AREA A/B ENGINEERING REPORT - Waste Management

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TABLE OF CONTENTS (continued) Geosyntec Consultants A2.1 Technical Synopsis ...................................................................................................... 108 A2.1 Summary of Supporting Body of Knowledge ....................................................... 109 A2.1.1 Long-Term MSW Leachate Generation .................................................... 109 A2.1.2 Characterization of MSW Leachate ......................................................... 109 A2.1.3 Mechanisms Affecting MSW Leachate Quality ....................................... 110 A2.1.4 Long-Term Trends in MSW Leachate Quality ......................................... 110 A2.1.5 Development of a “Biofilter” in the Bottom-Most Refuse Layer ........... 112 A3. POTENTIAL HEALTH IMPACTS OF MSW LANDFILL LEACHATE ....................... 113 A3.1 Technical Synopsis ...................................................................................................... 113 A3.2 Summary of Supporting Body of Knowledge ....................................................... 113 A4. LONG-TERM TRENDS IN LANDFILL GAS GENERATION AND COMPOSITION 115 A4.1 Technical Synopsis ...................................................................................................... 115 A4.2 Summary of Supporting Body of Knowledge ....................................................... 115 REFERENCES ............................................................................................................ 116 APPENDIX B: LANDFILL CONTAINMENT SYSTEM PERFORMANCE AND LONGEVITY B1. OVERVIEW ....................................................................................................... 123 B1.1 Containment System Design and Performance ..................................................... 123 B1.2 Organization of this Appendix ................................................................................ 123 B2. LONG-TERM PERFORMANCE OF LINER SYSTEMS ......................................... 124 B2.1 Technical Synopsis ...................................................................................................... 124 B2.2 Summary of Supporting Body of Knowledge ....................................................... 124 B3. LONG-TERM PERFORMANCE OF LEACHATE COLLECTION SYSTEMS ............ 128 B3.1 Technical Synopsis ...................................................................................................... 128 B3.2 Summary of Supporting Body of Knowledge ....................................................... 128 B4. FINAL COVER SYSTEM PERFORMANCE AND LONGEVITY ............................. 130 B4.1 Technical Synopsis ...................................................................................................... 130 B4.2 Summary of Supporting Body of Knowledge ....................................................... 130 B4.2.1 Final Cover System Components and Specifications .............................. 130 B4.2.2 Maintenance of Final Cover Systems ........................................................ 131 MD10186.doc iv 29 March 2009
TABLE OF CONTENTS (continued) Geosyntec Consultants B4.2.3 Estimating Air Emissions from Landfills ...................................................... 132 B4.2.4 Gas Collection Efficiency ............................................................................. 134 B4.2.5 Methane Oxidation in Landfill Covers ...................................................... 135 B4.2.6 Carbon Sequestration in Landfills .............................................................. 136 REFERENCES ............................................................................................................ 138 APPENDIX C: POST-CLOSURE CARE AND LONG-TERM LANDFILL INTEGRITY C1. OVERVIEW ....................................................................................................... 143 C1.1 Factors Affecting Landfill Performance during Post-Closure Care ................... 143 C1.2 Organization of this Appendix ................................................................................ 143 C2. LANDFILL PERFORMANCE DURING POST-CLOSURE CARE ............................ 144 C2.1 Technical Synopsis ...................................................................................................... 144 C2.2 Summary of Supporting Body of Knowledge ....................................................... 144 C3. POST-CLOSURE CARE MONITORING SYSTEMS .............................................. 146 C3.1 Technical Synopsis ...................................................................................................... 146 C3.2 Summary of Supporting Body of Knowledge ....................................................... 146 C4. LONG-TERM INTEGRITY OF LANDFILLS .......................................................... 148 C4.1 Technical Synopsis ...................................................................................................... 148 C4.2 Summary of Supporting Body of Knowledge ....................................................... 148 REFERENCES ............................................................................................................ 150 MD10186.doc v 29 March 2009
Page 1 and 2: ENVIRONMENTAL PROTECTION AT THE MAN
Page 3 and 4: TABLE OF CONTENTS Geosyntec Consult
Page 5: TABLE OF CONTENTS (continued) Geosy
Page 9 and 10: DEFINITIONS AND LIST OF ACRONYMS AC
Page 11 and 12: EXECUTIVE SUMMARY Geosyntec Consult
Page 13 and 14: Geosyntec Consultants time, the lan
Page 15 and 16: Long-Term Liner System Performance
Page 17 and 18: Geosyntec Consultants generation is
Page 19 and 20: Geosyntec Consultants cover systems
Page 21 and 22: Beyond Waste Containment - Landfill
Page 23 and 24: Geosyntec Consultants • Section 3
Page 25 and 26: Geosyntec Consultants Required by r
Page 27 and 28: • Landfill gas system monitoring
Page 29 and 30: Geosyntec Consultants An extensive
Page 31 and 32: 1.4.2 Permanent Storage of Biogenic
Page 33 and 34: 2. REGULATORY OVERSIGHT OF MANAGED
Page 35 and 36: 2.2.1 Siting Considerations Geosynt
Page 37 and 38: Geosyntec Consultants The LCRS is i
Page 39 and 40: • Control moisture and percolatio
Page 41 and 42: 3. DESIGN COMPONENT SYSTEMS OF A MA
Page 43 and 44: Prescriptive Final Cover System 1.
Page 45 and 46: 3.2.2 Key Environmentally Protectiv
Page 47 and 48: Geosyntec Consultants selected and
Page 49 and 50: Geosyntec Consultants • Leachate
Page 51 and 52: Geosyntec Consultants secondary, an
Page 53 and 54: Geosyntec Consultants along with re
Page 55 and 56: Geosyntec Consultants cover surface
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3.5 Gas Management System Geosyntec
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Geosyntec Consultants • Passive c
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Geosyntec Consultants out certain p
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Geosyntec Consultants on the curren
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4. OPERATION AND MAINTENANCE OF A M
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Geosyntec Consultants permit condit
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Geosyntec Consultants • Standard
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Geosyntec Consultants Design of the
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Geosyntec Consultants waste constit
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5. ENVIRONMENTAL MONITORING AT MANA
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Geosyntec Consultants safeguards fo
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Geosyntec Consultants LFG migration
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Geosyntec Consultants Other example
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Geosyntec Consultants operation is
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Geosyntec Consultants landfill syst
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Geosyntec Consultants behind the li
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Table 6-0: Summary of Section 6 Tab
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Containment Attribute Siting and De
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Waste Treatment Attribute Siting an
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Environmental and Performance Monit
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they help reduce the dependency on
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Geosyntec Consultants that landfill
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7.4 Increased Beneficial End Use Op
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8. REFERENCES Geosyntec Consultants
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Geosyntec Consultants Eid H.T., Sta
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Geosyntec Consultants Koerner R.M.,
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Geosyntec Consultants Sangam H.P.,
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Geosyntec Consultants Wardwell R.E.
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I II III IV V VI VII VIII Figure A-
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• Long-terms trends in MSW leacha
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Geosyntec Consultants sites of diff
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A2.1.5 Development of a “Biofilte
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Geosyntec Consultants impact health
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Geosyntec Consultants updated despi
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Geosyntec Consultants Gibbons R.D.,
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Geosyntec Consultants Pivato A., Mo
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Geosyntec Consultants Youcai Z., Hu
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• Long-term performance of leacha
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AVERAGE LCRS FLOW RATE (lphd) 100,0
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B3. LONG-TERM PERFORMANCE OF LEACHA
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B4. FINAL COVER SYSTEM PERFORMANCE
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Geosyntec Consultants compacted but
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Geosyntec Consultants various pract
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Geosyntec Consultants In summary, a
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REFERENCES Geosyntec Consultants Ab
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Geosyntec Consultants Humer M., Lec
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Geosyntec Consultants United States
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Geosyntec Consultants These three s
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Geosyntec Consultants discontinue o
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C4. LONG-TERM INTEGRITY OF LANDFILL
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Geosyntec Consultants well known, t
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Geosyntec Consultants Zekkos D., Br
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