Land Cleanup and Waste Management Reports

Improving waste management and cleanup.

Reports Sorted by Topic: Land Cleanup and Waste Management
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Report Title Date Agency Response IG Comment on Response
Independent Environmental Sampling Shows Some Properties Designated by EPA as Available for Use Had Some Contamination [Full Report PDF - 27pp, 898 KB] [At A Glance PDF - 140 KB] July 21, 2015    
Benefits of EPA Initiative to Promote Renewable Energy on Contaminated Lands Have Not Been Established
[Full Report PDF - 25pp, 919 KB] [At A Glance PDF - 138 KB]
July 16, 2015    
EPA Does Not Effectively Control or Monitor Imports of Hazardous Waste
[Full Report PDF - 33pp, 1,054 KB] [At A Glance PDF - 140 KB]
Podcast: Overview with Jim Kohler (MP3 - 3.6 MBs, 5:04), Podcast Transcript
July 6, 2015    
Some Safeguards in Place for Long-Term Care of Disposed Hazardous Waste, But Challenges Remain
[Full Report PDF - 29pp, 992 KB] [At A Glance PDF - 193 KB]
June 17, 2015    
EPA Should Update Guidance to Address the Release of Potentially Harmful Quantities of Asbestos That Can Occur Under EPA's Asbestos Demolition Standard
[Full Report PDF - 29pp, 1,205 KB] [At A Glance PDF - 333 KB]
Podcast: Overview with Michael Wilson (MP3 - 3.1 MBs, 4:29), Podcast Transcript
June 16, 2015    
Conditions in the U.S. Virgin Islands Warrant EPA Withdrawing Approval and Taking Over Management of Some Environmental Programs and Improving Oversight of Others
[Report PDF - 17pp, 1,170 KB] [At A Glance PDF - 422 KB]
Podcast: Report Overview with Katie Butler (MP3 - 2.8 MBs, 4:47), Podcast Transcript
April 17, 2015    
Costs of $1.2 Million for Brownfields Cooperative Agreement to Pioneer Valley Planning Commission in Massachusetts Questioned [Report PDF - 56pp, 2,114 KB] [At A Glance PDF - 139 KB] Feb 2, 2015    
No Significant Residual Contamination Found at Deleted Superfund Sites, But Security Fences Were Damaged at Some Sites, [Report PDF - 21pp, 976 KB] [At A Glance PDF - 140 KB] Nov 10, 2014    
EPA Needs to Improve Its Process for Accurately Designating Land as Clean and Protective for Reuse, [Report PDF - 30pp, 840 KB] [At A Glance PDF - 191 KB] Sept 29, 2014    
More Action Is Needed to Protect Water Resources From Unmonitored Hazardous Chemicals, [Report PDF - 31pp, 1,098 KB] [At A Glance PDF - 173 KB] Sept 29, 2014    
Hyperspectral Imaging Can Be a Useful Evaluation Tool for Office of Inspector General Reviews Focused on Contaminated Land, [Report PDF - 11pp, 820 KB] [At A Glance PDF - 74 KB] Sept 26, 2014    
EPA Has Made Progress in Assessing Historical Lead Smelter Sites But Needs to Strengthen Procedures [Report PDF - 32pp, 1,148 KB] [At a Glance PDF - 141 KB]
Podcast: Report Overview with Jill Trynosky (MP3 - 3.9 MBs, 5:37), Podcast Transcript
June 17, 2014    
New Jersey Department of Environmental Protection Needs to Meet Cooperative Agreement Objectives and Davis-Bacon Act Requirements to Fully Achieve Leaking Underground Storage Tank Goals [Report PDF - 57pp, 1,200 KB] [At a Glance PDF - 135 KB] June 4, 2014 PDF - 3pp, 931KB PDF - 1pp, 159 KB
Chemical Import Data May Help EPA Identify Facilities That Need to File or Update Risk Management Plans [Report PDF - 8pp, 629KB] [At a Glance PDF - 132KB] April 28, 2014    
Complaints Regarding Debris Management at the West, Texas, Fertilizer Plant Explosion Have Been Addressed [Report PDF - 24pp, 444KB] [At a Glance PDF - 44KB] February 24, 2014    
Internal Controls Needed to Control Costs of Emergency and Rapid Response Services Contracts, as Exemplified in Region 6 [Report PDF - 25pp, 255KB] [At a Glance PDF - 45KB] January 4, 2014 PDF - 2pp, 96KB PDF - 1pp, 122KB
Limited Oil Spill Funding Since the Enbridge Spill Has Delayed Abandoned Oil Well Cleanups; Emergency Oil Responses Not Impacted, Report No. 13-P-0370 [Report PDF - 21pp, 502KB] [At a Glance PDF - 40KB] September 4, 2013    
Improved Information Could Better Enable EPA to Manage Electronic Waste and Enforce Regulations, Report No. 13-P-0298 [Report PDF - 38pp, 388KB] [At a Glance PDF - 45KB] June 21, 2013    
Better Planning, Execution and Communication Could Have Reduced the Delays in Completing a Toxicity Assessment of the Libby, Montana, Superfund Site [Report PDF - 51pp, 391KB] [At a Glance PDF - 46KB] April 17, 2013 PDF - 36pp, 8,526KB PDF - 1pp, 175KB
Opportunities for EPA-Wide Improvements Identified During Review of a Regional Time and Materials Contract [Report PDF - 47pp, 611KB] [At a Glance PDF - 123KB] April 4, 2013 Deputy Admin Final Dispute Resolution Decision PDF - 10pp, 2,321KB Materials Relating to OIG and EPA Legal Arguments PDF - 36pp, 1,378KB

Memorandum Relating to Final Dispute Resolution Meeting PDF - 3pp, 803KB
EPA Should Increase Fixed-Price Contracting for Remedial Actions [Report PDF - 43pp, 370KB] [At a Glance PDF - 44KB] March 28, 2013    
Review of Hotline Complaint Regarding Residential Soil Contamination in Cherryvale, Kansas [Report PDF - 22pp, 289KB] [At a Glance PDF - 44KB] March 28, 2013 PDF - 2pp, 263KB PDF - 1pp, 140KB
Audit of American Recovery and Reinvestment Act-Funded Cooperative Agreement 2S-96099601 Awarded to the Idaho Department of Environmental Quality [Report PDF - 20pp, 365KB] [At a Glance PDF - 109KB] March 28, 2013 PDF - 5pp, 327KB PDF - 1pp, 214KB
Improvements Needed in EPA Training and Oversight for Risk Management Program Inspections [Report PDF - 37pp, 385KB] [At a Glance PDF - 45KB] March 21, 2013
Results and Benefits Information Is Needed to Support Impacts of EPA's Superfund Removal Program [Report PDF - 28pp, 378KB ] [At a Glance PDF - 44KB] March 11, 2013    
EPA Is Not Recovering All Its Costs of the Lead-Based Paint Fees Program [Report PDF - 31pp, 262KB ] [At a Glance PDF - 44KB] February 20, 2013    
EPA Could Improve Contingency Planning for Oil and Hazardous Substance Response, Report No. 13-P-0152, [Report PDF - 28pp, 601KB ] [At a Glance PDF - 44KB] February 15, 2013    
EPA Can Improve Its Reporting of Dollars Leveraged From the American Recovery and Reinvestment Act Brownfields Program, Report No. 12-R-0898, [Report PDF - 20pp, 245KB] [At a Glance PDF - 44KB] September 27, 2012    
Environmental Job Training Program Implemented Well, But Focus Needed on Possible Duplication With Other EPA Programs, [Report PDF - 15pp, 216KB ] [At a Glance PDF - 44KB] Sept 21, 2012    
American Recovery and Reinvestment Act Site Visit of the Diversion Ditch Repair Project at the Gilt Edge Mine Superfund Site, Lawrence County, South Dakota Report No. 12-R-0601, [PDF - 22pp, 409KB] [At a Glance PDF - 38KB] July 25, 2012 PDF - 4pp, 938KB PDF - 1pp, 165KB
Review of Hotline Complaint Concerning Cost and Benefit Estimates for EPA’s Lead-Based Paint Rule Report No. 12-P-0600, [PDF - 34pp, 260KB] [At a Glance PDF - 44KB] July 25, 2012 PDF - 580KB (Initial)
PDF - 246KB (Second)
PDF - 158KB
EPA Inaction in Identifying Hazardous Waste Pharmaceuticals May Result in Unsafe Disposal Report No. 12-P-0508, [PDF - 35pp, 287KB] [At a Glance PDF - 38KB] May 25, 2012 PDF - 432KB PDF - 170KB
EPA Has Implemented Corrective Actions to Improve Conditions at Asheville, North Carolina Superfund Site Report No. 12-P-0362, [PDF - 13pp, 437KB] [At a Glance PDF - 44KB] March 21, 2012 PDF 2pp, 403KB PDF 1pp, 164KB
EPA Superfund Contract Initiatives and Controls to Reduce Fraud, Waste, and Abuse, Report No. 12-P-0320, [Report PDF - 54pp, 306KB ] [At a Glance PDF - 43KB] March 16, 2012    
Controls Over State Underground Storage Tank Inspection Programs in EPA Regions Generally Effective Report No. 12-P-0289 [Report PDF - 16pp, 253KB] [At a Glance PDF - 58KB] February 15, 2012
EPA Needs to Further Improve How It Manages Its Oil Pollution Prevention Program, Report No. 12-P-0253 [Report PDF - 55pp, 722KB] [At a Glance PDF - 38KB] February 6, 2012
Stronger Management Controls Will Improve EPA Five-Year Reviews of Superfund Sites, Report No. 12-P-0251 [Report PDF - 31pp, 242KB] [At a Glance PDF - 43KB] February 6, 2012  
EPA Should Strengthen Records Management on Clean Water Act Section 404 Permit Notification Reviews for Surface Coal Mining, Report No. 12-P-0249 [Report PDF - 18pp, 251KB] [At a Glance PDF - 37KB] February 2, 2012 PDF 6pp, 1,183 KB PDF 2pp, 375 KB
Early Warning Report: Use of Unapproved Asbestos Demolition Methods May Threaten Public Health, Report No. 12-P-0125 [Report PDF - 4pp, 129 KB] December 14, 2011 PDF 1pp, 208KB (Initial)
PDF 8pp, 1,500KB (Second)
PDF 2pp, 345KB (Initial)
PDF 1pp, 155 KB (Second)
EPA Must Improve Oversight of State Enforcement, Report No. 12-P-0113 [Report PDF - 79pp, 582KB] [At a Glance PDF - 38KB] December 9, 2011
Reissued: 1/30/2012
Congressionally Requested Information on the Status and Length of Review for Appalachian Surface Mining Permit Applications, Report No. 12-P-0083 [Report PDF - 64pp, 660KB] [At a Glance PDF - 111KB] November 21, 2011    
EPA Progress on the 2007 Methamphetamine Remediation Research Act, Report No. 11-P-0708, [Report PDF - 28pp, 295KB ] [At a Glance PDF - 38KB] September 27, 2011 PDF 4pp, 735KB PDF 1pp, 171KB
EPA Should Clarify and Strengthen Its Waste Management Oversight Role With Respect to Oil Spills of National Significance, Report No. 11-P-0706, [Report PDF - 50pp, 1,040KB ] [At a Glance PDF - 38KB] September 26, 2011 PDF 9pp, 1.6MB PDF 2pp, 243KB
EPA Should Bill Superfund Oversight Costs More Timely, Report No. 11-P-0697, [Report PDF - 19pp, 139KB ] [At a Glance PDF - 38KB] September 22, 2011 PDF 3pp, 383 KB PDF 5pp, 763 KB
EPA's Gulf Coast Oil Spill Response Shows Need for Improved Documentation and Funding Practices, Report No. 11-P-0527, [Report PDF - 42pp, 221KB ] [At a Glance PDF - 34KB] August 25, 2011 PDF - 4pp, 506KB (Initial)
PDF 4pp, 505KB (Second)
PDF - 2pp, 343KB (Initial)
PDF 5pp, 645 KB (Second)
An Overall Strategy Can Improve Communication Efforts at Asbestos Superfund Site in Libby, Montana, Report No. 11-P-0430, [Report PDF - 32pp, 247KB ] [At a Glance PDF - 38KB] August 3, 2011 PDF 1pp, 133KB (Initial)
PDF 6pp, 548KB (Second)
PDF 1pp, 218 KB
Observed Conditions at Five Deleted Superfund Sites, Report No. 11-P-0433, [Report PDF - 24pp, 3,236KB ] [At a Glance PDF - 38KB] August 3, 2011    
American Recovery and Reinvestment Act Site Visit of the Tower Chemical Superfund Site, Clermont, Lake County, Florida, Report No. 11-R-0431, [Report PDF - 10pp, 196KB ] [At a Glance PDF - 35KB] August 3, 2011    
EPA Promoted the Use of Coal Ash Products With Incomplete Risk Information, Report No. 11-P-0173, [Report PDF - 32pp, 190KB ] [At a Glance PDF - 38KB] March 23, 2011 PDF - 2pp, 256KB (Initial)
PDF - 2pp, 399KB (Final)
PDF - 2pp, 239KB (Initial)
PDF - 4pp, 693KB (Final)
EPA Needs an Agency-Wide Plan to Provide Tribal Solid Waste Management Capacity Assistance, Report No. 11-P-0171, [Report PDF - 30pp, 224KB ] [At a Glance PDF - 38KB] March 21, 2011 PDF - 2pp, 540KB PDF - 4pp, 793KB
EPA Must Implement Controls to Ensure Proper Investigations Are Conducted at Brownfields Sites, Report No. 11-P-0107, [Report PDF - 25pp, 141KB ] [At a Glance PDF - 34KB] February 14, 2011 PDF - 16pp, 3,539KB PDF - 9pp, 1,843KB
EPA Could Improve RCRAInfo Data Quality and System Development , Report No. 11-P-0096, [Report PDF - 17pp, 137KB ] [At a Glance PDF - 33KB] February 7, 2011 PDF - 4pp, 734KB PDF - 1pp, 145KB
EPA Can Improve the Use of Financial Monitoring Reviews for Recovery Act Superfund Contracts, Report No. 11-R-0081, [Report PDF - 19pp, 140KB ] [At a Glance PDF - 40KB] January 31, 2011    
Vapor Intrusion Health Risks at Bannister Federal Complex Not a Concern for Buildings 50 and 52, Unknown for Other Buildings, Report No. 11-P-0048, [Report PDF - 22pp, 389KB ] [At a Glance PDF - 34KB] January 5, 2010 PDF - 3pp, 802KB PDF - 5pp, 771KB
EPA Should Improve Its Oversight of Long-Term Monitoring at Wheeling Disposal Superfund Site in Missouri, Report No. 11-P-0034, [Report PDF - 23pp, 269KB ] [At a Glance PDF - 38KB] December 20, 2010 PDF - 2pp, 518KB PDF - 2pp, 319KB
Leaking Underground Storage Tank Recovery Act Grants Contained Requirements but Priority Lists Need More Oversight, Report No. 11-R-0018, [Report PDF - 20pp, 139KB ] [At a Glance PDF - 37KB] November 23, 2010    
EPA’s Terms and Conditions as Well as Process to Award Recovery Act Interagency Agreements Need Improvement, Report No. 11-R-0016 [Report PDF - 35pp, 520KB] [At a Glance PDF - 34KB] November 16, 2010 PDF - 338KB PDF - 29KB
Website for Coal Combustion Products Partnership Conflicts with Agency Policies, Report No. 11-P-0002, [Report PDF - 16pp, 1214KB ] [At a Glance PDF - 36KB] October 13, 2010 PDF- 349KB PDF-234KB
EPA Should Improve Oversight of Long-Term Monitoring at PAB Oil and Chemical Services, Inc., Superfund Site in Louisiana, Report No. 10-P-0229, [Report PDF - 27pp, 314KB ] [At a Glance PDF - 38KB] September 21, 2010 PDF-2pp, 363KB PDF-2pp, 241KB
Independent Ground Water Sampling Generally Confirms EPA's Data at Wheeler Pit Superfund Site in Wisconsin, Report No. 10-P-0218, [Report PDF - 13pp, 1581KB ] [At a Glance PDF - 46KB] September 8, 2010    
EPA Should Improve Oversight of Long-term Monitoring at Bruin Lagoon Superfund Site in Pennsylvania, Report No. 10-P-0217 [Report PDF - 22pp, 254KB] [At a Glance PDF - 33KB] September 8, 2010 PDF-2pp, 61KB PDF-2pp, 304KB
EPA’s Office of Research and Development Performance Measures Need Improvement, Report No. 10-P-0176, [Report PDF - 47pp, 261KBB ] [At a Glance PDF - 42KB] August 4, 2010 PDF-2pp, 285KB PDF-4pp, 754KB
EPA Should Improve Its Oversight of Federal Agency Superfund Reviews, Report No. 10-P-0133 [Report PDF - 39pp, 213KB] [At a Glance PDF - 38KB] June 2, 2010    
EPA Activities Provide Limited Assurance of the Extent of Contamination and Risk at a North Carolina Hazardous Waste Site, Report No. 10-P-0130 [Report PDF - 45pp, 399KB] [At a Glance PDF - 46KB] May 17, 2010    
EPA Should Improve Its Contractor Performance Evaluation Process for Contractors Receiving Recovery Act Funds, Report No. 10-R-0113 [Report PDF - 22pp, 189KB] [At a Glance PDF - 41KB] April 26, 2010    
EPA's BioWatch Role Reduced, Report No. 10-P-0106 [Report PDF - 8pp, 176KB] [At a Glance PDF - 34KB] April 20, 2010    
Region 6 Needs to Improve Oversight Practices, Report No. 10-P-0100, [Report PDF - 28pp, 162KB ] [At a Glance PDF - 33KB] [Appendix B PDF - 31pp, 1.5MB] [Related Correspondence - PDF 10pp, 478KB] April 14, 2010    
EPA Should Continue Efforts to Reduce Federal Advances and Federal Special Accounts, Report No. 10-P-0093, [Report PDF - 15pp, 118KB ] [At a Glance PDF - 34KB] March 31, 2010    
EPA Can Improve Its Preparation and Use of Independent Government Cost Estimates for Superfund Contracts, Report No. 10-P-0065 [Report PDF - 25pp, 159KB] [At a Glance PDF - 40KB] February 16, 2010    
Changes in Conditions at Wildcat Landfill Superfund Site in Delaware Call for Increased EPA Oversight, Report No. 10-P-0055, [Report PDF - 36pp, 793KB ] [At a Glance PDF - 94KB] January 27 , 2010    
Lack of Final Guidance on Vapor Intrusion Impedes Efforts to Address Indoor Air Risks, Report No. 10-P-0042, [Report PDF - 23pp, 169KB ] [At a Glance PDF - 40KB] December 14 , 2009    
Congressionally Requested Inquiry into EPA's Response to a Report of a Leaking Well in North Carolina and the National Response Center Hotline , Report No. 10-P-0027, [Report PDF - 15pp, 124KB ] [At a Glance PDF - 40KB] November 10 , 2009    
Independent Sampling Generally Confirms EPA's Data at the Jones Sanitation Superfund Site in New York, Report No. 09-P-0243, [Report PDF - 17pp, 387KB ] [At a Glance PDF - 51KB] September 23, 2009    
EPA Has Improved Efforts to Reduce Unliquidated Obligations in Superfund Cooperative Agreements, But a Uniform Policy Is Needed, Report No. 09-P-0241, [Report PDF - 14pp, 150KB ] [At a Glance PDF - 47KB] September 22, 2009    
Regional Public Liaison Program Needs Greater Focus on Results and Customer Awareness, Report No. 09-P-0176, [Report PDF - 20pp, 172KB ] [At a Glance PDF - 40KB] June 24, 2009    
Contaminated Soil Waste Repository at East Mission Flats, Idaho, Report No. 09-P-0162 [Report PDF - 32pp, 437KB] [At a Glance PDF - 45KB] June 8, 2009    
EPA Needs to Improve Internal Controls to Increase Cost Recovery, Report No. 09-P-0144 [Report PDF - 34pp, 325KB] [At a Glance PDF - 48KB] April 27, 2009    
Results of Hotline Complaint Review for California Superfund Site, Report No. 09-P-0131 [Report PDF - 25pp, 284KB] [At a Glance PDF - 40KB] March 31, 2009    
Improved Management of Superfund Special Accounts Will Make More Funds Available for Clean-ups, Report No. 09-P-0119 [Report PDF - 61pp, 525KB] [At a Glance PDF - 48KB] March 18, 2009    
Results of Independent Groundwater Sampling at Neal's Dump Superfund Site, Report No. 09-P-0110 [Report PDF - 9pp, 284KB] [At a Glance PDF - 45KB] March 4, 2009    
EPA's Safety Determination for Delatte Metals Superfund Site Was Unsupported, Report No. 09-P-0029 [Report PDF - 60pp, 1.1MB] [At a Glance PDF - 56KB] November 19, 2008    
A Region 5 Penalty Reduction Was Unjustified and Undocumented, Report No. 08-P-0291 [Report PDF - 30pp, 243KB] [At a Glance PDF - 47KB] September 29, 2008    
EPA Has Initiated Strategic Planning for Priority Enforcement Areas, but Key Elements Still Needed, Report No. 08-P-0278 [Report PDF - 40pp, 403KB] [At a Glance PDF - 55KB] September 25, 2008    
EPA Should Continue Efforts to Reduce Unliquidated Obligations in Brownfields Pilot Grants, Report No. 08-P-0265 [Report PDF - 18pp, 311KB] [At a Glance PDF - 101KB] September 16, 2008    
Corrective Actions Were Generally Implemented at Stauffer Chemical Company Superfund Site, Tarpon Springs, Florida, Report No. 08-P-0264 [Report PDF - 17pp, 262KB] [At a Glance PDF - 99KB] September 16, 2008    
Follow-up on Audit of Undistributed Site Costs Finds Corrective Actions Not Complete, Report No. 08-P-0236 [Report PDF - 30pp, 448KB] [At a Glance PDF - 141KB] August 25, 2008    
EPA Decisions to Delete Superfund Sites Should Undergo Quality Assurance Review, Report No. 08-P-0235 [Report PDF - 59pp, 419KB] [At a Glance PDF - 47KB] August 20 , 2008    
Follow-up Review on Progress at Escambia Treating Company Superfund Site, Pensacola, Florida, Report No. 08-P-0200 [Report PDF - 18pp, 566KB] [At a Glance PDF - 264KB] July 14, 2008    
Making Better Use of Stringfellow Superfund Special Accounts, Report No. 08-P-0196 [Report PDF - 14pp, 547KB] [At a Glance PDF - 282KB] July 9, 2008    
Improved Controls Would Reduce Superfund Backlogs, Report No. 08-P-0169 [Report PDF - 40pp, 583KB] [At a Glance PDF - 213KB] June 2, 2008    
EPA Needs to Track Compliance with Superfund Cleanup Requirements, Report No. 08-P-0141 [Report PDF - 26pp, 531KB] [At a Glance PDF - 270KB] April 28, 2008    
EPA Can Recover More Federal Superfund Money, Report No. 08-P-0116 [Report PDF - 28pp, 256KB] [At a Glance PDF - 47KB] March 26, 2008    
Making Better Use of Superfund Special Accounts in Region 8, Report No. 08-P-0102 [Report PDF - 9pp, 120KB] [At a Glance PDF - 50KB] March 17, 2008    
Followup on Information Concerning Superfund Cooperative Agreements with New York and New Jersey, Report No. 08-2-0099 [Report PDF - 6pp, 404KB] [At a Glance PDF - 209KB] March 4, 2008    
EPA Should Continue to Improve Its National Emergency Response Planning, Report No. 08-P-0055 [Report PDF - 27pp, 303KB] [At a Glance PDF - 50KB] January 9, 2008    
Limited Investigation Led to Missed Contamination at Ringwood Superfund Site, Report No. 2007-P-00039 [Report PDF - 23pp, 429KB] [At a Glance PDF - 52KB] September 25, 2007    
Cheyenne River Sioux Tribe Outlays Reported Under Five EPA Assistance Agreements, Report No. 2007-4-00078 [Report PDF - 50pp, 703KB] [At a Glance PDF - 62KB] September 24, 2007    
Complete Assessment Needed to Ensure Rural Texas Community Has Safe Drinking Water Report No. 2007-P-00034 [Report PDF - 23pp, 498KB] [At a Glance PDF - 51KB] September 11, 2007    
Making Better Use of Superfund Special Account Funds for Thermo Chem, Report No. 2007-S-00002 [Report PDF - 6pp, 164KB] [At a Glance PDF - 104KB] August 20, 2007    
Superfund’s Board of Directors Needs to Evaluate Actions to Improve the Superfund Program, Report No. 2007-P-00029 [Report PDF - 19pp, 263KB] [At a Glance PDF - 115KB] August 1, 2007    
EPA Needs to Take More Action in Implementing Alternative Approaches to Superfund Cleanups, Report No. 2007-P-00026 [Report PDF - 45pp, 490KB] [At a Glance PDF - 82KB] June 6, 2007    
EPA Can Improve Its Managing of Superfund Interagency Agreements with U.S. Army Corps of Engineers, Report No. 2007-P-00021 [Report PDF - 34pp, 806KB] [At a Glance - 59KB] April 30, 2007    
Environmental Justice Concerns and Communication Problems Complicated Cleaning Up Ringwood Mines/Landfill Site, Report 2007-P-00016 [Report PDF - 32pp, 451KB] [At a Glance PDF - 60KB] April 2, 2007    
EPA Has Improved Five-Year Review Process for Superfund Remedies, But Further Steps Needed, Report No. 2007-P-00006 [Report PDF - 50pp, KB] [At a Glance PDF - KB] Dec. 5, 2006    
EPA Needs to Plan and Complete a Toxicity Assessment for the Libby Asbestos Cleanup, Report No. 2007-P-00002 [Report PDF - 12pp, 133KB] [At a Glance PDF - 62KB] Dec. 5, 2006    
EPA’s Management of Interim Status Permitting Needs Improvement to Ensure Continued Progress, Report No. 2007-P-00005 [Report PDF - 29pp, 494KB] [At a Glance PDF - 60KB] Dec. 4, 2006    
Lessons Learned: EPA’s Response to Hurricane Katrina, Report No. 2006-P-00033, [Report PDF - 29pp, 289KB] [At a Glance PDF - 55KB] Sept. 14, 2006    
EPA Could Improve Its Redistribution of Superfund Payments to Specific Sites, Report No. 2006-P-00027, [Report - PDF 26pp, 387KB] [At a Glance - PDF, 51KB] July 31, 2006    
EPA Provided Quality and Timely Information on Hurricane Katrina Hazardous Material Releases and Debris Management, Report No. 2006-P-00023 [Report - 1MB PDF, 28pp] [At a Glance - 76KB PDF] May 2, 2006    
EPA Can Better Implement Its Strategy for Managing Contaminated Sediments Report No. 2006-P-00016 [Report - 1686KB PDF, 44pp] [At a Glance - 43KB PDF] March 15, 2006    
EPA Can Better Manage Superfund Resources Report No. 2006-P-00013 [Report - 449KB PDF,42pp] [At a Glance - 49KB PDF] Februrary 28, 2006    
Office of Underground Storage Tanks Has Improved Contract Administration, But Further Action Needed Report No. 2006-P-00012 [Report - 134KB PDF,10pp] [At a Glance - 51KB PDF] February 28, 2006    
Rulemaking on Solvent-Contaminated Industrial Wipes Report No. 2006-P-00001 [Report - 266KB PDF, 31pp] [At a Glance - 60KB PDF] October 4, 2005    
Continued EPA Leadership Will Support State Needs for Information and Guidance on RCRA Financial Assurance Report No. 2005-P-00026 [Report - 349KB PDF, 26pp] [At a Glance - 51KB PDF] September 26, 2005    
EPA Practices for Identifying and Inventorying Hazardous Sites Could Assist Similar Department of the Interior Efforts [Report - 1MB PDF, 42pp] [At a Glance - 61KB PDF] Aug. 22, 2005    
EPA Can Better Manage Brownfields Administrative Resources - Report No. 2005-P-00017 [Report - 477KB, 48pp, PDF] [At a Glance - 44KB, 1pp, PDF] June 7, 2005    
Brownfields Competition Process for Awarding Grants Complied With Act, Report No. 2005-P-00009 [Report - 115KB PDF] [At a Glance - 39KB PDF]
March 7, 2005    
Tribal Superfund Program Needs Clear Direction and Actions to Improve Effectiveness, Report No. 2004-P-00035 [668KB PDF] September 30, 2004    
Ombudsman Report: Review of Actions at Industrial Excess Landfill Superfund Site, Uniontown, Ohio Report 2004-P-00031 [12MB PDF] September 29, 2004    
OIG Response to Congressional Request on Superfund Administrative Costs Briefing, Report No. 2004-S-00004 [193KB PDF] September 15, 2004    
Multiple Actions Taken to Address Electronic Waste, But EPA Needs to Provide Clear National Direction, Report No. 2004-P-00028 [1.57MB PDF] September 1, 2004    
Some States Cannot Address Assessment Needs and Face Limitations in Meeting Future Superfund Cleanup Requirements, Report No. 2004-P-00027 [259KB PDF] September 1, 2004    
Substantial Progress Made, But Further Actions Needed in Implementing Brownfields Program, Report 2004-P-0020 [1267KB PDF] June 21, 2004    
Review of Actions at Stauffer Chemical Company Superfund Site, Tarpon Springs, Florida, Report 2004-P-00018 [1,795KB PDF] June 3, 2004    
Idaho Superfund Credit Claim Under EPA Support Agency Cooperative Agreement No. V990431-01 Report No. 2004-4-00016 [206KB PDF] June 2, 2004    
The Office of Underground Storage Tanks: Contract Administration and Performance Measures Concerns Report No. 2004-P-00014 [445KB PDF] March 31, 2004    
Nationwide Identification of Hardrock Mining Sites [1.83MB PDF] March 31, 2004    
Audit Report: New Mexico Environment Department Costs Claimed Under Cooperative Agreement No. V986338-01 Report No. 2004-4-00015 [92KB PDF] March 31, 2004    
Review of EPA's Response to Petition Seeking Withdrawal of Authorization for Idaho's Hazardous Waste Program [126KB PDF]
February 5, 2004    
Immediate Action Needed to Address Weaknesses in EPA Efforts to Identify Hazardous Waste Sites in Indian Country [481KB PDF] January 30, 2004    
Congressional Request on Funding Needs for Non-Federal Superfund Sites [362KB PDF]
January 7, 2004    
Pollution Prevention: Effectiveness of EPA's Efforts to Encourage Purchase of Recycled Goods Has Not Been Demonstrated [166KB PDF] September 22, 2003    
Implementation, Information, and Statutory Obstacles Impede Achievement of Environmental Results from EPA's National Hardrock Mining Framework [2.99MB PDF] August 7, 2003    
Improving Nationwide Effectiveness of Pump-and-Treat Remedies Requires Sustained and Focused Action to Realize Benefits [181KB PDF] March 27, 2003    
EPA Region 10 Needs to Improve Oversight of Remediation Activities at the Hanford Superfund 100K-Area [1.04MB PDF] November 4, 2002    
EPA Response to Senate Environment and Public Works Committee on Funds Needs for Superfund Sites [185KB PDF] October 25, 2002    
EPA Review of Contaminants and Increased Funding Levels Needed to Ensure Continued Compliance with Superfund at Oak Ridge [433KB PDF] September 26, 2002    
Nikki L. Tinsley's June 24, 2002 letter to Congressman Dingell (includes attachments) [2.3MB PDF] June 24, 2002    
Land Application of Biosolids, Report No. 2002-S-000004 [485KB PDF] March 28, 2002    
Evaluation of Superfund Environmental Indicators [162KB PDF] December 27, 2001    
EPA Region III's Management of Tranguch Gasoline Site, Hazleton, Pennsylvania - (2001-P-00015) [PDF - 440 Kb] August 29, 2001    
Superfund Interagency Agreements - (2001-P-00011) [PDF - 230 Kb] June 22, 2001    
Superfund - Remedial Project Manager Turnover at Superfund Sites - (2001-M-000015) [PDF - 78 Kb] June 15, 2001    
EPA's Actions Concerning Asbestos-Contaminated Vermiculite in Libby, Montana - (2001-S-7) [2,074KB PDF] March 31, 2001    
RCRA Financial Assurance for Closure and Post-Closure - (2001-P-007) [253KB PDF] March 30, 2001    
Appropriate Violator Classifications and Timely Initial Enforcement Actions Would Strengthen Montana's RCRA Enforcement Program - (000762-2001-P-00004) [686KB PDF] March 28, 2001    
RCRA CORRECTIVE ACTION - RCRA Corrective Action Focuses on Interim Priorities -- Better Integration with Final Goals Needed - (2000-P-0028) [PDF - 1388Kb] September 29, 2000    
SUPERFUND - Update on Brownfields Initiative to Revitalize Urban Areas - (2000-P-00027) [PDF - 173Kb] September 29, 2000    
Resources Management Division Superfund Division - Audit of Superfund Consolidated Cooperative Agreement Awarded to Ohio Environmental Protection Agency - (2000-P-00020) [PDF - 319Kb] September 15, 2000    
Memorandum of Review on EPA's Management of the Abex Superfund Site - (2000-S-00006) [PDF - 56Kb] August 31, 2000    
Report on the Tank Waste Remediation System (TWRS) Program for the Hanford Federal Facility (2000-P-00012) [PDF - 489Kb] March 30, 2000    
Office of Research and Development - Audit of Extramural and Property Management at the Atlantic Ecology Division (2000-P-00015) [PDF - 1,361Kb] March 29, 2000    
Biosolids Management and Enforcement (2000-P-10) [PDF - 326Kb] March 20, 2000    
Superfund: Backlog of Five-Year Review Reports Increased Nearly Threefold (99P-218) [PDF - 95Kb] September 30, 1999    
Administration of Superfund Special Accounts Needs Improvement (99P-214) [PDF - 326Kb] September 28, 1999    
Identification and Enforcement of RCRA Significant Non-Compliers by EPA Region III and Virginia Department of Environmental Quality (99P-215) [PDF - 172Kb] September 20, 1999    
Region 2's Enforcement of the Resource Conservation and Recovery Act (9910224) [PDF - 312Kb], [Exec Summary] July 21, 1999    
Superfund Sites Deferred to RCRA (9100116) [PDF - 165Kb] March 31, 1999    
EPA Controls Over RCRA Permit Renewals (9100115) [PDF - 24Kb] March 30, 1999    
Resource Conservation and Recovery Act Significant Non- Complier Enforcement (9100110) [PDF - 257Kb] March 23,1999    
RCRA Significant Non-Complier Identification and Enforcement By The Rhode Island Department of Environmental Management [PDF - 1,566Kb] January 21, 1999    
EPA Had Not Effectively Implemented Its Superfund Quality Assurance Program - September 30, 1998 (8100240) [Executive Summary], [PDF - 308Kb] September 30, 1998    
Region 9's Controls Over Superfund Oversight Cost Billing - September 30, 1998 (8100259) [PDF - 39Kb] September 30, 1998    
Region 1's Implementation of Superfund Administrative Reforms - September 29, 1998 (8100254) [Executive Summary], [PDF-88Kb] September 29, 1998    
EPA's Management of the State Deferral Program - September 10, 1998 (8100234) [PDF - 98Kb] September 10, 1998    
Environmental Data Quality at Superfund Removal Actions in Region 9 - September 4, 1998 (8100223) [Executive Summary], [PDF - 1,145Kb] September 4, 1998    
Region 5 Oversight of PRP-lead Remedial Design and Remedial Action - August 17, 1998 (8100208) [Executive Summary], [PDF - 84Kb] August 17, 1998    
Region 2's Billing of Superfund Oversight Costs - August 13, 1998 (8100206) [Executive Summary], [PDF - 101Kb] August 13, 1998    
Replacement Housing at the Austin Avenue Radiation Site - March 30, 1998 (8100090) [Executive Summary], [PDF - 2,604Kb] March 30, 1998    
Brownfields: Potential for Urban Revitalization - March, 27, 1998 (8100091) [Executive Summary], [PDF - 88Kb] March, 27, 1998    
RD/RA Negotiation Time Frames - March 27, 1998 (8400015) [PDF - 5Kb] March 27, 1998    
Assessment of Controls Over Emergency Removal Actions at Methyl Parathion Sites (7400069) (PDF - 59KB) September 23, 1997    
Report of Audit of Region 3's Billing of Superfund Oversight Costs (7100292) [PDF - 83KB] September 22, 1997    
Final Report of Audit on the Maryland Department of the Environmental Leaking Underground Strorage Tank Program (7100290) [PDF - 120KB] September 17, 1997    
EPA Can Do More to Help Minimize Hardrock Mining Liabilities (7100223) [PDF - 462KB] June 11, 1997    
Biennial Hazardous Waste Data: Opportunity for Improvement (7100114) [PDF] April 29, 1997    
Animal Waste Disposal Issues (7100142) [PDF] April 21, 1997    
Further Improvements Needed in the Administration of RCRA Civil Penalties (7100146) [PDF] April 14, 1997    
Laboratory Data Quality at Federal Superfund Facilities (7100132) [PDF] April 7, 1997    
Consolidated Report on EPA's Leaking Underground Storage Tank Program (6100264) [PDF] February 2, 1997    
Review of Barriers to Superfund Site Cleanups (6400016) [PDF] February 2, 1997    
Environmental Data Quality at DOD Superfund Sites in Region 9 [Summary] | [Full] January 6, 1997    
Manifesting Requirements on Hazardous Waste Generators [Summary] | [Full text] November 15, 1996    
Agency Management of the Superfund Technical Assistance Grant Program (6100160) [PDF] 1996    
Region 8 Needed to Further Improve Interagency Agreement Oversight to Ensure Efficient Summitville Site Cleanup (6400019) [PDF] 1996    
Region 9 Data Quality Oversight at the Aerojet Superfund Site (6400044) [PDF] 1996    
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