| Total requests for Mar 2012: 120 |
| Unique requests | Total requests | Query | Documents returned |
| 2 | 3 | pennsylvania | 1,128 |
| 1 | 5 | water quality monitoring | 35,816 |
| 1 | 4 | arlington county | 1,045 |
| 1 | 4 | Lynnhaven | 23,126 |
| 1 | 3 | water contamination in Spencer WV | 35,667 |
| 1 | 3 | marcellus | 30,472 |
| 1 | 3 | flushing | 109 |
| 1 | 3 | Weber River | 59,934 |
| 1 | 2 | trash | 1,010 |
| 1 | 2 | new york agriculture | 43,419 |
| 1 | 2 | natural gas monitoring | 43,805 |
| 1 | 2 | iron mine | 39,583 |
| 1 | 2 | fairfax | 46,558 |
| 1 | 2 | december 29 2009 letter | 47,603 |
| 1 | 2 | Lower Chehalis | 0 |
| 1 | 2 | Lower Chehalis Watershed | 0 |
| 1 | 2 | Land use | 48,310 |
| 1 | 2 | BON AQUA TN | 0 |
| 1 | 2 | 38355 | 44,249 |
| 1 | 2 | 303d list | 727 |
| 1 | 2 | 2011 Annual Report | 48,391 |
| 1 | 2 | 19975 | 0 |
| 1 | 1 | wissahickon creek | 6 |
| 1 | 1 | wip | 2 |
| 1 | 1 | wicomico county md | 7 |
| 1 | 1 | watershed monitoring | 1,100 |
| 1 | 1 | watershed implementation plan | 656 |
| 1 | 1 | water quality standards | 1,000 |
| 1 | 1 | water quality standards the clean water act | 3 |
| 1 | 1 | waste water disposal wells in western pa | 13 |
| 1 | 1 | wa | 184 |
| 1 | 1 | tygart river watershed | 3 |
| 1 | 1 | storet | 77 |
| 1 | 1 | storage of old paint lubes | 467 |
| 1 | 1 | septic certificate | 4 |
| 1 | 1 | sample plan | 1,050 |
| 1 | 1 | problems associated with erosion | 284 |
| 1 | 1 | pickens sc | 0 |
| 1 | 1 | permits issued in north dakota | 0 |
| 1 | 1 | orange county virginia | 9 |
| 1 | 1 | north dakota | 2 |
| 1 | 1 | natural gas | 294 |
| 1 | 1 | natural gas drilling | 57 |
| 1 | 1 | metal bank superfund site | 4 |
| 1 | 1 | manor township | 65 |
| 1 | 1 | lynnhave | 0 |
| 1 | 1 | lexington parl MD | 0 |
| 1 | 1 | lexington park MD | 4 |
| 1 | 1 | lead toxicity paint chips | 1,020 |
| 1 | 1 | jt 7h8uikl 7jmv56gr ' | 0 |
| 1 | 1 | frackin | 0 |
| 1 | 1 | flushing guidelines | 38 |
| 1 | 1 | epa 833r04002a | 0 |
| 1 | 1 | epa 2012 workshop CGP | 2 |
| 1 | 1 | dust | 32 |
| 1 | 1 | construction general permit | 514 |
| 1 | 1 | coal | 568 |
| 1 | 1 | class iii groundwater | 265 |
| 1 | 1 | christina tmdls | 8 |
| 1 | 1 | chester | 8 |
| 1 | 1 | central virginia | 142 |
| 1 | 1 | central virginia james river | 67 |
| 1 | 1 | buckingham virginia | 6 |
| 1 | 1 | Upper Hanover Municipal Authority | 58 |
| 1 | 1 | Spencer WV | 2 |
| 1 | 1 | PAS2d215BWAR | 1 |
| 1 | 1 | NRCS WQ initiative | 75 |
| 1 | 1 | NEW JERSEY | 142 |
| 1 | 1 | Marlay Taylor lexington park MD | 1 |
| 1 | 1 | Lower Weber River | 2 |
| 1 | 1 | Llewlyn Jamison 9 | 0 |
| 1 | 1 | Coal River | 353 |
| 1 | 1 | Chesapeake TMDL | 113 |
| 1 | 1 | Camp Darby Italy | 0 |
| 1 | 1 | CSO diagram | 6 |
| 1 | 1 | Brine injection | 3 |
| 1 | 1 | Blue Plains fact Sheet | 13 |
| 1 | 1 | Bell Township | 9 |
| 1 | 1 | BMP efficiency | 8 |
| 1 | 1 | 403d | 0 |
| 1 | 1 | 303 d map | 83,900 |
| 1 | 1 | 24586 | 0 |
| 1 | 1 | 2011 Instructions | 156 |
| 1 | 1 | 19957 | 2 |
| 1 | 1 | 1970-1980 | 4 |
| 1 | 1 | 18812 | 0 |
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