| | Treatment Technologies for Site Cleanup: Annual Status Report |
| | 7,93 | | MB | (ASR), Twelfth Edition |
| | 290 | | stron |
| | 6083 | | ID | UNITED STATES ENVIRONMENTAL PROTECTION AGENCY |
| | 2007 | | rok |
| | Table of Contents |
| | NOTICE . v |
| | LIST OF ACRONYMS . vi |
| | EXECUTIVE SUMMARY ES-1 |
| | Section 1: Introduction . 1-1 |
| | Reporting on the Status of Treatment Technologies 1-1 |
| | Treatment Technologies Included in this Report . 1-2 |
| | Framework for Discussion of Treatment Technology Data 1-4 |
| | Organization of the ASR Twelfth Edition 1-7 |
| | SECTION 2: OVERVIEW OF DATA 2-1 |
| | Remedies Selected in RODs . 2-2 |
| | Status of Superfund Remediation Projects 2-4 |
| | SECTION 3: TREATMENT TECHNOLOGIES FOR SOURCE CONTROL . 3-1 |
| | Source Control RODs 3-2 |
| | Source Control Treatment Projects. 3-3 |
| | In Situ Versus Ex Situ Technologies . 3-4 |
| | Status of Source Control Treatment Projects . 3-7 |
| | Innovative Applications 3-9 |
| | Contaminants Addressed . 3-11 |
| | Remedy Changes 3-12 |
| | Conclusion 3-13 |
| | SECTION 4: TREATMENT TECHNOLOGIES FOR GROUNDWATER . 4-1 |
| | Groundwater Remedy Decisions 4-1 |
| | RODs That Select Groundwater Treatment . 4-3 |
| | RODs That Select MNA 4-8 |
| | In Situ Groundwater Treatment Projects . 4-8 |
| | In Situ Groundwater Treatment Remedy Trends 4-8 |
| | Status of In Situ Groundwater Projects . 4-11 |
| | Groundwater Pump and Treat Projects 4-12 |
| | Status of Pump and Treat Projects . 4-13 |
| | Contaminants Treated by Pump and Treat Projects 4-13 |
| | Pump and Treat Remedy Changes 4-13 |
| | Conclusion 4-15 |
| | SECTION 5: REPORT FOCUS AREA - ON-SITE CONTAINMENT REMEDIES 5-1 |
| | Collection of Data about On-Site Containment Projects . 5-2 |
| | Overview of Sites with On-Site Containment 5-2 |
| | Cover Designs and Layer Components . 5-3 |
| | Cover System Goals . 5-5 |
| | Vertical Engineered Barriers . 5-7 |
| | SECTION 6: REFERENCES AND SOURCES OF ADDITIONAL INFORMATION 6-1 |
| | References 6-1 |
| | Online ASR Resources . 6-1 |
| | APPENDIX A - TREATMENT TECHNOLOGIES BY FISCAL YEAR |
| | APPENDIX B - TREATMENT TECHNOLOGY SUMMARY MATRIX |
| | APPENDIX C - DEFINITIONS OF SPECIFIC TREATMENT TECHNOLOGIES |
| | APPENDIX D - TREATMENT TECHNOLOGIES: SUMMARY OF STATUS REPORT ADDITIONS, |
| | CHANGES, AND DELETIONS |
| | APPENDIX E - RODS SELECTING MONITORED NATURAL ATTENUATION |
| | APPENDIX F - IDENTIFICATION OF REMEDY AND RECORD OF DECISION TYPES FOR |
| | SUPERFUND REMEDIAL ACTIONS |
| | APPENDIX G - REASONS FOR SHUT DOWN OF 73 GROUNDWATER PUMP AND TREAT |
| | SYSTEMS |
| | APPENDIX H - ON-SITE CONTAINMENT REMEDIES |
| | INDEX |