | FL | NPL Site | 50.00 |
| John Deere (Ottumwa Works Landfills) | Ottumwa | IA | Deleted NPL Site | 42.32 |
| Johns' Sludge Pond | Wichita | KS | Deleted NPL Site | 35.94 |
| Johns-Manville Corp. | Waukegan | IL | NPL Site | 38.20 |
| Johnstown City Landfill | Town Of Johnstown | NY | NPL Site | 48.36 |
| Joliet Army Ammunition Plant (Load-Assembly-Packing Area) | Joliet | IL | NPL Site | 35.23 |
| Joliet Army Ammunition Plant (Manufacturing Area) | Joliet | IL | NPL Site | 32.08 |
| Jones Chemicals, Inc. | Caledonia | NY | NPL Site | 33.62 |
| Jones Road Ground Water Plume | Houston | TX | NPL Site | 46.50 |
| Jones Sanitation | Hyde Park | NY | Deleted NPL Site | 52.52 |
| Joseph Forest Products | Joseph | OR | Deleted NPL Site | 32.60 |
| Joslyn Manufacturing & Supply Co. | Brooklyn Center | MN | NPL Site | 44.30 |
| Juncos Landfill | Juncos | PR | NPL Site | 32.57 |
| K&L Avenue Landfill | Oshtemo Township | MI | NPL Site | 38.10 |
| Kaiser Aluminum (Mead Works) | Mead | WA | NPL Site | 38.07 |
| Kalama Specialty Chemicals | Beaufort | SC | NPL Site | 57.90 |
| Kane & Lombard Street Drums | Baltimore | MD | NPL Site | 30.15 |
| Kassauf-Kimerling Battery Disposal | Tampa | FL | Deleted NPL Site | 53.42 |
| Katonah Municipal Well | Town Of Bedford | NY | Deleted NPL Site | 35.35 |
| Kauffman & Minteer, Inc. | Jobstown | NJ | NPL Site | 28.51 |
| Kaydon Corp. | Muskegon | MI | NPL Site | 34.21 |
| Kearsarge Metallurgical Corp. | Conway | NH | NPL Site | 38.45 |
| Keddy Mill | Windham | ME | NPL Site | 50.00 |
| Keefe Environmental Services | Epping | NH | NPL Site | 65.19 |
| Kellogg-Deering Well Field | Norwalk | CT | NPL Site | 39.92 |
| Kem-Pest Laboratories | Cape Girardeau | MO | Deleted NPL Site | 33.89 |
| Kenmark Textile Corp. | Farmingdale | NY | Deleted NPL Site | 31.72 |
| Kennecott (North Zone) | Magna | UT | Proposed NPL Site | 59.18 |
| Kent City Mobile Home Park | Kent City | MI | Deleted NPL Site | 33.62 |
| Kentucky Avenue Well Field | Horseheads | NY | NPL Site | 39.65 |
| Kentwood Landfill | Kentwood | MI | NPL Site | 35.39 |
| Kerr-McGee (Kress Creek/West Branch of DuPage River) | Dupage County | IL | NPL Site | 39.05 |
| Kerr-McGee (Reed-Keppler Park) | West Chicago | IL | Deleted NPL Site | 39.51 |
| Kerr-McGee (Residential Areas) | Dupage County, West Chicago | IL | NPL Site | 38.15 |
| Kerr-McGee (Sewage Treatment Plant) | West Chicago | IL | Deleted NPL Site | 35.20 |
| Kerr-McGee Chemical Corp - Columbus | Columbus | MS | NPL Site | 52.47 |
| Kerr-McGee Chemical Corp - Jacksonville | Jacksonville | FL | NPL Site | 70.71 |
| Kerr-McGee Chemical Corp - Navassa | Navassa | NC | NPL Site | 50.00 |
| Kerr-McGee Chemical Corp. (Soda Springs Plant) | Soda Springs | ID | NPL Site | 51.91 |
| Keystone Corridor Ground Water Contamination | Indianapolis | IN | NPL Site | 50.00 |
| Keystone Sanitation Landfill | Union Township | PA | NPL Site | 33.76 |
| Kim-Stan Landfill | Selma | VA | NPL Site | 50.00 |
| Kimberton | Kimberton Borough | PA | NPL Site | 29.44 |
| Kin-Buc Landfill | Edison Township | NJ | NPL Site | 50.64 |
| King of Prussia | Winslow Township | NJ | NPL Site | 47.19 |
| Klau/Buena Vista Mine | Paso Robles | CA | NPL Site | 50.00 |
| Koch Refining Co./N-Ren Corp. | Pine Bend | MN | Deleted NPL Site | 31.14 |
| Kohler Co. Landfill | Kohler | WI | NPL Site | 42.93 |
| Kokomo Contaminated Ground Water Plume | Kokomo | IN | NPL Site | 50.00 |
| Koppers Co., Inc. (Charleston Plant) | Charleston | SC | NPL Site | 50.00 |
| Koppers Co., Inc. (Florence Plant) | Florence | SC | Deleted NPL Site | 51.27 |
| Koppers Co., Inc. (Morrisville Plant) | Morrisville | NC | NPL Site | 41.89 |
| Koppers Co., Inc. (Newport Plant) | Newport | DE | NPL Site | 33.56 |
| Koppers Co., Inc. (Oroville Plant) | Oroville | CA | NPL Site | 33.73 |
| Koppers Co., Inc. (Texarkana Plant) | Texarkana | TX | NPL Site | 31.31 |
| Koppers Coke | St. Paul | MN | NPL Site | 55.05 |
| Krysowaty Farm | Hillsborough | NJ | Deleted NPL Site | 55.14 |
| Kummer Sanitary Landfill | Bemidji | MN | Deleted NPL Site | 35.57 |
| Kurt Manufacturing Co. | Fridley | MN | NPL Site | 31.41 |
| Kysor Industrial Corp. | Cadillac | MI | NPL Site | 33.94 |
| L.A. Clarke & Son | Spotsylvania County | VA | NPL Site | 34.24 |
| Laboratory for Energy-Related Health Research/Old Campus Landfill (USDOE) | Davis | CA | NPL Site | 50.00 |
| LaBounty Site | Charles City | IA | Deleted NPL Site | 70.73 |
| Lackawanna Refuse | Old Forge Borough | PA | Deleted NPL Site | 36.57 |
| LaGrand Sanitary Landfill | Lagrand Township | MN | Deleted NPL Site | 37.51 |
| Lake Calumet Cluster | Chicago | IL | NPL Site | 30.00 |
| Lake City Army Ammunition Plant (Northwest Lagoon) | Independence | MO | NPL Site | 33.62 |
| Lake Sandy Jo (M&M Landfill) | Gary | IN | NPL Site | 38.21 |
| Lakeland Disposal Service, Inc. | Claypool | IN | NPL Site | 34.10 |
| Lakewood | Lakewood | WA | NPL Site | 42.49 |
| Lammers Barrel | Beavercreek | OH | NPL Site | 69.33 |
| Landfill & Development Co. | Mount Holly | NJ | NPL Site | 33.62 |
| Landfill & Resource Recovery, Inc. (L&RR) | North Smithfield | RI | NPL Site | 49.58 |
| Landia Chemical Company | Lakeland | FL | NPL Site | 50.00 |
| Lane Plating Works, Inc. | Dallas | TX | NPL Site | 50.00 |
| Lane Street Ground Water Contamination | Elkhart | IN | NPL Site | 40.53 |
| Lang Property | Pemberton Township | NJ | NPL Site | 48.89 |
| Langley Air Force Base/NASA Langley Research Center | Hampton | VA | NPL Site | 50.00 |
| Lansdowne Radiation Site | Lansdowne | PA | Deleted NPL Site | 0.00 |
| LaSalle Electric Utilities | La Salle | IL | NPL Site | 42.06 |
| Laskin/Poplar Oil Co. | Jefferson Township | OH | Deleted NPL Site | 35.95 |
| Lauer I Sanitary Landfill | Menomonee Falls | WI | NPL Site | 42.69 |
| Laurel Park, Inc. | Naugatuck Borough | CT | NPL Site | 0.00 |
| Lava Cap Mine | Nevada City | CA | NPL Site | 33.66 |
| Lawrence Aviation Industries, Inc. | Port Jefferson Station | NY | NPL Site | 50.00 |
| Lawrence Livermore Laboratory (USDOE) | Livermore | CA | NPL Site | 42.24 |
| Lawrence Livermore National Laboratory (Site 300) (USDOE) | Livermore | CA | NPL Site | 31.58 |
| Lawrence Todtz Farm | Camanche | IA | NPL Site | 52.11 |
| LCP Chemicals Georgia | Brunswick | GA | NPL Site | 0.00 |
| LCP Chemicals Inc. | Linden | NJ | NPL Site | 50.00 |
| Lea and West Second Street | Roswell | NM | NPL Site | 50.00 |
| Lee Acres Landfill (USDOI) | Farmington | NM | NPL Site | 39.37 |
| Lee Chemical | Liberty | MO | NPL Site | 46.81 |
| Lee's Lane Landfill | Louisville | KY | Deleted NPL Site | 39.52 |
| Leeds Metal | Leeds | ME | NPL Site | 32.25 |
| Leetown Pesticide | Leetown | WV | Deleted NPL Site | 36.72 |
| Lehigh Electric & Engineering Co. | Old Forge Borough | PA | Deleted NPL Site | 30.26 |
| Lehigh Valley Railroad | Le Roy | NY | NPL Site | 50.00 |
| Lehillier/Mankato Site | Lehillier | MN | NPL Site | 42.49 |
| Lemberger Landfill, Inc. | Whitelaw | WI | NPL Site | 34.07 |
| Lemberger Transport & Recycling | Franklin Township | WI | NPL Site | 34.58 |
| Lemon Lane Landfill | Bloomington | IN | Deleted NPL Site | 29.31 |
| Lenz Oil Service, Inc. | Lemont | IL | NPL Site | 42.33 |
| Leonard Chemical Co., Inc. | Rock Hill | SC | NPL Site | 47.10 |
| Letterkenny Army Depot (PDO Area) | Franklin County | PA | NPL Site | 37.51 |
| Letterkenny Army Depot (SE Area) | Chambersburg | PA | NPL Site | 34.21 |
| Leviathan Mine | Markleeville | CA | NPL Site | 50.00 |
| Lewisburg Dump | Lewisburg | TN | Deleted NPL Site | 33.45 |
| Lexington County Landfill Area | Cayce | SC | NPL Site | 37.93 |
| Li Tungsten Corp. | Glen Cove | NY | NPL Site | 50.00 |
| Libby Asbestos | Libby | MT | NPL Site | 0.00 |
| Libby Ground Water Contamination | Libby | MT | NPL Site | 37.67 |
| Liberty Industrial Finishing | Farmingdale | NY | NPL Site | 50.65 |
| Lightman Drum Company | Winslow Township | NJ | NPL Site | 42.03 |
| Limestone Road | Cumberland | MD | NPL Site | 30.54 |
| Lincoln Park | Canon City | CO | NPL Site | 31.31 |
| Lindane Dump | Harrison Township | PA | NPL Site | 51.62 |
| Lindsay Manufacturing Co. | Lindsay | NE | NPL Site | 47.91 |
| Linemaster Switch Corp. | Woodstock | CT | NPL Site | 33.71 |
| Lipari Landfill | Pitman | NJ | Deleted NPL Site | 75.60 |
| Liquid Disposal, Inc. | Utica | MI | NPL Site | 63.28 |
| Liquid Gold Oil Corp. | Richmond | CA | Deleted NPL Site | 43.32 |
| Little Scioto River | Marion Township | OH | NPL Site | 48.03 |
| Little Valley | Little Valley | NY | NPL Site | 0.00 |
| Lockheed West Seattle | Seattle | WA | NPL Site | 50.00 |
| Lockwood Solvent Ground Water Plume | Billings | MT | NPL Site | 45.69 |
| Lodi Municipal Well | Lodi | NJ | Deleted NPL Site | 33.39 |
| Lone Pine Landfill | Freehold Township | NJ | NPL Site | 66.33 |
| Lone Star Army Ammunition Plant | Texarkana | TX | NPL Site | 31.85 |
| Long Prairie Ground Water Contamination | Long Prairie | MN | NPL Site | 31.94 |
| Longhorn Army Ammunition Plant | Karnack | TX | NPL Site | 39.83 |
| Lord-Shope Landfill | Girard Township | PA | NPL Site | 38.89 |
| Lorentz Barrel & Drum Co. | San Jose | CA | NPL Site | 33.94 |
| Loring Air Force Base | Limestone | ME | NPL Site | 34.49 |
| Lot 46 Valley Gardens TCE | Des Moines | IA | NPL Site | 50.00 |
| Louisiana Army Ammunition Plant | Doyline | LA | NPL Site | 30.26 |
| Louisiana-Pacific Corp. | Oroville | CA | Deleted NPL Site | 33.73 |
| Love Canal | Niagara Falls | NY | Deleted NPL Site | 52.23 |
| Lower Darby Creek Area | Darby Township | PA | NPL Site | 50.00 |
| Lower Duwamish Waterway | Seattle | WA | NPL Site | 50.00 |
| Lower Ecorse Creek Dump | Wyandotte | MI | Deleted NPL Site | 0.00 |
| Lower Hackensack River | Bergen, Hudson | NJ | NPL Site | 50.00 |
| Lower Neponset River | Boston, Milton | MA | NPL Site | 50.00 |
| Lowry Landfill | Arapahoe County | CO | NPL Site | 48.36 |
| Ludlow Sand & Gravel | Clayville | NY | Deleted NPL Site | 36.88 |
| Lukachukai Mountains Mining District | Cove, Navajo Nation | AZ | NPL Site | 50.00 |
| Luke Air Force Base | Glendale | AZ | Deleted NPL Site | 37.93 |
| Luminous Processes, Inc. | Athens | GA | Deleted NPL Site | 0.00 |
| Lusher Street Ground Water Contamination | Elkhart | IN | NPL Site | 50.00 |
| M&T Delisa Landfill | Asbury Park | NJ | Deleted NPL Site | 32.27 |
| Macalloy Corporation | North Charleston | SC | NPL Site | 50.00 |
| MacGillis & Gibbs/Bell Lumber & Pole Co. | New Brighton | MN | NPL Site | 48.33 |
| MacKenzie Chemical Works, Inc. | Central Islip | NY | NPL Site | 50.00 |
| MacMillan Ring Free Oil | Norphlet | AR | NPL Site | 50.00 |
| Macon Naval Ordnance Plant | Macon | GA | NPL Site | 48.97 |
| Madison County Mines | Fredericktown | MO | NPL Site | 58.41 |
| Madison County Sanitary Landfill | Madison | FL | NPL Site | 37.93 |
| Madison Metropolitan Sewerage District Lagoons | Blooming Grove | WI | NPL Site | 32.65 |
| Madisonville Creosote Works | Madisonville | LA | NPL Site | 48.01 |
| Magna Metals | Cortlandt Manor | NY | NPL Site | 50.00 |
| Main Street Ground Water Plume | Burnet | TX | NPL Site | 50.00 |
| Main Street Well Field | Elkhart | IN | NPL Site | 42.49 |
| Makah Reservation Warmhouse Beach Dump | Neah Bay | WA | NPL Site | 50.00 |
| Mallard Bay Landing Bulk Plant | Grand Cheniere | LA | Deleted NPL Site | 48.55 |
| Mallory Capacitor Co. | Waynesboro | TN | NPL Site | 29.44 |
| Malone Service Company, Inc. | Texas City | TX | NPL Site | 50.00 |
| Malta Rocket Fuel Area | Malta | NY | NPL Site | 33.62 |
| Malvern TCE | Malvern | PA | NPL Site | 46.69 |
| Mannheim Avenue Dump | Galloway Township | NJ | Deleted NPL Site | 36.56 |
| Mansfield Trail Dump | Byram | NJ | NPL Site | 50.00 |
| Many Diversified Interests, Inc. | Houston | TX | NPL Site | 32.07 |
| Marathon Battery Corp. | Cold Springs | NY | Deleted NPL Site | 30.27 |
| March Air Force Base | Riverside | CA | NPL Site | 31.94 |
| Marine Corps Combat Development Command | Quantico | VA | NPL Site | 50.00 |
| Marine Corps Logistics Base | Albany | GA | NPL Site | 44.65 |
| Marion (Bragg) Dump | Marion | IN | NPL Site | 35.25 |
| Marion Pressure Treating | Marion | LA | NPL Site | 50.00 |
| Marshall Landfill | Boulder County | CO | NPL Site | 0.00 |
| Martin Aaron, Inc. | Camden | NJ | NPL Site | 50.00 |
| Martin-Marietta Aluminum Co. | The Dalles | OR | Deleted NPL Site | 43.70 |
| Martin-Marietta, Sodyeco, Inc. | Charlotte | NC | Deleted NPL Site | 51.93 |
| Marzone Inc./Chevron Chemical Co. | Tifton | GA | NPL Site | 30.26 |
| Mason City Coal Gasification Plant | Mason City | IA | NPL Site | 69.33 |
| Mason County Landfill | Pere Marquette Township | MI | Deleted NPL Site | 34.18 |
| Master Disposal Service Landfill | Brookfield | WI | NPL Site | 47.49 |
| Materials Technology Laboratory (USARMY) | Watertown | MA | Deleted NPL Site | 48.57 |
| Mather Air Force Base | Sacramento | CA | NPL Site | 28.90 |
| Mathis Brothers Landfill (South Marble Top Road) | Kensington | GA | NPL Site | 30.78 |
| Matlack, Inc. | Woolwich Township | NJ | NPL Site | 45.54 |
| Matteo & Sons, Inc. | Thorofare | NJ | NPL Site | 50.00 |
| Matthews Electroplating | Roanoke County | VA | Deleted NPL Site | 0.00 |
| Matthiessen and Hegeler Zinc Company | La Salle | IL | NPL Site | 50.00 |
| Mattiace Petrochemical Co., Inc. | Glen Cove | NY | NPL Site | 31.90 |
| Maunabo Area Ground Water Contamination | Maunabo | PR | NPL Site | 50.00 |
| Maxey Flats Nuclear Disposal | Hillsboro | KY | NPL Site | 31.71 |
| Maywood Chemical Co. | Maywood, Rochelle Park | NJ | NPL Site | 51.19 |
| McAdoo Associates | Mcadoo Borough | PA | Deleted NPL Site | 0.00 |
| McChord Air Force Base (Wash Rack/Treatment Area) | Tacoma | WA | Deleted NPL Site | 42.24 |
| McClellan Air Force Base (Ground Water Contamination) | Sacramento | CA | NPL Site | 57.93 |
| McColl | Fullerton | CA | NPL Site | 41.77 |
| McCormick & Baxter Creosoting Co. | Stockton | CA | NPL Site | 74.86 |
| McCormick & Baxter Creosoting Co. (Portland Plant) | Portland | OR | NPL Site | 50.00 |
| McGaffey and Main Groundwater Plume | Roswell | NM | NPL Site | 50.00 |
| McGraw Edison Corp. | Albion | MI | NPL Site | 33.42 |
| McGuire Air Force Base #1 | Wrightstown | NJ | NPL Site | 47.20 |
| McKin Co. | Gray | ME | Deleted NPL Site | 60.97 |
| McLouth Steel Corp | Trenton | MI | NPL Site | 50.00 |
| Medley Farm Drum Dump | Gaffney | SC | NPL Site | 31.58 |
| Meeker Avenue Plume | Brooklyn | NY | NPL Site | 50.00 |
| Memphis Defense Depot (DLA) | Memphis | TN | NPL Site | 58.06 |
| Mercury Refining, Inc. | Colonie | NY | Deleted NPL Site | 44.58 |
| Metal Banks | Philadelphia | PA | NPL Site | 33.23 |
| Metal Working Shop | Lake Ann | MI | Deleted NPL Site | 28.82 |
| Metaltec/Aerosystems | Franklin Borough | NJ | NPL Site | 48.95 |
| Metamora Landfill | Metamora | MI | NPL Site | 35.51 |
| Metro Container Corporation | Trainer | PA | NPL Site | 50.00 |
| Metropolitan Mirror and Glass Co., Inc. | Frackville | PA | Deleted NPL Site | 34.33 |
| MGM Brakes | Cloverdale | CA | Deleted NPL Site | 34.70 |
| Miami County Incinerator | Troy | OH | NPL Site | 57.84 |
| Miami Drum Services | Miami | FL | NPL Site | 53.56 |
| Mica Landfill | Mica | WA | NPL Site | 34.64 |
| Michigan Disposal Service (Cork Street Landfill) | Kalamazoo | MI | NPL Site | 37.93 |
| Michner Plating - Mechanic Street | Jackson | MI | NPL Site | 39.12 |
| Microfab, Inc. (Former) | Amesbury | MA | NPL Site | 50.00 |
| Mid-America Tanning Co. | Sergeant Bluff | IA | Deleted NPL Site | 47.91 |
| Mid-Atlantic Wood Preservers, Inc. | Harmans | MD | Deleted NPL Site | 42.31 |
| Mid-South Wood Products | Mena | AR | NPL Site | 45.87 |
| Mid-State Disposal, Inc. Landfill | Cleveland Township | WI | NPL Site | 35.23 |
| MIDCO I | Gary | IN | NPL Site | 46.44 |
| MIDCO II | Gary | IN | NPL Site | 30.16 |
| Middlesex Sampling Plant (USDOE) | Middlesex | NJ | NPL Site | 50.00 |
| Middletown Air Field | Middletown | PA | Deleted NPL Site | 35.69 |
| Middletown Road Dump | Annapolis | MD | Deleted NPL Site | 29.36 |
| Midessa Ground Water Plume | Odessa | TX | NPL Site | 50.00 |
| Midland Products | Birta, Ola | AR | NPL Site | 30.77 |
| Midnite Mine | Wellpinit | WA | NPL Site | 50.00 |
| Midvale Slag | Midvale | UT | Deleted NPL Site | 42.47 |
| Midway Landfill | Kent | WA | NPL Site | 54.27 |
| Midwest Manufacturing/North Farm | Kellogg | IA | NPL Site | 32.04 |
| MIG/Dewane Landfill | Belvidere | IL | NPL Site | 49.91 |
| Milan Army Ammunition Plant | Milan | TN | NPL Site | 58.15 |
| Milford Contaminated Aquifer | Milford | OH | NPL Site | 50.00 |
| Mill Creek Dump | Erie | PA | NPL Site | 49.31 |
| Millsboro TCE | Millsboro | DE | Proposed NPL Site | 50.00 |
| Milltown Reservoir Sediments | Milltown | MT | NPL Site | 43.78 |
| Minker/Stout/Romaine Creek | Imperial | MO | NPL Site | 36.78 |
| Minot Landfill | Minot | ND | Deleted NPL Site | 33.58 |
| Mississippi Phosphates Corporation | Pascagoula | MS | NPL Site | 50.00 |
| Missouri Electric Works | Cape Girardeau | MO | NPL Site | 31.20 |
| Modern Sanitation Landfill | Lower Windsor Township | PA | NPL Site | 33.93 |
| Modesto Ground Water Contamination | Modesto | CA | NPL Site | 28.90 |
| Moffett Naval Air Station | Sunnyvale | CA | NPL Site | 29.49 |
| Mohawk Tannery | Nashua | NH | Proposed NPL Site | 52.40 |
| Mohonk Road Industrial Plant | High Falls | NY | NPL Site | 50.00 |
| Monitor Devices, Inc./Intercircuits, Inc. | Wall Township | NJ | NPL Site | 41.93 |
| Monolithic Memories | Sunnyvale | CA | NPL Site | 35.57 |
| Monroe Auto Equipment Co. (Paragould Pit) | Paragould | AR | Deleted NPL Site | 46.01 |
| Monroe Township Landfill | Monroe Township | NJ | Deleted NPL Site | 42.37 |
| Monsanto Chemical Co. (Soda Springs Plant) | Soda Springs | ID | NPL Site | 54.77 |
| Monsanto Corp. (Augusta Plant) | Augusta | GA | Deleted NPL Site | 35.65 |
| Montana Pole and Treating | Butte | MT | NPL Site | 33.03 |
| Montclair/West Orange Radium Site | Montclair, West Orange | NJ | Deleted NPL Site | 49.14 |
| Montgomery Township Housing Development | Montgomery Township | NJ | NPL Site | 37.93 |
| Monticello Mill Tailings (USDOE) | Monticello | UT | NPL Site | 35.86 |
| Monticello Radioactively Contaminated Properties | Monticello | UT | Deleted NPL Site | 35.03 |
| Montrose Chemical Corp. | Torrance | CA | NPL Site | 32.10 |
| Morris Arsenic Dump | Morris | MN | Deleted NPL Site | 38.27 |
| Moses Lake Wellfield Contamination | Moses Lake | WA | NPL Site | 50.00 |
| Mosley Road Sanitary Landfill | Oklahoma City | OK | Deleted NPL Site | 38.06 |
| Moss-American Co., Inc. (Kerr-McGee Oil Co.) | Milwaukee | WI | NPL Site | 32.14 |
| Motco, Inc. | La Marque | TX | NPL Site | 0.00 |
| Motor Wheel, Inc. | Lansing | MI | NPL Site | 48.91 |
| Motorola, Inc. (52nd Street Plant) | Phoenix | AZ | NPL Site | 40.83 |
| Mottolo Pig Farm | Raymond | NH | NPL Site | 40.70 |
| Mouat Industries | Columbus | MT | NPL Site | 31.66 |
| Mound Plant (USDOE) | Miamisburg | OH | NPL Site | 34.61 |
| Mountain Home Air Force Base | Mountain Home | ID | NPL Site | 57.80 |
| Mountain Pine Pressure Treating | Plainview | AR | NPL Site | 41.93 |
| Mountain View Mobile Home Estates | Globe | AZ | Deleted NPL Site | 0.00 |
| Mowbray Engineering Co. | Greenville | AL | Deleted NPL Site | 53.67 |
| Moyers Landfill | Eagleville | PA | Deleted NPL Site | 37.62 |
| MRI Corp (Tampa) | Tampa | FL | NPL Site | 37.62 |
| Munisport Landfill | North Miami | FL | Deleted NPL Site | 32.37 |
| Murray Smelter | Murray City | UT | Proposed NPL Site | 86.60 |
| Murray-Ohio Dump | Lawrenceburg | TN | NPL Site | 46.44 |
| Muskego Sanitary Landfill | Muskego | WI | NPL Site | 51.91 |
| Muskegon Chemical Co. | Whitehall | MI | NPL Site | 34.19 |
| MW Manufacturing | Valley Township | PA | NPL Site | 46.44 |
| Myers Property | Franklin Township | NJ | NPL Site | 33.83 |
| Mystery Bridge Rd/U.S. Highway 20 | Evansville | WY | Deleted NPL Site | 32.10 |
| N.W. Mauthe Co., Inc. | Appleton | WI | NPL Site | 0.00 |
| Nascolite Corp. | Millville | NJ | NPL Site | 51.13 |
| Natick Laboratory Army Research, Development, and Engineering Center | Natick | MA | NPL Site | 50.00 |
| National Electric Coil Co./Cooper Industries | Dayhoit | KY | NPL Site | 50.00 |
| National Fireworks | Cordova | TN | NPL Site | 50.00 |
| National Presto Industries, Inc. | Eau Claire | WI | NPL Site | 42.39 |
| National Semiconductor Corp. | Santa Clara | CA | NPL Site | 35.57 |
| National Southwire Aluminum Co. | Hawesville | KY | Deleted NPL Site | 50.00 |
| National Starch & Chemical Corp. | Salisbury | NC | NPL Site | 46.51 |
| National Zinc Corp. | Bartlesville | OK | Proposed NPL Site | 50.00 |
| Naval Air Development Center (8 Waste Areas) | Warminster Township | PA | NPL Site | 57.93 |
| Naval Air Engineering Center | Lakehurst | NJ | NPL Site | 50.53 |
| Naval Air Station, Whidbey Island (Ault Field) | Whidbey Island | WA | NPL Site | 47.58 |
| Naval Air Station, Whidbey Island (Seaplane Base) | Whidbey Island | WA | Deleted NPL Site | 39.64 |
| Naval Amphibious Base Little Creek | Virginia Beach | VA | NPL Site | 50.00 |
| Naval Computer and Telecommunications Area Master Station Eastern Pacific | Oahu | HI | NPL Site | 50.00 |
| Naval Industrial Reserve Ordnance Plant | Fridley | MN | NPL Site | 30.83 |
| Naval Security Group Activity | Sabana Seca | PR | Deleted NPL Site | 34.28 |
| Naval Surface Warfare - Dahlgren | Dahlgren | VA | NPL Site | 50.03 |
| Naval Undersea Warfare Station (4 Areas) | Keyport | WA | NPL Site | 33.60 |
| Naval Weapons Industrial Reserve Plant | Bedford | MA | NPL Site | 50.00 |
| Naval Weapons Station - Yorktown | Yorktown | VA | NPL Site | 50.00 |
| Naval Weapons Station Earle (Site A) | Colts Neck | NJ | NPL Site | 29.65 |
| Naval Weapons Station Yorktown - Cheatham Annex | Williamsburg | VA | NPL Site | 49.27 |
| Navy Ships Parts Control Center | Mechanicsburg | PA | NPL Site | 50.00 |
| NCR Corp. (Millsboro Plant) | Millsboro | DE | NPL Site | 38.21 |
| Neal's Dump (Spencer) | Spencer | IN | Deleted NPL Site | 36.55 |
| Neal's Landfill (Bloomington) | Bloomington | IN | Deleted NPL Site | 42.93 |
| Nease Chemical | Salem | OH | NPL Site | 47.19 |
| Nebraska Ordnance Plant (Former) | Mead | NE | NPL Site | 31.94 |
| Nelson Tunnel/Commodore Waste Rock | Creede | CO | NPL Site | 48.03 |
| Nepera Chemical Co., Inc. | Maybrook | NY | NPL Site | 39.87 |
| New Bedford Site | New Bedford | MA | NPL Site | 0.00 |
| New Brighton/Arden Hills/TCAAP (USARMY) | New Brighton | MN | NPL Site | 59.16 |
| New Carlisle Landfill | New Carlisle | OH | NPL Site | 46.40 |
| New Cassel/Hicksville Ground Water Contamination | New Cassel/hicksville | NY | NPL Site | 50.00 |
| New Castle Spill | New Castle County | DE | Deleted NPL Site | 38.33 |
| New Castle Steel | New Castle County | DE | Deleted NPL Site | 30.40 |
| New Hampshire Plating Co. | Merrimack | NH | NPL Site | 50.00 |
| New Hanover County Airport Burn Pit | Wilmington | NC | Deleted NPL Site | 39.39 |
| New Idria Mercury Mine | Idria | CA | NPL Site | 31.66 |
| New London Submarine Base | New London | CT | NPL Site | 36.53 |
| New Lyme Landfill | New Lyme | OH | NPL Site | 31.19 |
| Newark South Ground Water Plume | Newark | DE | NPL Site | 50.00 |
| Newmark Ground Water Contamination | San Bernardino | CA | NPL Site | 35.57 |
| Newport Dump | Newport | KY | Deleted NPL Site | 37.63 |
| Newport Naval Education/Training Center | Newport | RI | NPL Site | 32.25 |
| Newsom Brothers/Old Reichhold Chemicals, Inc. | Columbia | MS | Deleted NPL Site | 45.70 |
| Newton County Mine Tailings | Granby | MO | NPL Site | 50.00 |
| Newton County Wells | Joplin | MO | NPL Site | 50.00 |
| Newtown Creek | Brooklyn, Queens | NY | NPL Site | 50.00 |
| Niagara County Refuse | Wheatfield | NY | Deleted NPL Site | 39.85 |
| Niagara Mohawk Power Corp. (Saratoga Spings Plant) | Saratoga Springs | NY | NPL Site | 35.48 |
| Nineteenth Avenue Landfill | Phoenix | AZ | Deleted NPL Site | 54.27 |
| Ninth Avenue Dump | Gary | IN | NPL Site | 40.32 |
| NL Industries | Pedricktown | NJ | NPL Site | 52.96 |
| NL Industries/Taracorp Lead Smelter | Granite City | IL | NPL Site | 38.11 |
| NL Industries/Taracorp/Golden Auto | St. Louis Park | MN | Deleted NPL Site | 39.97 |
| Norfolk Naval Base (Sewells Point Naval Complex) | Norfolk | VA | NPL Site | 50.00 |
| Norfolk Naval Shipyard | Portsmouth | VA | NPL Site | 50.00 |
| Normandy Park Apartments | Temple Terrace | FL | Proposed NPL Site | 49.98 |
| North 25th Street Glass and Zinc | Clarksburg | WV | NPL Site | 48.03 |
| North 5th Street Groundwater Contamination | Goshen | IN | NPL Site | 50.00 |
| North Belmont PCE | North Belmont | NC | NPL Site | 50.00 |
| North Bronson Industrial Area | Bronson | MI | NPL Site | 33.93 |
| North Carolina State University (Lot 86, Farm Unit #1) | Raleigh | NC | NPL Site | 48.36 |
| North Cavalcade Street | Houston | TX | NPL Site | 37.08 |
| North East 2nd Street (formerly Attebury Grain Storage Facility) | Happy | TX | NPL Site | 32.33 |
| North Hollywood Dump | Memphis | TN | Deleted NPL Site | 0.00 |
| North Market Street | Spokane | WA | NPL Site | 32.61 |
| North Penn - Area 1 | Souderton | PA | NPL Site | 35.57 |
| North Penn - Area 12 | Worcester | PA | NPL Site | 28.90 |
| North Penn - Area 2 | Hatfield | PA | NPL Site | 35.57 |
| North Penn - Area 5 | Montgomery Township | PA | NPL Site | 35.57 |
| North Penn - Area 6 | Lansdale | PA | NPL Site | 35.57 |
| North Penn - Area 7 | North Wales | PA | NPL Site | 35.57 |
| North Railroad Avenue Plume | Espanola | NM | NPL Site | 50.00 |
| North Ridge Estates | Klamath Falls | OR | NPL Site | 0.00 |
| North Sanitary Landfill | Dayton | OH | NPL Site | 50.00 |
| North Sea Municipal Landfill | North Sea | NY | Deleted NPL Site | 33.74 |
| North Shore Drive | Elkhart | IN | NPL Site | 50.00 |
| North-U Drive Well Contamination | Springfield | MO | Deleted NPL Site | 28.90 |
| Northern Engraving Co. | Sparta | WI | Deleted NPL Site | 38.75 |
| Northernaire Plating | Cadillac | MI | NPL Site | 57.93 |
| Northside Landfill | Spokane | WA | Deleted NPL Site | 28.90 |
| Northside Sanitary Landfill, Inc. | Zionsville | IN | NPL Site | 46.04 |
| Northwest 58th Street Landfill | Hialeah | FL | Deleted NPL Site | 49.43 |
| Northwest Odessa Groundwater | Odessa | TX | NPL Site | 50.00 |
| Northwest Pipe & Casing/Hall Process Co | Clackamas | OR | NPL Site | 51.09 |
| Northwest Transformer | Everson | WA | Deleted NPL Site | 33.82 |
| Northwest Transformer (South Harkness Street) | Everson | WA | Deleted NPL Site | 30.56 |
| Northwestern States Portland Cement Co. | Mason City | IA | Deleted NPL Site | 57.80 |
| Norton Air Force Base | San Bernardino | CA | NPL Site | 39.65 |
| Norwood PCBs | Norwood | MA | Deleted NPL Site | 29.43 |
| Novaco Industries | Temperance | MI | Deleted NPL Site | 38.20 |
| Novak Sanitary Landfill | South Whitehall Township | PA | NPL Site | 42.31 |
| Nuclear Metals, Inc. | Concord | MA | NPL Site | 58.31 |
| Nutmeg Valley Road | Wolcott | CT | Deleted NPL Site | 42.69 |
| Nutting Truck & Caster Co. | Faribault | MN | Deleted NPL Site | 37.87 |
| Nyanza Chemical Waste Dump | Ashland | MA | NPL Site | 69.22 |
| O'Connor | Augusta | ME | Deleted NPL Site | 31.86 |
| Oak Grove Sanitary Landfill | Oak Grove Township | MN | Deleted NPL Site | 43.40 |
| Oak Grove Village Well | Oak Grove Village | MO | NPL Site | 50.00 |
| Oak Ridge Reservation (USDOE) | Oak Ridge | TN | NPL Site | 51.13 |
| Oakdale Dump | Oakdale | MN | NPL Site | 55.71 |
| Obee Road | Hutchinson | KS | NPL Site | 33.62 |
| Occidental Chemical Corp./Firestone Tire & Rubber Co. | Lower Pottsgrove Township | PA | NPL Site | 45.91 |
| Ochoa Fertilizer Co | Guanica | PR | NPL Site | 56.15 |
| Oconomowoc Electroplating Co., Inc. | Ashippun | WI | NPL Site | 31.86 |
| Odessa Chromium #1 | Odessa | TX | NPL Site | 42.24 |
| Odessa Chromium #2 (Andrews Highway) | Odessa | TX | Deleted NPL Site | 42.24 |
| Oeser Co | Bellingham | WA | NPL Site | 69.34 |
| Ogallala Ground Water Contamination | Ogallala | NE | NPL Site | 50.00 |
| Ogden Defense Depot (DLA) | Ogden | UT | NPL Site | 45.10 |
| Ohio River Park | Neville Island | PA | NPL Site | 42.24 |
| Oklahoma Refining Co. | Cyril | OK | NPL Site | 46.01 |
| Old American Zinc Plant | Fairmont City | IL | NPL Site | 30.00 |
| Old Bethpage Landfill | Oyster Bay | NY | NPL Site | 58.83 |
| Old City of York Landfill | Seven Valleys | PA | NPL Site | 33.93 |
| Old ESCO Manufacturing | Greenville | TX | Deleted NPL Site | 40.81 |
| Old HWY 275 and N 288th Street | Valley | NE | NPL Site | 50.00 |
| Old Inger Oil Refinery | Darrow | LA | Deleted NPL Site | 0.00 |
| Old Inland Pit | Spokane | WA | Deleted NPL Site | 29.35 |
| Old Mill | Rock Creek | OH | NPL Site | 35.95 |
| Old Navy Dump/Manchester Laboratory (USEPA/NOAA) | Manchester | WA | NPL Site | 50.00 |
| Old Roosevelt Field Contaminated Ground Water Area | Garden City | NY | NPL Site | 50.00 |
| Old Southington Landfill | Southington | CT | Deleted NPL Site | 54.35 |
| Old Springfield Landfill | Springfield | VT | NPL Site | 34.79 |
| Old Wilmington Road Ground Water Contamination | Sadsburyville | PA | NPL Site | 50.00 |
| Olean Well Field | Olean | NY | NPL Site | 44.46 |
| Olin Chemical | Wilmington | MA | NPL Site | 50.00 |
| Olin Corp. (McIntosh Plant) | Mcintosh | AL | NPL Site | 39.71 |
| Olmsted County Sanitary Landfill | Oronoco | MN | Deleted NPL Site | 40.70 |
| Omaha Lead | Omaha | NE | NPL Site | 50.00 |
| Omega Chemical Corporation | Whittier | CA | NPL Site | 30.94 |
| Omega Hills North Landfill | Germantown | WI | Deleted NPL Site | 58.54 |
| Onalaska Municipal Landfill | Onalaska | WI | NPL Site | 42.47 |
| Onondaga Lake | Syracuse | NY | NPL Site | 50.00 |
| Operating Industries, Inc., Landfill | Monterey Park | CA | NPL Site | 57.22 |
| Orange County North Basin | Orange County | CA | NPL Site | 50.00 |
| Orange Valley Regional Ground Water Contamination | West Orange/orange | NJ | NPL Site | 50.00 |
| Ordnance Products, Inc. | Cecil County | MD | NPL Site | 32.15 |
| Ordnance Works Disposal Areas | Morgantown | WV | Deleted NPL Site | 35.62 |
| Ordot Landfill | Ordot | GU | NPL Site | 0.00 |
| Ore Knob Mine | Ashe County | NC | NPL Site | 50.00 |
| Organic Chemicals, Inc. | Grandville | MI | NPL Site | 32.93 |
| Ormet Corp. | Hannibal | OH | NPL Site | 46.44 |
| Oronogo-Duenweg Mining Belt | Jasper County | MO | NPL Site | 46.20 |
| Osborne Landfill | Grove City | PA | NPL Site | 54.60 |
| Ossineke Ground Water Contamination | Ossineke | MI | Deleted NPL Site | 33.78 |
| Otis Air National Guard Base/Camp Edwards | Falmouth | MA | NPL Site | 45.92 |
| Ott/Story/Cordova Chemical Co. | Dalton Township | MI | NPL Site | 53.41 |
| Ottati & Goss/Kingston Steel Drum | Kingston | NH | NPL Site | 53.41 |
| Ottawa Radiation Areas | Ottawa | IL | NPL Site | 50.00 |
| Ouachita Nevada Wood Treater | Reader | AR | NPL Site | 50.00 |
| Outboard Marine Corp. | Waukegan | IL | NPL Site | 0.00 |
| PAB Oil & Chemical Service, Inc. | Abbeville | LA | Deleted NPL Site | 38.94 |
| Pacific Car & Foundry Co. | Renton | WA | NPL Site | 42.33 |
| Pacific Coast Pipe Lines | Fillmore | CA | NPL Site | 46.01 |
| Pacific Hide & Fur Recycling Co. | Pocatello | ID | Deleted NPL Site | 42.30 |
| Pacific Sound Resources | Seattle | WA | NPL Site | 70.71 |
| Packaging Corp. of America | Filer City | MI | NPL Site | 51.91 |
| Paden City Groundwater | Paden City | WV | NPL Site | 50.00 |
| Paducah Gaseous Diffusion Plant (USDOE) | Paducah | KY | NPL Site | 56.95 |
| Pagano Salvage | Los Lunas | NM | Deleted NPL Site | 35.57 |
| Pagel's Pit | Rockford | IL | NPL Site | 45.91 |
| Palermo Well Field Ground Water Contamination | Tumwater | WA | NPL Site | 50.00 |
| Palmer Barge Line | Port Arthur | TX | Deleted NPL Site | 50.00 |
| Palmerton Zinc Pile | Palmerton | PA | NPL Site | 42.93 |
| Palmetto Recycling, Inc. | Columbia | SC | Deleted NPL Site | 29.46 |
| Palmetto Wood Preserving | Dixiana | SC | NPL Site | 38.43 |
| Pantex Plant (USDOE) | Pantex Village | TX | NPL Site | 51.22 |
| Paoli Rail Yard | Paoli | PA | NPL Site | 32.18 |
| Papelera Puertorriquena, Inc. | Utuado | PR | NPL Site | 34.69 |
| Para-Chem Southern, Inc. | Simpsonville | SC | NPL Site | 32.94 |
| Parker Sanitary Landfill | Lyndon | VT | NPL Site | 52.29 |
| Parkview Well | Grand Island | NE | NPL Site | 50.00 |
| Parramore Surplus | Mount Pleasant | FL | Deleted NPL Site | 37.61 |
| Parris Island Marine Corps Recruit Depot | Parris Island | SC | NPL Site | 50.00 |
| Parsons Casket Hardware Co. | Belvidere | IL | NPL Site | 55.58 |
| Parsons Chemical Works, Inc. | Grand Ledge | MI | NPL Site | 31.32 |
| Pasco Sanitary Landfill | Pasco | WA | NPL Site | 44.46 |
| Pasley Solvents & Chemicals, Inc. | Hempstead | NY | Deleted NPL Site | 39.65 |
| Patrick Bayou | Deer Park | TX | NPL Site | 47.83 |
| Patuxent River Naval Air Station | St. Mary's County | MD | NPL Site | 50.00 |
| PCB Spills | Warrenton | NC | Deleted NPL Site | 0.00 |
| PCE - Carriage Cleaners | Bellevue | NE | NPL Site | 50.00 |
| PCE Former Dry Cleaner | Atlantic | IA | NPL Site | 50.00 |
| PCE Southeast Contamination | York | NE | NPL Site | 43.33 |
| PCE/TCE Northeast Contamination | York | NE | NPL Site | 50.00 |
| Peach Orchard Road PCE Ground Water Plume | Augusta | GA | NPL Site | 50.00 |
| Peak Oil Co./Bay Drum Co. | Tampa | FL | NPL Site | 58.15 |
| Pearl Harbor Naval Complex | Pearl Harbor | HI | NPL Site | 70.82 |
| Pease Air Force Base | Newington, Portsmouth | NH | NPL Site | 39.42 |
| Peck Iron and Metal | Portsmouth | VA | NPL Site | 48.52 |
| Peerless Plating Co. | Muskegon | MI | NPL Site | 43.94 |
| Pemaco Maywood | Maywood | CA | NPL Site | 45.23 |
| Peninsula Boulevard Ground Water Plume | Hewlett | NY | NPL Site | 50.00 |
| Pensacola Naval Air Station | Pensacola | FL | NPL Site | 42.40 |
| Penta Wood Products | Daniels | WI | NPL Site | 50.00 |
| Peoples Natural Gas Co. | Dubuque | IA | NPL Site | 46.24 |
| Pepe Field | Boonton | NJ | Deleted NPL Site | 33.83 |
| Pepper Steel & Alloys, Inc. | Medley | FL | NPL Site | 31.92 |
| Perdido Ground Water Contamination | Perdido | AL | Deleted NPL Site | 30.29 |
| Perham Arsenic Site | Perham | MN | NPL Site | 37.98 |
| Pesses Chemical Co. | Fort Worth | TX | Deleted NPL Site | 28.86 |
| Pester Refinery Co. | El Dorado | KS | NPL Site | 30.16 |
| Pesticide Lab (Yakima) | Yakima | WA | Deleted NPL Site | 29.33 |
| Pesticide Warehouse I | Arecibo | PR | NPL Site | 50.00 |
| Pesticide Warehouse III | Manati | PR | NPL Site | 50.00 |
| Peter Cooper | Gowanda | NY | Deleted NPL Site | 50.00 |
| Peter Cooper Corporation (Markhams) | Dayton | NY | Deleted NPL Site | 30.00 |
| Peters Cartridge Factory | Kings Mills | OH | NPL Site | 50.00 |
| Petersen Sand & Gravel | Libertyville | IL | Deleted NPL Site | 38.43 |
| Peterson/Puritan, Inc. | Cumberland, Lincoln | RI | NPL Site | 40.10 |
| Petoskey Municipal Well Field | Petoskey | MI | NPL Site | 42.68 |
| Petro-Chemical Systems, Inc. (Turtle Bayou) | Liberty County | TX | NPL Site | 29.94 |
| Petro-Processors of Louisiana, Inc. | Scotlandville | LA | NPL Site | 41.44 |
| Petrochem Recycling Corp./Ekotek, Inc. | Salt Lake City | UT | Deleted NPL Site | 62.81 |
| Petroleum Products Corp. | Pembroke Park | FL | NPL Site | 40.11 |
| Pfohl Brothers Landfill | Cheektowaga | NY | Deleted NPL Site | 50.11 |
| Phoenix-Goodyear Airport Area | Avondale, Goodyear | AZ | NPL Site | 45.91 |
| Picatinny Arsenal (USARMY) | Rockaway Township | NJ | NPL Site | 42.92 |
| Picayune Wood Treating | Picayune | MS | NPL Site | 51.03 |
| Picillo Farm | Coventry | RI | NPL Site | 0.00 |
| Pickettville Road Landfill | Jacksonville | FL | NPL Site | 42.94 |
| Pierson's Creek | Newark | NJ | NPL Site | 47.99 |
| Pijak Farm | Plumstead Township | NJ | Deleted NPL Site | 43.48 |
| Pike and Mulberry Streets PCE Plume | Martinsville | IN | NPL Site | 50.00 |
| Pike Hill Copper Mine | Corinth | VT | NPL Site | 50.00 |
| Pine Bend Sanitary Landfill | Dakota County | MN | Deleted NPL Site | 52.11 |
| Pine Street Canal | Burlington | VT | NPL Site | 0.00 |
| Pinette's Salvage Yard | Washburn | ME | Deleted NPL Site | 33.98 |
| Pioneer Metal Finishing Inc | Franklinville | NJ | NPL Site | 47.99 |
| Pioneer Sand Co. | Warrington | FL | Deleted NPL Site | 51.97 |
| Piper Aircraft Corp./Vero Beach Water & Sewer Department | Vero Beach | FL | NPL Site | 31.13 |
| PJP Landfill | Jersey City | NJ | NPL Site | 28.73 |
| Plating, Inc. | Great Bend | KS | NPL Site | 50.00 |
| Plattsburgh Air Force Base | Plattsburgh | NY | NPL Site | 30.34 |
| Plymouth Harbor/Cannon Engineering Corp. | Plymouth | MA | Deleted NPL Site | 54.82 |
| Poer Farm | Hancock County | IN | Deleted NPL Site | 37.38 |
| Pohatcong Valley Ground Water Contamination | Warren County | NJ | NPL Site | 28.90 |
| Pollution Abatement Services | Oswego | NY | NPL Site | 0.00 |
| Pomona Oaks Residential Wells | Galloway Township | NJ | Deleted NPL Site | 31.94 |
| Pools Prairie | Neosho | MO | NPL Site | 50.00 |
| Popile, Inc. | El Dorado | AR | NPL Site | 50.03 |
| Port Hadlock Detachment (USNAVY) | Indian Island | WA | Deleted NPL Site | 50.00 |
| Port Washington Landfill | Port Washington | NY | NPL Site | 45.46 |
| Portland Cement (Kiln Dust 2 & 3) | Salt Lake City | UT | NPL Site | 54.40 |
| Portland Harbor | Portland | OR | NPL Site | 50.00 |
| Portsmouth Naval Shipyard | Kittery | ME | Deleted NPL Site | 50.00 |
| Post and Lumber Preserving Co. Inc. | Quincy | FL | NPL Site | 36.33 |
| Potter's Septic Tank Service Pits | Maco | NC | NPL Site | 29.14 |
| Powell Road Landfill | Dayton | OH | NPL Site | 31.62 |
| Powersville Site | Peach County | GA | Deleted NPL Site | 35.53 |
| Pownal Tannery | Pownal | VT | NPL Site | 50.00 |
| Precision Plating Corp. | Vernon | CT | NPL Site | 49.10 |
| Preferred Plating Corp. | Farmingdale | NY | NPL Site | 35.06 |
| Presque Isle | Erie | PA | Deleted NPL Site | 40.59 |
| Prestolite Battery Division | Vincennes | IN | NPL Site | 40.63 |
| Prewitt Abandoned Refinery | Prewitt | NM | NPL Site | 44.24 |
| Price Battery | Hamburg | PA | NPL Site | 37.86 |
| Price Landfill | Pleasantville | NJ | NPL Site | 0.00 |
| Pristine, Inc. | Reading | OH | NPL Site | 35.25 |
| PROTECO | Peñuelas | PR | NPL Site | 36.33 |
| PSC Resources | Palmer | MA | NPL Site | 38.66 |
| Publicker Industries Inc. | Philadelphia | PA | Deleted NPL Site | 59.06 |
| Puchack Well Field | Pennsauken Township | NJ | NPL Site | 50.00 |
| Puget Sound Naval Shipyard Complex | Bremerton | WA | NPL Site | 50.00 |
| Purity Oil Sales, Inc. | Malaga | CA | NPL Site | 43.27 |
| Quality Plating | Sikeston | MO | NPL Site | 40.70 |
| Quanta Resources | Edgewater | NJ | NPL Site | 50.00 |
| Queen City Farms | Maple Valley | WA | NPL Site | 34.38 |
| Quendall Terminals | Renton | WA | NPL Site | 50.00 |
| R & H Oil Company | San Antonio | TX | Proposed NPL Site | 50.00 |
| Radiation Technology, Inc. | Rockaway Township | NJ | NPL Site | 42.56 |
| Radium Chemical Co., Inc. | New York City | NY | Deleted NPL Site | 0.00 |
| Railroad Avenue Groundwater Contamination | Des Moines | IA | NPL Site | 50.00 |
| Raleigh Street Dump | Tampa | FL | NPL Site | 50.00 |
| Ralph Gray Trucking Co. | Westminster | CA | Deleted NPL Site | 35.04 |
| Ram Leather Care | Charlotte | NC | NPL Site | 40.43 |
| Ramapo Landfill | Ramapo | NY | NPL Site | 44.73 |
| Raritan Bay Slag | Old Bridge Township, Sayreville | NJ | NPL Site | 50.00 |
| Rasmussen's Dump | Brighton | MI | NPL Site | 31.80 |
| Ravenswood PCE Ground Water Plume | Ravenswood | WV | NPL Site | 50.00 |
| Raymark | Hatboro | PA | NPL Site | 53.42 |
| Raymark Industries, Inc. | Stratford | CT | NPL Site | 0.00 |
| Raytheon Corp. | Mountain View | CA | NPL Site | 29.76 |
| RCA Del Caribe | Barceloneta | PR | Deleted NPL Site | 31.14 |
| Re-Solve, Inc. | Dartmouth | MA | NPL Site | 47.71 |
| Reasor Chemical Company | Castle Hayne | NC | Deleted NPL Site | 32.14 |
| Recticon/Allied Steel Corp. | East Conventry Township | PA | Deleted NPL Site | 32.06 |
| Red Oak City Landfill | Red Oak | IA | Deleted NPL Site | 34.13 |
| Red Panther Chemical Company | Clarksdale | MS | Deleted NPL Site | 39.43 |
| Red Penn Sanitation Co. Landfill | Peewee Valley | KY | Deleted NPL Site | 38.10 |
| Redstone Arsenal (USARMY/NASA) | Huntsville | AL | NPL Site | 50.00 |
| Redwing Carriers, Inc. (Saraland) | Saraland | AL | Deleted NPL Site | 30.83 |
| Reeser's Landfill | Upper Macungie Township | PA | Deleted NPL Site | 30.35 |
| Reeves Southeastern Galvanizing Corp. | Tampa | FL | NPL Site | 58.75 |
| Refuse Hideaway Landfill | Middleton | WI | NPL Site | 34.67 |
| Reich Farms | Pleasant Plains | NJ | Deleted NPL Site | 53.48 |
| Reilly Tar & Chemical Corp. (Dover Plant) | Dover | OH | NPL Site | 31.38 |
| Reilly Tar & Chemical Corp. (Indianapolis Plant) | Indianapolis | IN | NPL Site | 34.03 |
| Reilly Tar & Chemical Corp. (St. Louis Park Plant) | St. Louis Park | MN | NPL Site | 0.00 |
| Renora, Inc. | Edison Township | NJ | Deleted NPL Site | 40.44 |
| Rentokil, Inc. (Virginia Wood Preserving Division) | Richmond | VA | NPL Site | 30.34 |
| Republic Steel Corp. Quarry | Elyria | OH | Deleted NPL Site | 29.85 |
| Resin Disposal | Jefferson Borough | PA | Deleted NPL Site | 37.69 |
| Revere Chemical Co. | Nockamixon Township | PA | NPL Site | 31.31 |
| Revere Textile Prints Corp. | Sterling | CT | Deleted NPL Site | 41.06 |
| Reynolds Metals Company | Troutdale | OR | NPL Site | 70.71 |
| Rhinehart Tire Fire Dump | Frederick County | VA | Deleted NPL Site | 30.57 |
| Richardson Flat Tailings | Summit County | UT | Proposed NPL Site | 50.23 |
| Richardson Hill Road Landfill/Pond | Sidney Center | NY | NPL Site | 34.86 |
| Ringwood Mines/Landfill | Ringwood Borough | NJ | NPL Site | 52.58 |
| Ripon City Landfill | Fond Du Lac County | WI | NPL Site | 39.04 |
| Ritari Post & Pole | Sebeka | MN | NPL Site | 29.81 |
| River City Metal Finishing | San Antonio | TX | Deleted NPL Site | 50.00 |
| River Road Landfill (Waste Management, Inc.) | Hermitage | PA | Deleted NPL Site | 43.12 |
| Riverbank Army Ammunition Plant | Riverbank | CA | NPL Site | 63.94 |
| Riverfront | New Haven | MO | NPL Site | 50.00 |
| Riverside Industrial Park | Newark | NJ | NPL Site | 50.00 |
| Robins Air Force Base (Landfill #4/Sludge Lagoon) | Houston County | GA | NPL Site | 51.66 |
| Robintech, Inc./National Pipe Co. | Town Of Vestal | NY | NPL Site | 30.75 |
| Rochester Property | Travelers Rest | SC | Deleted NPL Site | 36.72 |
| Rock Hill Chemical Co. | Rock Hill | SC | NPL Site | 40.29 |
| Rockaway Borough Well Field | Rockaway Township | NJ | NPL Site | 42.34 |
| Rockaway Township Wells | Rockaway Township | NJ | NPL Site | 28.90 |
| Rockets, Fireworks, and Flares (RFF) | Rialto | CA | NPL Site | 50.00 |
| Rockwell International Corp. (Allegan Plant) | Allegan | MI | NPL Site | 52.15 |
| Rockwell International Wheel & Trim | Grenada | MS | NPL Site | 50.00 |
| Rockwool Industries Inc. | Bell County | TX | NPL Site | 48.00 |
| Rocky Flats Plant (USDOE) | Golden | CO | NPL Site | 64.32 |
| Rocky Hill Municipal Well | Rocky Hill Borough | NJ | NPL Site | 37.93 |
| Rocky Mountain Arsenal (USARMY) | Adams County | CO | NPL Site | 58.15 |
| Rodale Manufacturing Co., Inc. | Emmaus Borough | PA | NPL Site | 50.00 |
| Roebling Steel Co. | Florence | NJ | NPL Site | 41.02 |
| Rogers Road Municipal Landfill | Jacksonville | AR | Deleted NPL Site | 29.64 |
| Rolling Knolls Landfill | Chatham Township | NJ | NPL Site | 58.31 |
| Rose Disposal Pit | Lanesboro | MA | NPL Site | 33.03 |
| Rose Hill Regional Landfill | South Kingstown | RI | NPL Site | 38.11 |
| Rose Park Sludge Pit | Salt Lake City | UT | Deleted NPL Site | 0.00 |
| Rose Township Dump | Rose Township | MI | NPL Site | 50.92 |
| Rosen Brothers Scrap Yard/Dump | Cortland | NY | NPL Site | 51.35 |
| Ross Metals Inc. | Rossville | TN | NPL Site | 37.65 |
| Roto-Finish Co., Inc. | Kalamazoo | MI | NPL Site | 40.70 |
| Route 561 Dump | Gibbsboro | NJ | Proposed NPL Site | 50.00 |
| Route 940 Drum Dump | Pocono Summit | PA | Deleted NPL Site | 44.06 |
| Rowe Industries Ground Water Contamination | Noyack, Sag Harbor | NY | NPL Site | 31.94 |
| RSR Corp. | Dallas | TX | NPL Site | 50.00 |
| Ruston Foundry | Alexandria | LA | Deleted NPL Site | 43.17 |
| Ryeland Road Arsenic | Heidelberg Township | PA | NPL Site | 60.30 |
| Saco Municipal Landfill | Saco | ME | NPL Site | 29.49 |
| Saco Tannery Waste Pits | Saco | ME | Deleted NPL Site | 43.19 |
| Sacramento Army Depot | Sacramento | CA | NPL Site | 44.46 |
| Saegertown Industrial Area | Saegertown | PA | NPL Site | 33.62 |
| Safety Light Corporation | Bloomsburg | PA | NPL Site | 70.71 |
| Saint-Gobain Performance Plastics | Village Of Hoosick Falls | NY | NPL Site | 50.00 |
| Salem Acres | Salem | MA | Deleted NPL Site | 34.94 |
| Salford Quarry | Lower Salford Township | PA | NPL Site | 50.00 |
| Salt Chuck Mine | Thorne Bay | AK | NPL Site | 50.00 |
| Saltville Waste Disposal Ponds | Saltville | VA | NPL Site | 29.52 |
| San Fernando Valley (Area 1) | Los Angeles | CA | NPL Site | 42.24 |
| San Fernando Valley (Area 2) | Glendale, Los Angeles | CA | NPL Site | 42.24 |
| San Fernando Valley (Area 3) | Glendale | CA | Deleted NPL Site | 42.24 |
| San Fernando Valley (Area 4) | Los Angeles | CA | NPL Site | 35.57 |
| San Gabriel Valley (Area 1) | El Monte | CA | NPL Site | 42.24 |
| San Gabriel Valley (Area 2) | Baldwin Park Area | CA | NPL Site | 42.24 |
| San Gabriel Valley (Area 3) | Alhambra | CA | NPL Site | 28.90 |
| San Gabriel Valley (Area 4) | La Puente | CA | NPL Site | 28.90 |
| San German Ground Water Contamination | San German | PR | NPL Site | 50.00 |
| San Jacinto River Waste Pits | Channelview | TX | NPL Site | 50.00 |
| Sand Creek Industrial | Commerce City | CO | Deleted NPL Site | 59.65 |
| Sand Springs Petrochemical Complex | Sand Springs | OK | Deleted NPL Site | 28.86 |
| Sand, Gravel and Stone | Elkton | MD | NPL Site | 41.08 |
| Sandoval Zinc Company | Sandoval | IL | NPL Site | 30.00 |
| Sandy Beach Road Ground Water Plume | Azle | TX | NPL Site | 50.00 |
| Sanford Dry Cleaners | Sanford | FL | NPL Site | 50.00 |
| Sangamo Electric Dump/Crab Orchard National Wildlife Refuge (USDOI) | Carterville | IL | NPL Site | 43.70 |
| Sangamo Weston, Inc./Twelve-Mile Creek/Lake Hartwell PCB Contamination | Pickens | SC | NPL Site | 37.63 |
| Sanitary Landfill Co. (Industrial Waste Disposal Co., Inc.) | Dayton | OH | NPL Site | 35.57 |
| Sapp Battery Salvage | Cottondale | FL | NPL Site | 47.70 |
| Sarney Farm | Amenia | NY | NPL Site | 33.20 |
| Sauer Dump | Dundalk | MD | NPL Site | 50.00 |
| Sauget Area 1 | Cahokia, Sauget | IL | Proposed NPL Site | 50.00 |
| Sauget Area 2 | Sauget | IL | Proposed NPL Site | 50.00 |
| Sauk County Landfill | Excelsior | WI | NPL Site | 34.21 |
| Saunders Supply Co. | Chuckatuck | VA | NPL Site | 36.88 |
| Savage Municipal Water Supply | Milford | NH | NPL Site | 37.52 |
| Savanna Army Depot Activity | Savanna | IL | NPL Site | 42.20 |
| Savannah River Site (USDOE) | Aiken | SC | NPL Site | 47.70 |
| Sayreville Landfill | Sayreville | NJ | Deleted NPL Site | 37.05 |
| SBA Shipyard | Jennings | LA | NPL Site | 50.00 |
| SCA Independent Landfill | Muskegon Heights | MI | NPL Site | 34.75 |
| Schmalz Dump | Harrison | WI | NPL Site | 48.92 |
| Schofield Barracks (USARMY) | Oahu | HI | Deleted NPL Site | 28.90 |
| Schroud Property | Chicago | IL | NPL Site | 50.00 |
| Schuylkill Metals Corp. | Plant City | FL | Deleted NPL Site | 59.16 |
| Scientific Chemical Processing | Carlstadt | NJ | NPL Site | 55.97 |
| Scorpio Recycling, Inc. | Candeleria Ward | PR | NPL Site | 50.00 |
| Scovill Industrial Landfill | Waterbury | CT | NPL Site | 50.00 |
| Scrap Processing Co., Inc. | Medford | WI | Deleted NPL Site | 34.24 |
| SCRDI Bluff Road | Columbia | SC | NPL Site | 0.00 |
| SCRDI Dixiana | Cayce | SC | NPL Site | 40.70 |
| Sealand Limited | Mount Pleasant | DE | Deleted NPL Site | 33.10 |
| Sealand Restoration, Inc. | Lisbon | NY | NPL Site | 29.36 |
| Seattle Municipal Landfill (Kent Highlands) | Kent | WA | NPL Site | 52.19 |
| Selma Treating Co. | Selma | CA | NPL Site | 48.83 |
| Seneca Army Depot | Romulus | NY | NPL Site | 35.52 |
| Seymour Recycling Corp. | Seymour | IN | NPL Site | 0.00 |
| Shaffer Equipment/Arbuckle Creek Area | Minden | WV | NPL Site | 50.54 |
| Sharkey Landfill | Parsippany, Troy Hills | NJ | NPL Site | 48.85 |
| Sharon Steel Corp (Fairmont Coke Works) | Fairmont | WV | NPL Site | 57.08 |
| Sharon Steel Corp (Farrell Works Disposal Area) | Hickory Township | PA | NPL Site | 50.00 |
| Sharon Steel Corp. (Midvale Tailings) | Midvale | UT | Deleted NPL Site | 41.85 |
| Sharpe Army Depot | Lathrop | CA | NPL Site | 42.24 |
| Shaw Avenue Dump | Charles City | IA | NPL Site | 30.01 |
| Sheboygan Harbor & River | Sheboygan | WI | NPL Site | 33.79 |
| Sheller-Globe Corp. Disposal | Keokuk | IA | Deleted NPL Site | 33.66 |
| Shenandoah Road Ground Water Contamination | East Fishkill | NY | NPL Site | 50.00 |
| Shenandoah Stables | Moscow Mills | MO | Deleted NPL Site | 30.09 |
| Sheridan Disposal Services | Hempstead | TX | NPL Site | 30.16 |
| Sherwin-Williams/Hilliards Creek | Gibbsboro | NJ | NPL Site | 50.00 |
| Sherwood Medical Co. | Norfolk | NE | NPL Site | 50.00 |
| Sherwood Medical Industries | Deland | FL | NPL Site | 39.83 |
| Shiawassee River | Howell | MI | NPL Site | 31.01 |
| Shieldalloy Corp. | Newfield Borough | NJ | NPL Site | 58.75 |
| Shpack Landfill | Attleboro, Norton | MA | Deleted NPL Site | 29.45 |
| Shriver's Corner | Straban Township | PA | NPL Site | 46.13 |
| Shuron Inc. | Barnwell | SC | NPL Site | 68.26 |
| Sidney Landfill | Sidney | NY | NPL Site | 29.36 |
| Sigmon's Septic Tank Service | Statesville | NC | NPL Site | 30.03 |
| Sikes Disposal Pits | Crosby | TX | NPL Site | 61.62 |
| Silresim Chemical Corp. | Lowell | MA | NPL Site | 42.72 |
| Silver Bow Creek/Butte Area | Silver Bow Creek | MT | NPL Site | 63.76 |
| Silver Mountain Mine | Loomis | WA | Deleted NPL Site | 29.98 |
| Sinclair Refinery | Wellsville | NY | NPL Site | 53.90 |
| Sixty-Second Street Dump | Tampa | FL | Deleted NPL Site | 49.09 |
| Skinner Landfill | West Chester | OH | NPL Site | 30.23 |
| Smalley-Piper | Collierville | TN | NPL Site | 50.00 |
| Smeltertown Site | Salida | CO | Proposed NPL Site | 58.56 |
| Smith's Farm | Brooks | KY | NPL Site | 32.69 |
| Smithtown Ground Water Contamination | Smithtown | NY | Deleted NPL Site | 50.00 |
| Smokey Mountain Smelters | Knoxville | TN | NPL Site | 50.00 |
| SMS Instruments, Inc. | Deer Park | NY | Deleted NPL Site | 37.32 |
| Smuggler Mountain | Pitkin County | CO | Deleted NPL Site | 31.31 |
| Smurfit-Stone Mill | Missoula | MT | Proposed NPL Site | 50.00 |
| Sol Lynn/Industrial Transformers | Houston | TX | NPL Site | 39.65 |
| Sola Optical USA, Inc. | Petaluma | CA | Deleted NPL Site | 33.39 |
| Solid State Circuits, Inc. | Republic | MO | NPL Site | 37.93 |
| Solitron Microwave | Port Salerno | FL | NPL Site | 50.00 |
| Solvent Savers | Lincklaen | NY | NPL Site | 34.78 |
| Solvents Recovery Service of New England | Southington | CT | NPL Site | 44.93 |
| Somersworth Sanitary Landfill | Somersworth | NH | NPL Site | 65.56 |
| Sonford Products | Flowood | MS | NPL Site | 31.66 |
| South 8th Street Landfill | West Memphis | AR | Deleted NPL Site | 50.27 |
| South Andover Site | Andover | MN | NPL Site | 35.41 |
| South Bay Asbestos Area | Alviso | CA | NPL Site | 44.68 |
| South Brunswick Landfill | South Brunswick | NJ | Deleted NPL Site | 53.42 |
| South Cavalcade Street | Houston | TX | NPL Site | 38.69 |
| South Dayton Dump & Landfill | Moraine | OH | Proposed NPL Site | 48.63 |
| South Jersey Clothing Co. | Minotola | NJ | NPL Site | 42.24 |
| South Macomb Disposal Authority (Landfills #9 and #9A) | Macomb Township | MI | NPL Site | 33.67 |
| South Minneapolis Residential Soil Contamination | Minneapolis | MN | NPL Site | 44.58 |
| South Municipal Water Supply Well | Peterborough | NH | NPL Site | 35.64 |
| South Point Plant | South Point | OH | NPL Site | 46.33 |
| South Valley | Albuquerque | NM | NPL Site | 0.00 |
| South Weymouth Naval Air Station | Weymouth | MA | NPL Site | 50.00 |
| Southeast Hennepin Area Groundwater and Vapor | Minneapolis | MN | NPL Site | 50.00 |
| Southeast Rockford Ground Water Contamination | Rockford | IL | NPL Site | 42.24 |
| Southeastern Wood Preserving | Canton | MS | NPL Site | 48.03 |
| Southern Avenue Industrial Area | South Gate | CA | NPL Site | 50.00 |
| Southern California Edison Co. (Visalia Poleyard) | Visalia | CA | Deleted NPL Site | 48.91 |
| Southern Maryland Wood Treating | Hollywood | MD | Deleted NPL Site | 34.21 |
| Southern Shipbuilding | Slidell | LA | Deleted NPL Site | 50.00 |
| Southern Solvents, Inc. | Tampa | FL | NPL Site | 50.00 |
| Southside Chattanooga Lead | Chattanooga | TN | NPL Site | 50.00 |
| Southside Sanitary Landfill | Indianapolis | IN | Deleted NPL Site | 41.94 |
| Southwest Jefferson County Mining | Jefferson County | MO | NPL Site | 70.71 |
| Southwest Ottawa County Landfill | Park Township | MI | NPL Site | 39.66 |
| Sparta Landfill | Sparta Township | MI | NPL Site | 32.00 |
| Spartan Chemical Co. | Wyoming | MI | NPL Site | 41.05 |
| Spectra-Physics, Inc. | Mountain View | CA | NPL Site | 37.20 |
| Spectron, Inc. | Elkton | MD | NPL Site | 51.42 |
| Spence Farm | Plumstead Township | NJ | Deleted NPL Site | 45.87 |
| Spickler Landfill | Spencer | WI | NPL Site | 44.24 |
| Spiegelberg Landfill | Green Oak Township | MI | Deleted NPL Site | 53.61 |
| Spokane Junkyard/Associated Properties | Spokane | WA | Deleted NPL Site | 50.00 |
| Sporlan Valve Plant #1 | Washington | MO | NPL Site | 35.15 |
| Sprague Road Ground Water Plume | Odessa | TX | NPL Site | 43.21 |
| Spring Park Municipal Well Field | Spring Park | MN | NPL Site | 50.00 |
| Springfield Township Dump | Davisburg | MI | NPL Site | 51.97 |
| St. Augusta Sanitary Landfill/Engen Dump | St. Augusta Township | MN | Deleted NPL Site | 33.85 |
| St. Juliens Creek Annex (U.S. Navy) | Chesapeake | VA | NPL Site | 50.00 |
| St. Louis Airport/Hazelwood Interim Storage/Futura Coatings Co. | St. Louis County | MO | NPL Site | 38.31 |
| St. Louis River Site | St. Louis County | MN | NPL Site | 32.08 |
| St. Maries Creosote | St. Maries | ID | Proposed NPL Site | 50.00 |
| St. Regis Paper Co. | Cass Lake | MN | NPL Site | 52.88 |
| Stamina Mills, Inc. | North Smithfield | RI | NPL Site | 34.07 |
| Standard Auto Bumper Corp. | Hialeah | FL | Deleted NPL Site | 42.79 |
| Standard Chlorine | Kearny | NJ | NPL Site | 50.00 |
| Standard Chlorine of Delaware, Inc. | Delaware City | DE | NPL Site | 35.42 |
| Standard Mine | Gunnison National Forest | CO | NPL Site | 50.00 |
| Standard Steel & Metal Salvage Yard (USDOT) | Anchorage | AK | Deleted NPL Site | 46.25 |
| Stanley Kessler | King Of Prussia | PA | NPL Site | 33.89 |
| Stanton Cleaners Area Ground Water Contamination | Great Neck | NY | NPL Site | 35.76 |
| Star Lake Canal | Port Neches | TX | NPL Site | 50.00 |
| State Disposal Landfill, Inc. | Grand Rapids | MI | NPL Site | 42.24 |
| State Marine of Port Arthur | Jefferson County | TX | Deleted NPL Site | 48.00 |
| State Road 114 Ground Water Plume | Levelland | TX | NPL Site | 42.41 |
| Stauffer Chemical Co (Tampa) | Tampa | FL | NPL Site | 59.81 |
| Stauffer Chemical Co. (Cold Creek Plant) | Bucks | AL | NPL Site | 46.77 |
| Stauffer Chemical Co. (LeMoyne Plant) | Axis | AL | NPL Site | 32.34 |
| Stauffer Chemical Co. (Tarpon Springs) | Tarpon Springs | FL | NPL Site | 50.00 |
| Stewco, Inc. | Waskom | TX | Deleted NPL Site | 48.86 |
| Stibnite/Yellow Pine Mining Area | Yellow Pine | ID | Proposed NPL Site | 50.00 |
| Stoker Company | Imperial | CA | Proposed NPL Site | 70.94 |
| Stoughton City Landfill | Stoughton | WI | NPL Site | 35.79 |
| Strasburg Landfill | Newlin Township | PA | Deleted NPL Site | 30.71 |
| Stringfellow | Glen Avon Heights | CA | NPL Site | 0.00 |
| Strother Field Industrial Park | Cowley County | KS | NPL Site | 33.62 |
| Sturgis Municipal Wells | Sturgis | MI | NPL Site | 42.24 |
| Suffern Village Well Field | Village Of Suffern | NY | Deleted NPL Site | 35.57 |
| Suffolk City Landfill | Suffolk | VA | Deleted NPL Site | 35.76 |
| Sullivan's Ledge | New Bedford | MA | NPL Site | 32.77 |
| Sulphur Bank Mercury Mine | Clear Lake | CA | NPL Site | 44.42 |
| Summit National | Deerfield Township | OH | NPL Site | 52.28 |
| Summitville Mine | Rio Grande County | CO | NPL Site | 50.00 |
| Sussex County Landfill No. 5 | Laurel | DE | Deleted NPL Site | 28.90 |
| Sutton Brook Disposal Area | Tewksbury | MA | NPL Site | 57.12 |
| Swope Oil & Chemical Co. | Pennsauken Township | NJ | NPL Site | 35.68 |
| Sydney Mine Sludge Ponds | Brandon | FL | NPL Site | 38.93 |
| Sylvester | Nashua | NH | NPL Site | 0.00 |
| Syncon Resins | South Kearny | NJ | NPL Site | 43.43 |
| Synertek, Inc. (Building 1) | Santa Clara | CA | NPL Site | 31.94 |
| Syntex Facility | Verona | MO | NPL Site | 43.78 |
| Syosset Landfill | Oyster Bay | NY | Deleted NPL Site | 54.27 |
| T.H. Agriculture & Nutrition Co. | Fresno | CA | Deleted NPL Site | 42.24 |
| T.H. Agriculture & Nutrition Co. (Albany Plant) | Albany | GA | NPL Site | 40.93 |
| T.H. Agriculture & Nutrition Co. (Montgomery Plant) | Montgomery | AL | NPL Site | 44.46 |
| Tabernacle Drum Dump | Tabernacle Township | NJ | Deleted NPL Site | 36.83 |
| Tansitor Electronics, Inc. | Bennington | VT | Deleted NPL Site | 35.72 |
| Taputimu Farm | Taputimu | AS | Deleted NPL Site | 0.00 |
| Tar Creek (Ottawa County) | Ottawa County | OK | NPL Site | 58.15 |
| Tar Lake | Mancelona Township | MI | NPL Site | 48.55 |
| Taylor Borough Dump | Taylor Borough | PA | Deleted NPL Site | 30.94 |
| Taylor Lumber and Treating | Sheridan | OR | NPL Site | 71.78 |
| Taylor Road Landfill | Seffner | FL | NPL Site | 51.37 |
| Teledyne Semiconductor | Mountain View | CA | NPL Site | 35.35 |
| Teledyne Wah Chang | Albany | OR | NPL Site | 54.27 |
| Ten-Mile Drain | St. Clair Shores | MI | NPL Site | 48.88 |
| Tennessee Products | Chattanooga | TN | Deleted NPL Site | 0.00 |
| Tenth Street Dump/Junkyard | Oklahoma City | OK | Deleted NPL Site | 30.98 |
| Terry Creek Dredge Spoil Areas/Hercules Outfall | Brunswick | GA | Proposed NPL Site | 50.18 |
| Tex-Tin Corp. | Texas City | TX | NPL Site | 50.00 |
| Texarkana Wood Preserving Co. | Texarkana | TX | NPL Site | 40.19 |
| The Battery Recycling Company | Bo. Cambalache | PR | NPL Site | 56.66 |
| Thermo-Chem, Inc. | Muskegon | MI | NPL Site | 53.36 |
| Tibbetts Road | Barrington | NH | NPL Site | 41.09 |
| Times Beach | Times Beach | MO | Deleted NPL Site | 40.08 |
| Tinker Air Force Base (Soldier Creek/Building 3001) | Oklahoma City | OK | NPL Site | 42.24 |
| Tinkham Garage | Londonderry | NH | NPL Site | 43.24 |
| Tippecanoe Sanitary Landfill, Inc | Lafayette | IN | NPL Site | 42.24 |
| Tobyhanna Army Depot | Tobyhanna | PA | NPL Site | 37.93 |
| Toftdahl Drums | Brush Prairie | WA | Deleted NPL Site | 40.22 |
| Tomah Armory | Tomah | WI | Deleted NPL Site | 30.63 |
| Tomah Fairgrounds | Tomah | WI | Deleted NPL Site | 32.87 |
| Tomah Municipal Sanitary Landfill | Tomah | WI | NPL Site | 45.91 |
| Tonolli Corp. | Nesquehoning | PA | NPL Site | 46.58 |
| Tooele Army Depot (North Area) | Tooele | UT | NPL Site | 53.95 |
| Torch Lake | Houghton County | MI | NPL Site | 46.72 |
| Tower Chemical Co. | Clermont | FL | NPL Site | 44.03 |
| Town Garage/Radio Beacon | Londonderry | NH | Deleted NPL Site | 31.94 |
| Townsend Saw Chain Co. | Pontiac | SC | NPL Site | 35.94 |
| Tracy Defense Depot (USARMY) | Tracy | CA | NPL Site | 37.16 |
| Trans Circuits, Inc. | Lake Park | FL | NPL Site | 50.00 |
| Travis Air Force Base | Solano County | CA | NPL Site | 29.49 |
| Tri-Cities Barrel Co., Inc. | Port Crane | NY | NPL Site | 44.06 |
| Tri-City Disposal Co. | Shepherdsville | KY | NPL Site | 33.82 |
| Tri-City Oil Conservationist, Inc. | Tampa | FL | Deleted NPL Site | 39.30 |
| Tri-County Landfill Co./Waste Management of Illinois, Inc. | South Elgin | IL | NPL Site | 42.76 |
| Tri-County Public Airport | Delavan | KS | Proposed NPL Site | 50.00 |
| Tri-State Plating | Columbus | IN | Deleted NPL Site | 29.28 |
| Triana/Tennessee River | Limestone, Morgan | AL | NPL Site | 61.42 |
| Triangle Chemical Co. | Bridge City | TX | Deleted NPL Site | 28.75 |
| Tronic Plating Co., Inc. | Farmingdale | NY | Deleted NPL Site | 45.14 |
| Troy Mills Landfill | Troy | NH | NPL Site | 50.00 |
| TRW Microwave, Inc. (Building 825) | Sunnyvale | CA | NPL Site | 31.94 |
| TRW, Inc. (Minerva Plant) | Minerva | OH | NPL Site | 38.08 |
| Tucson International Airport Area | Tucson | AZ | NPL Site | 57.80 |
| Tulalip Landfill | Marysville | WA | Deleted NPL Site | 50.00 |
| Tulsa Fuel and Manufacturing | Collinsville | OK | Deleted NPL Site | 50.00 |
| Twin Cities Air Force Reserve Base (Small Arms Range Landfill) | Minneapolis | MN | Deleted NPL Site | 33.62 |
| Tybouts Corner Landfill | New Castle County | DE | NPL Site | 0.00 |
| Tyler Refrigeration Pit | Smyrna | DE | Deleted NPL Site | 33.94 |
| Tyndall Air Force Base | Panama City | FL | NPL Site | 50.00 |
| Tysons Dump | Upper Merion Township | PA | NPL Site | 63.10 |
| U.S. Aviex | Howard Township | MI | NPL Site | 33.66 |
| U.S. Magnesium | Tooele County | UT | NPL Site | 59.18 |
| U.S. Radium Corp. | Orange | NJ | NPL Site | 37.79 |
| U.S. Smelter and Lead Refinery, Inc. | East Chicago | IN | NPL Site | 58.31 |
| U.S. Titanium | Piney River | VA | NPL Site | 34.78 |
| UGI Columbia Gas Plant | Columbia | PA | NPL Site | 50.78 |
| Umatilla Army Depot (Lagoons) | Hermiston | OR | NPL Site | 31.31 |
| Unimatic Manufacturing Corporation | Fairfield | NJ | NPL Site | 50.00 |
| Union Chemical Co., Inc. | South Hope | ME | Deleted NPL Site | 32.11 |
| Union Pacific Railroad Co. | Pocatello | ID | Deleted NPL Site | 53.47 |
| Union Pacific Railroad Co. Tie-Treating Plant | The Dalles | OR | NPL Site | 37.93 |
| Union Scrap Iron & Metal Co. | Minneapolis | MN | Deleted NPL Site | 42.63 |
| United Chrome Products, Inc. | Corvallis | OR | NPL Site | 31.07 |
| United Creosoting Co. | Conroe | TX | NPL Site | 37.29 |
| United Heckathorn Co. | Richmond | CA | NPL Site | 38.49 |
| United Metals, Inc. | Marianna | FL | NPL Site | 33.73 |
| United Nuclear Corp. | Church Rock | NM | NPL Site | 30.36 |
| United Scrap Lead Co., Inc. | Troy | OH | Deleted NPL Site | 58.15 |
| United States Avenue Burn | Gibbsboro | NJ | NPL Site | 50.00 |
| Unity Auto Mart | Unity | WI | NPL Site | 50.00 |
| Universal Oil Products (Chemical Division) | East Rutherford | NJ | NPL Site | 54.63 |
| University of Minnesota (Rosemount Research Center) | Rosemount | MN | Deleted NPL Site | 45.91 |
| Upjohn Facility | Barceloneta | PR | NPL Site | 41.92 |
| Upper Columbia River | Upper Columbia River | WA | NPL Site | 51.15 |
| Upper Deerfield Township Sanitary Landfill | Upper Deerfield Township | NJ | Deleted NPL Site | 33.62 |
| Upper Tenmile Creek Mining Area | Helena, Rimini | MT | NPL Site | 50.00 |
| Uravan Uranium Project (Union Carbide Corp.) | Uravan | CO | NPL Site | 43.53 |
| US Finishing/Cone Mills | Greenville | SC | NPL Site | 50.00 |
| US Oil Recovery | Pasadena | TX | NPL Site | 50.00 |
| Utah Power & Light/American Barrel Co. | Salt Lake City | UT | NPL Site | 37.93 |
| V&M/Albaladejo | Almirante Norte Ward | PR | Deleted NPL Site | 50.00 |
| Valley Park TCE | Valley Park | MO | NPL Site | 35.57 |
| Valley Pike VOCs | Riverside | OH | NPL Site | 50.00 |
| Valley Wood Preserving, Inc. | Turlock | CA | NPL Site | 32.01 |
| Valmont TCE | West Hazleton | PA | NPL Site | 43.16 |
| Van Dale Junkyard | Marietta | OH | NPL Site | 33.03 |
| Van der Horst USA Corporation | Terrell | TX | NPL Site | 48.00 |
| Vancouver Water Station #1 Contamination | Vancouver | WA | Deleted NPL Site | 50.00 |
| Vancouver Water Station #4 Contamination | Vancouver | WA | Deleted NPL Site | 50.00 |
| Varsol Spill | Miami | FL | Deleted NPL Site | 44.46 |
| Vasquez Boulevard and I-70 | Denver | CO | NPL Site | 50.00 |
| Vega Alta Public Supply Wells | Vega Alta | PR | NPL Site | 42.24 |
| Vega Baja Solid Waste Disposal | Rio Abajo Ward | PR | NPL Site | 50.37 |
| Velsicol Chemical Corp. (Hardeman County) | Toone | TN | NPL Site | 47.71 |
| Velsicol Chemical Corp. (Marshall Plant) | Marshall | IL | NPL Site | 48.78 |
| Velsicol Chemical Corp.(Michigan) | St. Louis | MI | NPL Site | 52.29 |
| Ventron/Velsicol | Woodridge Borough | NJ | NPL Site | 51.38 |
| Verona Well Field | Battle Creek | MI | NPL Site | 46.86 |
| Vertac, Inc. | Jacksonville | AR | NPL Site | 65.46 |
| Vestal Water Supply Well 1-1 | Vestal | NY | NPL Site | 37.93 |
| Vestal Water Supply Well 4-2 | Vestal | NY | Deleted NPL Site | 42.24 |
| Vienna Tetrachloroethene | Vienna | WV | NPL Site | 50.00 |
| Vienna Wells | Vienna | MO | NPL Site | 50.00 |
| Vineland Chemical Co., Inc. | Vineland | NJ | NPL Site | 59.16 |
| Vineland State School | Vineland | NJ | Deleted NPL Site | 40.84 |
| Vogel Paint & Wax Co. | Orange City | IA | NPL Site | 31.45 |
| Volney Municipal Landfill | Town Of Volney | NY | NPL Site | 32.89 |
| Voortman Farm | Upper Saucon Township | PA | Deleted NPL Site | 28.62 |
| W.R. Grace & Co., Inc. (Acton Plant) | Acton | MA | NPL Site | 59.31 |
| W.R. Grace & Co., Inc./Wayne Interim Storage Site (USDOE) | Wayne Township | NJ | Deleted NPL Site | 47.14 |
| Wade (ABM) | Chester | PA | Deleted NPL Site | 36.63 |
| Waite Park Wells | Waite Park | MN | NPL Site | 31.94 |
| Walcotte Chemical Co. Warehouses | Greenville | MS | Deleted NPL Site | 0.00 |
| Waldick Aerospace Devices, Inc. | Wall Township | NJ | NPL Site | 44.86 |
| Walker Machine Products, Inc. | Collierville | TN | NPL Site | 50.00 |
| Walsh Landfill | Honeybrook Township | PA | NPL Site | 33.64 |
| Walton & Lonsbury Inc. | Attleboro | MA | NPL Site | 58.30 |
| Wamchem, Inc. | Burton | SC | NPL Site | 47.70 |
| Wappinger Creek | Dutchess County | NY | NPL Site | 50.00 |
| Ward Transformer | Raleigh | NC | NPL Site | 50.00 |
| Warwick Landfill | Warwick | NY | Deleted NPL Site | 29.41 |
| Wasatch Chemical Co. (Lot 6) | Salt Lake City | UT | NPL Site | 49.91 |
| Wash King Laundry | Pleasant Plains Township | MI | NPL Site | 40.03 |
| Washington County Landfill | Lake Elmo | MN | Deleted NPL Site | 42.24 |
| Washington County Lead District - Furnace Creek | Caledonia | MO | NPL Site | 50.00 |
| Washington County Lead District - Old Mines | Old Mines | MO | NPL Site | 76.81 |
| Washington County Lead District - Potosi | Potosi | MO | NPL Site | 50.00 |
| Washington County Lead District - Richwoods | Richwoods | MO | NPL Site | 76.81 |
| Washington Navy Yard | Washington | DC | NPL Site | 48.57 |
| Waste Disposal Engineering | Andover | MN | Deleted NPL Site | 50.92 |
| Waste Disposal, Inc. | Santa Fe Springs | CA | NPL Site | 34.60 |
| Waste Management of Michigan (Holland Lagoons) | Holland | MI | Deleted NPL Site | 37.20 |
| Waste Management of Wisconsin, Inc. (Brookfield Sanitary Landfill) | Brookfield | WI | NPL Site | 28.90 |
| Waste Research & Reclamation Co. | Eau Claire | WI | Deleted NPL Site | 32.13 |
| Waste, Inc., Landfill | Michigan City | IN | Deleted NPL Site | 50.63 |
| Waterloo Coal Gasification Plant | Waterloo | IA | Proposed NPL Site | 50.00 |
| Watkins-Johnson Co. (Stewart Division Plant) | Scotts Valley | CA | NPL Site | 28.90 |
| Watson Johnson Landfill | Richland Township | PA | NPL Site | 70.71 |
| Wauconda Sand & Gravel | Wauconda | IL | NPL Site | 53.42 |
| Wausau Ground Water Contamination | Wausau | WI | NPL Site | 28.91 |
| Waverly Ground Water Contamination | Waverly | NE | Deleted NPL Site | 37.93 |
| Wayne Waste Oil | Columbia City | IN | NPL Site | 42.33 |
| Wedzeb Enterprises, Inc. | Lebanon | IN | Deleted NPL Site | 31.27 |
| Weldon Spring Former Army Ordnance Works | St. Charles County | MO | NPL Site | 30.26 |
| Weldon Spring Quarry/Plant/Pits (USDOE/Army) | St. Charles County | MO | NPL Site | 58.60 |
| Wells G&H | Woburn | MA | NPL Site | 42.71 |
| Welsbach & General Gas Mantle (Camden Radiation) | Camden, Gloucester City | NJ | NPL Site | 41.46 |
| West County Road 112 Ground Water | Midland | TX | NPL Site | 50.00 |
| West Highway 6 & Highway 281 | Hastings | NE | NPL Site | 50.00 |
| West Kingston Town Dump/URI Disposal Area | South Kingstown | RI | NPL Site | 50.00 |
| West Site/Hows Corners | Plymouth | ME | NPL Site | 50.00 |
| West Troy Contaminated Aquifer | Troy | OH | NPL Site | 50.00 |
| West Virginia Ordnance (USARMY) | Point Pleasant | WV | NPL Site | 0.00 |
| Western Pacific Railroad Co. | Oroville | CA | Deleted NPL Site | 39.79 |
| Western Processing Co., Inc. | Kent | WA | NPL Site | 58.63 |
| Western Sand & Gravel | Burrillville | RI | NPL Site | 51.35 |
| Westinghouse Electric Corp. (Sharon Plant) | Sharon | PA | NPL Site | 41.33 |
| Westinghouse Electric Corp. (Sunnyvale Plant) | Sunnyvale | CA | NPL Site | 39.93 |
| Westinghouse Elevator Co. Plant | Cumberland Township | PA | NPL Site | 36.37 |
| Westlake Landfill | Bridgeton | MO | NPL Site | 29.85 |
| Westline Site | Westline | PA | Deleted NPL Site | 31.71 |
| Westside Lead | Atlanta | GA | NPL Site | 50.00 |
| Wheeler Pit | La Prairie Township | WI | Deleted NPL Site | 57.80 |
| Wheeling Disposal Service Co., Inc., Landfill | Amazonia | MO | Deleted NPL Site | 48.58 |
| White Chemical Corp. | Newark | NJ | NPL Site | 0.00 |
| White Farm Equipment Co. Dump | Charles City | IA | Deleted NPL Site | 43.40 |
| White Swan Cleaners/Sun Cleaners Area Ground Water Contamination | Wall Township | NJ | NPL Site | 41.63 |
| Whiteford Sales & Service Inc./Nationalease | South Bend | IN | Deleted NPL Site | 51.87 |
| Whitehall Municipal Wells | Whitehall | MI | Deleted NPL Site | 35.45 |
| Whitehouse Oil Pits | Whitehouse | FL | Deleted NPL Site | 52.58 |
| Whitewood Creek | Whitewood | SD | Deleted NPL Site | 0.00 |
| Whiting Field Naval Air Station | Milton | FL | NPL Site | 50.00 |
| Whitmoyer Laboratories | Jackson Township | PA | NPL Site | 46.25 |
| Whittaker Corp. | Minneapolis | MN | Deleted NPL Site | 40.03 |
| Wide Beach Development | Brant | NY | Deleted NPL Site | 56.58 |
| Wilcox Oil Company | Creek County | OK | NPL Site | 50.00 |
| Wildcat Landfill | Dover | DE | Deleted NPL Site | 30.61 |
| William Dick Lagoons | West Caln Township | PA | NPL Site | 36.64 |
| Williams Air Force Base | Chandler | AZ | NPL Site | 37.93 |
| Williams Pipe Line Co. Disposal Pit | Sioux Falls | SD | Deleted NPL Site | 42.24 |
| Williams Property | Swainton | NJ | NPL Site | 40.45 |
| Willow Grove Naval Air and Air Reserve Station | Willow Grove | PA | NPL Site | 50.00 |
| Wilson Concepts of Florida, Inc. | Pompano Beach | FL | Deleted NPL Site | 37.93 |
| Wilson Farm | Plumstead Township | NJ | Deleted NPL Site | 33.93 |
| Windom Dump | Windom | MN | Deleted NPL Site | 38.17 |
| Wingate Road Municipal Incinerator Dump | Fort Lauderdale | FL | NPL Site | 31.72 |
| Winthrop Landfill | Winthrop | ME | NPL Site | 35.62 |
| Witco Chemical Corp. (Oakland Plant) | Oakland | NJ | Deleted NPL Site | 30.63 |
| Wolff-Alport Chemical Company | Ridgewood | NY | NPL Site | 50.00 |
| Woodbrook Road Dump | South Plainfield | NJ | NPL Site | 50.00 |
| Woodbury Chemical Co. | Commerce City | CO | Deleted NPL Site | 44.87 |
| Woodbury Chemical Co. (Princeton Plant) | Princeton | FL | Deleted NPL Site | 39.43 |
| Woodland Route 532 Dump | Woodland Township | NJ | NPL Site | 34.98 |
| Woodland Route 72 Dump | Woodland Township | NJ | NPL Site | 31.17 |
| Woodlawn County Landfill | Woodlawn | MD | NPL Site | 48.13 |
| Woodstock Municipal Landfill | Woodstock | IL | NPL Site | 50.10 |
| Woolfolk Chemical Works, Inc. | Fort Valley | GA | NPL Site | 42.24 |
| Wright Chemical Corporation | Riegelwood | NC | NPL Site | 48.03 |
| Wright Ground Water Contamination | Wright | KS | NPL Site | 50.00 |
| Wright-Patterson Air Force Base | Dayton | OH | NPL Site | 57.85 |
| Wrigley Charcoal Plant | Wrigley | TN | NPL Site | 36.14 |
| Wurtsmith Air Force Base | Iosco County | MI | Proposed NPL Site | 50.00 |
| Wyckoff Co./Eagle Harbor | Bainbridge Island | WA | NPL Site | 32.55 |
| Yakima Plating Co. | Yakima | WA | Deleted NPL Site | 37.93 |
| Yaworski Waste Lagoon | Canterbury | CT | NPL Site | 36.72 |
| Yellow Water Road Dump | Baldwin | FL | Deleted NPL Site | 30.26 |
| Yeoman Creek Landfill | Waukegan | IL | NPL Site | 33.23 |
| York County Solid Waste and Refuse Authority Landfill | Hopewell Township | PA | Deleted NPL Site | 44.26 |
| York Oil Co. | Moira | NY | NPL Site | 47.70 |
| Yuma Marine Corps Air Station | Yuma | AZ | NPL Site | 32.24 |
| Zanesville Well Field | Zanesville | OH | NPL Site | 35.59 |
| Zellwood Ground Water Contamination | Zellwood | FL | NPL Site | 51.91 |
| Zschiegner Refining | Howell Township | NJ | NPL Site | 50.00 |