| Total requests for Apr 2011: 172 |
| Unique requests | Total requests | Query | Documents returned |
| 5 | 10 | 40 CFR 60.380 | 64,920 |
| 5 | 7 | part 85 | 100,859 |
| 3 | 5 | cfr-40 part 86 | 64,399 |
| 2 | 9 | Title 40 Part 5 | 90,658 |
| 2 | 3 | open meeting | 3 |
| 2 | 3 | california open meeting statute | 3 |
| 2 | 2 | ca open meeting statute | 4 |
| 2 | 2 | 9 exceptions | 3 |
| 1 | 6 | CFR Title 40 | 235,333 |
| 1 | 5 | ctd982198863 | 0 |
| 1 | 4 | IND005469739 | 25,749 |
| 1 | 3 | resources for freedom | 125,670 |
| 1 | 3 | prepaid fees | 232,667 |
| 1 | 3 | drinking water testing remediation | 126,666 |
| 1 | 3 | auditing | 1,134 |
| 1 | 3 | R9 | 123,034 |
| 1 | 3 | Guevara Rodriguez Pedro Julio | 115,299 |
| 1 | 2 | water testing remediation | 161,500 |
| 1 | 2 | sunshine Law California Open meeting statute | 181,999 |
| 1 | 2 | resource conservation recovery act | 2 |
| 1 | 2 | prepayment requests for FOIA | 182,001 |
| 1 | 2 | inter-government | 165,999 |
| 1 | 2 | inter-agency | 166,002 |
| 1 | 2 | MRID 438879 | 28,549 |
| 1 | 2 | CO2 storage tanks | 185,999 |
| 1 | 2 | 33 | 48,352 |
| 1 | 2 | 1068 | 43,901 |
| 1 | 1 | uranium | 2 |
| 1 | 1 | universities | 2 |
| 1 | 1 | underground storage tanks type replacement deadline | 0 |
| 1 | 1 | statute | 3,520 |
| 1 | 1 | solid waste management | 2 |
| 1 | 1 | solid hazardious waste managment | 0 |
| 1 | 1 | smith's farm | 1 |
| 1 | 1 | sip | 28,200 |
| 1 | 1 | sierra club | 2 |
| 1 | 1 | sf425 federal financial report far | 0 |
| 1 | 1 | section 302 | 76,000 |
| 1 | 1 | robert w. elias | 0 |
| 1 | 1 | robert w. Elias epa | 0 |
| 1 | 1 | prepayment | 2 |
| 1 | 1 | prepayment requests for FIOA | 0 |
| 1 | 1 | pre payment | 2 |
| 1 | 1 | pipeline natural gas | 0 |
| 1 | 1 | payment owed | 1 |
| 1 | 1 | page 464 | 1 |
| 1 | 1 | osha | 0 |
| 1 | 1 | open meeting statute | 4 |
| 1 | 1 | nine exemptions | 6 |
| 1 | 1 | neshap ff | 0 |
| 1 | 1 | nasa | 1 |
| 1 | 1 | monitoring networks | 3 |
| 1 | 1 | metaflumizone | 0 |
| 1 | 1 | list of methodas cfr | 0 |
| 1 | 1 | kennedy documents | 0 |
| 1 | 1 | iowa | 6 |
| 1 | 1 | intergovernment | 0 |
| 1 | 1 | inter-agency exchange of documents | 1 |
| 1 | 1 | inter-agency disclosure of documents | 3 |
| 1 | 1 | fuel | 4 |
| 1 | 1 | emission trade | 2 |
| 1 | 1 | emission permission | 0 |
| 1 | 1 | didecyldimethylammoniumchloride | 0 |
| 1 | 1 | contract administratiohn | 0 |
| 1 | 1 | cfr stationary source | 1 |
| 1 | 1 | bay of pigs | 0 |
| 1 | 1 | atp | 0 |
| 1 | 1 | arizona public service companyh | 0 |
| 1 | 1 | arizona public service company | 2 |
| 1 | 1 | androscoggin | 0 |
| 1 | 1 | air pollution | 18,700 |
| 1 | 1 | What impact have chlorofluorocarbons CFC emissions had on global warming | 105,000 |
| 1 | 1 | Used Oil Storage | 1 |
| 1 | 1 | Sunhine Law California Open meeting statute | 0 |
| 1 | 1 | Sodium xylene sulfonate | 37 |
| 1 | 1 | SXS | 0 |
| 1 | 1 | Radford Army Ammunition Plant | 0 |
| 1 | 1 | RAAP | 0 |
| 1 | 1 | Polyoxyethylene sorbitan monolaurate | 0 |
| 1 | 1 | PET bottles | 6 |
| 1 | 1 | OS:279.11 | 0 |
| 1 | 1 | ICIS-03-2008-7005 | 0 |
| 1 | 1 | HQ-FOI-00778-11 | 1 |
| 1 | 1 | FOIA | 9 |
| 1 | 1 | EPCRA | 0 |
| 1 | 1 | EPA600R-94038b | 0 |
| 1 | 1 | California | 254 |
| 1 | 1 | California Open meeting statute FOIA | 4 |
| 1 | 1 | CFR 40 SUBCHAPTER1 PARTS 239-259 | 0 |
| 1 | 1 | CERCLIS | 49 |
| 1 | 1 | CAS#124-38-9 | 0 |
| 1 | 1 | Assurity | 0 |
| 1 | 1 | 9 exceptions held from disclosure | 2 |
| 1 | 1 | 82 | 3 |
| 1 | 1 | 8015 | 60 |
| 1 | 1 | 63.7831 | 0 |
| 1 | 1 | 600R-94038b | 0 |
| 1 | 1 | 438879 | 0 |
| 1 | 1 | 33.302 | 0 |
| 1 | 1 | 18202 | 0 |
| 1 | 1 | 18201 | 0 |
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