AREA A/B ENGINEERING REPORT - Waste Management

TABLE OF CONTENTS
(continued)
Geosyntec Consultants
5.2 Components of an Environmental Monitoring Program .......................................... 69
5.2.1 Groundwater Monitoring System .................................................................. 70
5.2.2 Surface Water Monitoring Program ............................................................ 71
5.2.3 Subsurface Gas Migration Monitoring System ........................................... 71
5.2.4 Surface Emissions Monitoring ......................................................................... 72
5.2.5 Monitoring the Performance of Landfill Operational Systems ................ 73
6. THE SAFETY OF THE MODERN LANDFILL .......................................................... 75
6.1 Performance-Based Landfill Design and Management ......................................... 76
6.1.1 Overlapping Systems for Landfill Operation ............................................. 76
6.1.2 Predictability in Landfill Performance Trends ............................................ 77
6.2 Providing Long-Term Landfill Integrity ...................................................................... 78
6.2.1 Responding to Minor Upsets of Landfill Operational Systems ................ 78
6.2.2 The Potential for Extensive Landfill Failure ................................................. 78
6.2.3 Performance-Based Maintenance and Ending Care at Closed Landfills
............................................................................................................................ 80
6.3 Environmentally Protective Landfill Designs ............................................................. 81
7. BEYOND WASTE CONTAINMENT – LANDFILLS AS A RESOURCE ..................... 89
7.1 Landfill Gas-to-Energy and Other Proactive Green Energy Opportunities ...... 89
7.2 Effective Sequestration of Carbon in Landfills ........................................................ 91
7.3 Enhanced Waste Treatment vs. Waste Containment .............................................. 92
7.4 Increased Beneficial End Use Options for Closed Landfill Properties ................. 94
8. REFERENCES ..................................................................................................... 96
APPENDICES
APPENDIX A: LONG-TERM BEHAVIOR OF MANAGED LANDFILLS
A1. OVERVIEW ....................................................................................................... 105
A1.1 Degradation of Waste in Landfills ......................................................................... 105
A1.2 Regulatory Background ............................................................................................ 107
A1.3 Organization of this Appendix ................................................................................ 107
A2. LONG-TERM TRENDS IN LEACHATE GENERATION AND QUALITY ................ 108
MD10186.doc iii 29 March 2009