| Total requests for Feb 2012: 860 |
| Unique requests | Total requests | Query | Documents returned |
| 18 | 26 | hydraulic fracturing | 101,173 |
| 4 | 5 | light bulbs | 64,610 |
| 4 | 4 | natural gas | 94,375 |
| 3 | 3 | superfund | 93,566 |
| 3 | 3 | fracking | 116,333 |
| 3 | 3 | brownfields | 90,033 |
| 2 | 7 | hydrolic fracturing | 71,859 |
| 2 | 6 | natural gas extraction | 108,766 |
| 2 | 4 | first quarterly update EPA study hydraulic fracturing | 85,366 |
| 2 | 4 | energy star | 109,250 |
| 2 | 4 | EPA Climate Change Adaptation Plan | 106,825 |
| 2 | 3 | pavillion wyoming | 107,033 |
| 2 | 3 | batteries | 38,009 |
| 2 | 2 | press release | 115,000 |
| 2 | 2 | love canal | 82,050 |
| 2 | 2 | hydraulic fracturing study plan | 113,500 |
| 2 | 2 | fluorescent tubes | 116,500 |
| 2 | 2 | fluorescent bulbs recycling | 111,500 |
| 2 | 2 | cfl bulbs | 110,500 |
| 2 | 2 | brownfields properties | 77,950 |
| 2 | 2 | battery disposal | 110,500 |
| 2 | 2 | Tier II Reporting | 112,500 |
| 2 | 2 | Region 3 | 124,000 |
| 2 | 2 | Fuel Economy | 77,400 |
| 2 | 2 | EPA Climate Change Action Plan | 110,000 |
| 2 | 2 | Dimock | 118,000 |
| 2 | 2 | Dimock PA water study | 109,000 |
| 2 | 2 | CI 77266 | 116,000 |
| 2 | 2 | 84105 | 79,900 |
| 1 | 11 | PHEV | 100,418 |
| 1 | 8 | computer monitors | 121,250 |
| 1 | 7 | pelletizing NOx | 105,985 |
| 1 | 6 | tribal | 95,848 |
| 1 | 6 | how is air pollution studied | 76,682 |
| 1 | 6 | Clean Water Act | 52,266 |
| 1 | 5 | ααα--Trifluoromethylphenol | 106,000 |
| 1 | 5 | GIS data | 88,381 |
| 1 | 5 | EPISUIT | 57,920 |
| 1 | 5 | Cryptosporidium | 121,400 |
| 1 | 5 | CFL operate in DC current | 120,000 |
| 1 | 4 | water for hydraulic fracturing | 83,425 |
| 1 | 4 | sulfuric acid SO3 plume | 87,752 |
| 1 | 4 | safe disposal of compact fluorescent light bulb | 97,050 |
| 1 | 4 | percent recycle cfl | 61,742 |
| 1 | 4 | get serious pet urine extractor | 109,700 |
| 1 | 4 | Webinar ID: 548-825-784 | 104,325 |
| 1 | 4 | Ground water contamination Pavillion Wyoming | 108,500 |
| 1 | 4 | 2966 Scotland Memphis Tennessee 38128 | 27,470 |
| 1 | 3 | water pharmaceuticals | 42,800 |
| 1 | 3 | vinyl fluroide | 43,499 |
| 1 | 3 | utility CONVMET.EXE | 60,399 |
| 1 | 3 | turbulent model | 125,000 |
| 1 | 3 | sulfuric acid SO3 | 111,666 |
| 1 | 3 | safe drinking water act | 80,333 |
| 1 | 3 | pinedale wy | 97,066 |
| 1 | 3 | pelletizing | 112,300 |
| 1 | 3 | national ambient air quality standards | 69,336 |
| 1 | 3 | hydraulic fracturing careers | 86,066 |
| 1 | 3 | hydraulic fracturing Pavillion | 107,633 |
| 1 | 3 | fuel mileage | 97,933 |
| 1 | 3 | fracking Wyoming December 2011 | 72,466 |
| 1 | 3 | emission standard in aluminium smelting process | 63,366 |
| 1 | 3 | dissolved gases in water | 62,174 |
| 1 | 3 | diesel fuels hydraulic fracturing | 96,866 |
| 1 | 3 | comment | 99,866 |
| 1 | 3 | cis-Propiconazole | 64,300 |
| 1 | 3 | calendar | 59,926 |
| 1 | 3 | Walters Coke soil cleanup plan | 77,200 |
| 1 | 3 | Selfridge Rd Malibu CA 90265 | 122,000 |
| 1 | 3 | LEAF I | 72,667 |
| 1 | 3 | 164462-16-2 | 46,600 |
| 1 | 2 | xxx | 94,250 |
| 1 | 2 | xls download fuel | 106,000 |
| 1 | 2 | william | 43,952 |
| 1 | 2 | william johnson | 109,000 |
| 1 | 2 | water extraction | 118,500 |
| 1 | 2 | trifluoro- m-toluic acid | 123,000 |
| 1 | 2 | tri-me website | 116,000 |
| 1 | 2 | test weight | 76,550 |
| 1 | 2 | stream headwaters | 105,000 |
| 1 | 2 | specifications lumens standard variation | 71,650 |
| 1 | 2 | shale oil fracting | 100,700 |
| 1 | 2 | shale gas | 73,150 |
| 1 | 2 | risk assessment | 111,000 |
| 1 | 2 | regulation gas drilling to home structures | 57,999 |
| 1 | 2 | rcra facilities | 103,150 |
| 1 | 2 | polyvinylbutyral | 109,500 |
| 1 | 2 | photos | 49,400 |
| 1 | 2 | pavillon WA | 83,100 |
| 1 | 2 | p-cymene | 107,750 |
| 1 | 2 | ozone depleting substances | 105,000 |
| 1 | 2 | open government FRS | 115,000 |
| 1 | 2 | olaquindox | 69,350 |
| 1 | 2 | october 20 2011: | 113,000 |
| 1 | 2 | l4 | 112,000 |
| 1 | 2 | hydrolic fracturing myths | 116,000 |
| 1 | 2 | hydraulic fracturing health issues | 112,000 |
| 1 | 2 | hydraulic fracturin | 109,300 |
| 1 | 2 | how to print fuel economy labels | 93,800 |
| 1 | 2 | fracking chemicals that effect fish | 56,591 |
| 1 | 2 | frack water ingredients | 115,500 |