| Agilent Techs. Inc. Little Falls Site | 1 | 1 | 1,422.00 |
| Agilent Techs. Inc. Newport Site | 1 | 1 | 854.00 |
| Air Liquide America L P | 5 | 22 | 28,700.00 |
| Air Liquide Medal Lp | 45 | 67 | 2,046.30 |
| Alfred I Dupont Hospital For Children | 86 | 386 | 255,064.13 |
| Allen Family Foods Inc | 79 | 159 | 113,203.89 |
| Allen'S Hatchery Inc Allen'S Milling | 82 | 262 | 138,586.04 |
| American Minerals Inc | 10 | 26 | 37,629.83 |
| Ametek Inc Chemical Products Division | 83 | 269 | 11,383.29 |
| Amtrak Wilmington Maintenance Facility | 51 | 174 | 14,749.68 |
| Arlon Inc. | 1 | 2 | 1,500.00 |
| Astrazeneca Pharmaceuticals Lp-Fairfax | 55 | 650 | 62,632.67 |
| Astropower Inc. Solar Park | 1 | 2 | 255.00 |
| Avecia Inc. | 5 | 8 | 1,560.00 |
| Bayhealth Med Center Kent General Hosp | 56 | 389 | 8,747.65 |
| Bayhealth Medical Ctr - Milford Memorial | 54 | 176 | 31,336.23 |
| Birdseye Foods | 1 | 1 | 0.00 |
| Burris Logistics - Harrington | 1 | 1 | 8,000.00 |
| Burris Logistics - New Castle | 1 | 1 | 0.00 |
| Camdel Metals Corporation | 2 | 8 | 25,875.00 |
| Cannon Cold Storage | 1 | 1 | 0.00 |
| Christiana Care - Christiana Hospital | 82 | 479 | 308,626.14 |
| Christiana Care - Wilmington Hospital | 56 | 297 | 34,432.45 |
| Christiana Materials | 41 | 59 | 65,198.65 |
| Chrome Deposit Corporation | 1 | 2 | 0.08 |
| Ciba Specialty Chemicals Corp | 55 | 395 | 175,618.98 |
| Citisteel Usa | 58 | 128 | 1,861,974.38 |
| City Of Dover - Mckee Run Generating Sta | 79 | 436 | 2,499,687.74 |
| City Of Dover Van Sant Generating Sta | 49 | 98 | 49,334.17 |
| City Of Lewes Power Plant | 32 | 64 | 7,182.58 |
| City Of Seaford-Electric Power Plant | 39 | 234 | 269,324.93 |
| Clean Earth Of New Castle | 9 | 19 | 86,787.20 |
| Conectiv Delmarva Generation-Christiana | 37 | 74 | 76,706.23 |
| Conectiv Delmarva Generation-Del City | 37 | 37 | 26,855.83 |
| Conectiv Delmarva Generation-Edge Moor | 122 | 655 | 32,640,833.58 |
| Conectiv Delmarva Generation-Hay Road | 41 | 188 | 1,092,614.02 |
| Conectiv Delmarva Generation-Madison St | 37 | 37 | 2,810.70 |
| Conectiv Delmarva Generation-West_subst | 37 | 37 | 24,926.03 |
| Contractors Materials Llc Hot Mix Plt | 9 | 13 | 60,883.33 |
| Daimlerchrysler Corporation | 98 | 922 | 1,803,286.41 |
| Dassault Falcon Jet-Wilmington Corp | 53 | 80 | 27,830.66 |
| De Solid Waste Authority Cherry Island | 37 | 41 | 46,431.14 |
| De Solid Waste Authority Pigeon Point | 29 | 32 | 139,715.06 |
| De Solid Waste Authority Sandtown | 25 | 28 | 616,477.84 |
| De Solid Waste Authority Southern | 29 | 32 | 861,284.28 |
| Delaware Central #1 Landfill | 28 | 28 | 6,731.06 |
| Delaware City Plant | 42 | 43 | 3,428,008.91 |
| Delaware Correctional Center - Smyrna | 51 | 383 | 40,066.36 |
| Delaware Recyclable Products Inc | 38 | 48 | 23,763.65 |
| Delaware Refrigerated Services | 1 | 1 | 0.00 |
| Delaware State University | 49 | 354 | 18,567.76 |
| Delaware Terminal Company | 47 | 273 | 26,574.79 |
| Dentsply Caulk West Plant | 2 | 2 | 500.00 |
| Dentsply Caulk-Lakeview | 1 | 1 | 165.00 |
| Diamond Materials Llc | 9 | 30 | 102,616.98 |
| Dover Air Force Base | 100 | 1044 | 277,423.82 |
| Dow Reichhold Specialty Latex Llc | 87 | 345 | 121,817.69 |
| Dupont Chestnut Run | 86 | 208 | 455,958.12 |
| Dupont Edgemoor | 92 | 399 | 6,392,793.54 |
| Dupont Experimental Station | 95 | 439 | 1,765,629.89 |
| Dupont Stine - Haskell Laboratory | 86 | 655 | 378,853.70 |
| Dupont Wilmington Office Building | 79 | 395 | 158,899.71 |
| E-A-R Specialty Composites S B U Aearo | 9 | 36 | 18,680.27 |
| Edgemoor Materials Inc | 13 | 25 | 46,127.29 |
| Edward J. Kaye Construction | 39 | 48 | 91,604.12 |
| Fmc Biopolymer | 43 | 398 | 47,520.67 |
| Formosa Plastics Corporation | 54 | 223 | 599,825.38 |
| Fp International Inc | 43 | 52 | 56,714.82 |
| Gac Seaford Inc. | 1 | 2 | 1.18 |
| Ge Energy (Usa) Llc | 5 | 15 | 28,765.80 |
| General Chemical Corporation | 84 | 505 | 955,032.93 |
| General Motors Corporation | 100 | 829 | 1,268,645.16 |
| Green Tree Chemical Techs. Inc. - Aerosols Div. | 2 | 2 | 111.00 |
| Hanover Foods Corporation | 82 | 131 | 65,382.48 |
| Hardcore Composites | 1 | 1 | 463.00 |
| Harris Manufacturing Co Inc | 3 | 6 | 19,724.00 |
| Hercules Incorporated Research Center | 82 | 444 | 252,250.65 |
| Hirsh Industries | 12 | 70 | 69,597.42 |
| Honeywell International Inc | 10 | 33 | 187,582.54 |
| Ilc Dover Inc. | 7 | 8 | 18,440.00 |
| Indian River Generating Station | 96 | 491 | 57,614,726.18 |
| Industraplate Corp | 1 | 1 | 0.01 |
| Inland Paperboard And Packaging | 51 | 144 | 35,320.56 |
| Insteel Wire Prods. | 1 | 1 | 0.00 |
| International Petroleum Corp Of Delaware | 59 | 281 | 31,905.42 |
| Interstate Construction Of Delmarva Inc | 9 | 14 | 102,218.62 |
| Invista | 106 | 1066 | 10,961,571.20 |
| J G Townsend | 1 | 1 | 0.00 |
| Johnson Controls Battery Group Inc | 6 | 166 | 894.42 |
| Johnson Polymer Inc | 53 | 169 | 67,604.72 |
| Justin Tanks Llc | 48 | 52 | 67,202.59 |
| Kaneka Delaware Corporation | 11 | 63 | 249,646.00 |
| Kraft Foods North America | 80 | 290 | 21,823.44 |
| Kuehne Chemical Co. Delaware City Plant | 1 | 1 | 5.00 |
| Lafarge North America Inc | 49 | 834 | 255,182.39 |
| Laidlaw Corporation | 4 | 17 | 33,276.72 |
| Lehigh Valley Dairy | 1 | 1 | 1,870.00 |
| Lewes Dairy Inc | 1 | 1 | 2,168.00 |
| Macdermid Inc | 17 | 52 | 31,396.14 |
| Marble Works Inc. | 1 | 1 | 2,371.00 |
| Maritrans | 7 | 7 | 4,026,400.01 |
| Metachem Products Llc | 10 | 460 | 384,927.61 |
| Metal Masters Food Service Equipment Co. | 3 | 4 | 20.00 |
| Mil-Del Corporation | 2 | 2 | 6,110.00 |
| Motiva Enterprises Llc - Delaware City | 109 | 4946 | 95,121,841.60 |
| Motiva Enterprises Marketing Term | 12 | 70 | 65,943.00 |
| Mountaire Farms Of Delaware Inc-Millsbor | 82 | 322 | 484,417.55 |
| Mountaire Farms Of Delmarva - Selbyville | 79 | 99 | 229,232.90 |
| Mountaire Farms Of Delmarva Frankford | 79 | 116 | 180,685.55 |
| Multi-Tech Inc | 3 | 26 | 47,520.00 |
| Noramco Inc | 53 | 205 | 21,489.76 |
| Nrg Energy Center Dover Llc | 81 | 176 | 5,409,966.74 |
| Nvf Company Inc - Yorklyn Facility | 82 | 245 | 68,631.20 |
| Occidental Chemical Corporation | 56 | 515 | 160,524.93 |
| Orient Corp. Of America | 2 | 4 | 2,822.00 |
| Pepsi Cola Bottling Company | 1 | 1 | 0.00 |
| Perdue Farms - Bridgeville | 80 | 147 | 122,125.84 |
| Perdue Farms Inc - Georgetown | 81 | 199 | 314,003.52 |
| Perdue Farms Inc - Milford | 78 | 157 | 113,445.11 |
| Perdue-Agrirecycle Llc | 6 | 22 | 67,286.73 |
| Pinnacle Foods Corporation - Vlasic Plnt | 83 | 207 | 101,725.64 |
| Playtex Prods. Inc. | 1 | 1 | 4.00 |
| Ppg Architectural Finishes Dover | 2 | 3 | 44.00 |
| Printpack Inc | 46 | 111 | 244,908.31 |
| Procino Plating Inc | 1 | 2 | 5.80 |
| Proctor And Gamble Dover Wipes Company | 84 | 450 | 208,025.48 |
| Ptfe Compounds Inc | 3 | 3 | 32,990.00 |
| Pure Green Industries Inc | 39 | 51 | 11,695.17 |
| Quality Kitchen Corp | 1 | 1 | 2,100.00 |
| Rodel Technical Center | 0 | 0 | 0.00 |
| Rohm & Haas Electronic Materials Cmp Te | 58 | 445 | 100,170.80 |
| Sea Watch International Ltd | 85 | 295 | 59,908.98 |
| Seaford Ice Inc | 1 | 1 | 0.00 |
| Southern Solid Waste Management Center | 28 | 28 | 4,744.95 |
| Spatz Fiberglass Prods. Inc. | 1 | 1 | 4,473.53 |
| Spi Polyols Inc | 83 | 535 | 1,449,060.15 |
| St. Francis Hospital | 84 | 506 | 15,466.54 |
| Standard Technologies & Machine Co Inc | 1 | 1 | 1.36 |
| Sunco Inc R M | 91 | 1177 | 3,629,131.14 |
| The Crowell Corporation | 49 | 124 | 18,162.36 |
| The Pond Ice Arena | 1 | 1 | 0.00 |
| Tilcon Delaware - Bay Road | 41 | 68 | 119,669.25 |
| Tilcon Delaware - Georgetown | 11 | 11 | 104,888.40 |
| Tilcon Delaware - Horsepond Road | 9 | 32 | 115,715.66 |
| Tilcon Delaware - Terminal Avenue | 10 | 22 | 89,340.72 |
| Trappe Packing Corporation | 1 | 1 | 0.00 |
| Uniqema | 60 | 324 | 60,057.24 |
| Unisource Worldwide Inc | 6 | 13 | 32,890.00 |
| United States Cold Storage | 1 | 1 | 6,138.00 |
| University Of Delaware Newark | 53 | 778 | 118,909.75 |
| Veterans Administration Hospital | 57 | 167 | 16,005.94 |
| Vp Racing Fuels | 1 | 1 | 4.00 |
| Vpi Film Llc | 11 | 26 | 52,527.56 |
| W. L. Gore & Associates Inc. Otts Chapel Site | 1 | 1 | 0.34 |
| Warren F Beasley Power Station | 49 | 96 | 29,893.08 |
| Westvaco Corporation | 57 | 94 | 24,374.33 |
| Wilmington Piece Dye Co | 50 | 57 | 54,792.57 |
| Wilmington Wastewater Treatment Plant | 54 | 71 | 13,827.78 |