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ANNEX 3: ASSUMPTIONS CONCERNING GHG EMISSIONS FROM COMPONENTS OF MUNICIPAL SOLID WASTE (USEPA 1998)
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Note: LFG = Landfill Gas |
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Without Energy Recovery |
With LFG Recovery and Flaring |
With LFG Recovery and Electricity |
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Without Energy Recovery |
With LFG Recovery and Flaring |
With LFG Recovery and Electricity |
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Assuming 10% oxidation of methane |
Assuming 10% oxidation of methane |
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Methane Yield (ml/dry gram) |
MTCE/Wet tonne |
Carbon Sequestration (MTCE/wet tonne) |
Net GHG Emissions From CH4 Generation (MTCE/wet tonne) |
Net GHG Emissions From CH4 Generation (MTCE/wet tonne) |
Net GHG Emissions From CH4 Generation (MTCE/wet tonne) |
Emissions from Transport |
Net GHG Emissions From CH4 Generation (MTCE/wet tonne) |
Net GHG Emissions From CH4 Generation (MTCE/wet tonne) |
Net GHG Emissions From CH4 Generation (MTCE/wet tonne) |
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Newspaper |
74.2 |
0.259 |
0.36 |
0.23 |
0.06 |
0.02 |
0.01 |
-0.12 |
-0.29 |
-0.33 |
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Office paper |
346 |
1.207736 |
0.04 |
1.09 |
0.27 |
0.11 |
0.01 |
1.06 |
0.24 |
0.08 |
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Corrugated Boxes |
152.3 |
0.531613 |
0.22 |
0.48 |
0.12 |
0.05 |
0.01 |
0.27 |
-0.09 |
-0.16 |
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Coated Paper |
84.4 |
0.294604 |
0.29 |
0.26 |
0.07 |
0.03 |
0.01 |
-0.02 |
-0.21 |
-0.25 |
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Al Cans |
0 |
0 |
0 |
0 |
0 |
0 |
0.01 |
0.01 |
0.01 |
0.01 |
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Steel Cans |
0 |
0 |
0 |
0 |
0 |
0 |
0.01 |
0.01 |
0.01 |
0.01 |
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Glass |
0 |
0 |
0 |
0 |
0 |
0 |
0.01 |
0.01 |
0.01 |
0.01 |
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HDPE |
0 |
0 |
0 |
0 |
0 |
0 |
0.01 |
0.01 |
0.01 |
0.01 |
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LDPE |
0 |
0 |
0 |
0 |
0 |
0 |
0.01 |
0.01 |
0.01 |
0.01 |
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PET |
0 |
0 |
0 |
0 |
0 |
0 |
0.01 |
0.01 |
0.01 |
0.01 |
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Food Scraps |
300.7 |
0.335 |
0.02 |
0.3 |
0.08 |
0.03 |
0.01 |
0.29 |
0.07 |
0.02 |
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Grass |
144.3 |
0.214 |
0.12 |
0.19 |
0.05 |
0.02 |
0.01 |
0.08 |
-0.06 |
-0.09 |
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Leaves |
56 |
0.166 |
0.39 |
0.15 |
0.04 |
0.01 |
0.01 |
-0.23 |
-0.34 |
-0.37 |
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Branches |
76.3 |
0.17 |
0.21 |
0.15 |
0.04 |
0.02 |
0.01 |
-0.05 |
-0.16 |
-0.18 |
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Yard Trimmings |
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0.191 |
0.21 |
0.17 |
0.04 |
0.02 |
0.01 |
-0.03 |
-0.16 |
-0.18 |
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Mixed MSW |
92 |
0.273 |
0.16 |
0.25 |
0.06 |
0.02 |
0.01 |
0.1 |
-0.09 |
-0.13 |