AREA A/B ENGINEERING REPORT - Waste Management

TABLE OF CONTENTS
(continued)
Geosyntec Consultants
3.3.2 Key Environmentally Protective Features of Leachate Collection Systems
............................................................................................................................ 40
3.3.3 Long-Term Performance and Longevity of Leachate Collection Systems
............................................................................................................................ 41
3.3.4 Leachate Management Options .................................................................... 41
3.4 Landfill Cover Systems ................................................................................................. 44
3.4.1 Design of Final Cover Systems ...................................................................... 45
3.4.2 Key Environmentally Protective Features of Final Cover Systems .......... 47
3.4.3 Long-Term Performance of Final Cover Systems ....................................... 47
3.5 Gas Management System ........................................................................................... 50
3.5.1 Active Landfill Gas Management ................................................................. 50
3.5.2 Passive Landfill Gas Management ............................................................... 51
3.5.3 Key Environmentally Protective Features of Gas Control Systems ......... 53
3.5.4 Long-Term Performance of Gas Management Systems ........................... 53
3.6 The Role of Managed Landfills in Controlling Greenhouse Gases ...................... 54
3.6.1 Landfill Gas Collection Efficiency ................................................................. 55
3.6.2 Methane Oxidation in Cover Soils ............................................................... 56
3.6.3 Carbon Sequestration ..................................................................................... 56
4. OPERATION AND MAINTENANCE OF A MANAGED SOLID WASTE LANDFILL 58
4.1 Management of Landfill Operations ......................................................................... 59
4.1.1 Landfill Infrastructure and Equipment .......................................................... 59
4.1.2 Landfill Supervision and Operator Training ............................................... 59
4.2 Landfill Operation under Permit Conditions ............................................................. 60
4.2.1 Compliance with the Facility Operating Plan ............................................. 61
4.2.2 Waste Screening ............................................................................................. 62
4.2.3 Daily Operation at the Working Face ........................................................ 62
4.2.4 Stormwater Management .............................................................................. 63
4.3 Maintenance of Landfill Systems ................................................................................ 65
4.3.1 Preventative and Response Maintenance during Active Operations ..... 65
4.3.2 Post-Closure Maintenance .............................................................................. 67
5. ENVIRONMENTAL MONITORING AT MANAGED SOLID WASTE LANDFILLS.... 68
5.1 Why Monitor for Potential Releases from a Landfill to the Environment? .......... 69
MD10186.doc ii 29 March 2009