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<br />TABLE 1
<br />Tier 2 Emissions Update
<br />North County Landfill, San Joaquin County, California
<br />Revised for Actual 2006 Refuse Disposal
<br />Year
<br />Disposal
<br />Rate
<br />(tons/yr)
<br />Basis
<br />Refuse
<br />In -Place
<br />(tons)
<br />Disposal
<br />Rate
<br />(Mg/yr)
<br />Refuse
<br />In -Place
<br />I (Mg)
<br />NMOC
<br />Generation
<br />Rates
<br />I (Mg/yr)
<br />1990
<br />0
<br />Actual
<br />0
<br />0
<br />0
<br />0.0
<br />1991
<br />35,179
<br />Actual
<br />0
<br />31,914
<br />0
<br />0.0
<br />1992
<br />124,260
<br />Actual
<br />35,179
<br />112,727
<br />31,914
<br />0.6
<br />1993
<br />141,314
<br />Actual
<br />159,440
<br />128,198
<br />144,641
<br />2.8
<br />1994
<br />168,286
<br />Actual
<br />300,753
<br />152,666
<br />272,839
<br />5.2
<br />1995
<br />114,527
<br />Actual
<br />469,039
<br />103,897
<br />425,505
<br />8.1
<br />1996
<br />105,696
<br />Actual
<br />583,565
<br />95,886
<br />529,402
<br />10.0
<br />1997
<br />110,523
<br />Actual
<br />689,261
<br />100,265
<br />625,287
<br />11.6
<br />1998
<br />112,806
<br />Actual
<br />799,784
<br />102,336
<br />725,552
<br />13.4
<br />1999
<br />102,504
<br />Actual
<br />912,590
<br />92,990
<br />827,888
<br />15.1
<br />2000
<br />105,029
<br />Actual
<br />1,015,094
<br />95,281
<br />920,878
<br />16.6
<br />2001
<br />136,807
<br />Actual
<br />1,120,123
<br />124,109
<br />11016,159
<br />18.1
<br />2002
<br />144,843
<br />Actual
<br />1,256,930
<br />131,399
<br />1,140,268
<br />20.2
<br />2003
<br />142,288
<br />Actual
<br />1,401,773
<br />129,082
<br />1,271,667
<br />22.35
<br />2004
<br />166,431
<br />Actual
<br />1,544,061
<br />150,983
<br />1,400,749
<br />24.4
<br />2005
<br />180,524
<br />Actual
<br />1,710,492
<br />163,769
<br />1,551,732
<br />26.9
<br />2006
<br />181,313
<br />Actual
<br />1,891,016
<br />164,484
<br />1,715,501
<br />29.5
<br />2007
<br />186,752
<br />Estimate
<br />2,072,329
<br />169,419
<br />1,879,985
<br />32.14
<br />2008
<br />192,355
<br />Estimate
<br />2,259,081
<br />174,501
<br />2,049,404
<br />34.8
<br />2009
<br />198,126
<br />Estimate
<br />2,451,436
<br />179,737
<br />2,223,905
<br />37.5
<br />2010
<br />204,069
<br />Estimate
<br />2,649,562
<br />185,129
<br />2,403,642
<br />40.3
<br />2011
<br />210,191
<br />Estimate
<br />2,853,631
<br />190,682
<br />2,588,771
<br />43.1
<br />2012
<br />216,497
<br />Estimate
<br />3,063,823
<br />196,403
<br />21779,453
<br />45.9
<br />2013
<br />222,992
<br />Estimate
<br />3,280,320
<br />202,295
<br />2,975,856
<br />48.9
<br />2014
<br />229,682
<br />Estimate
<br />3,503,312
<br />208,364
<br />3,178,151
<br />51.8
<br />2015
<br />236,572
<br />Estimate
<br />3,732,994
<br />214,615
<br />3,386,515
<br />54.9
<br />2016
<br />243,670
<br />Estimate
<br />3,969,566
<br />221,053
<br />3,601,130
<br />57.9
<br />2017
<br />250,980
<br />Estimate
<br />4,213,236
<br />227,685
<br />31822,183
<br />61.1
<br />2018
<br />258,509
<br />Estimate
<br />4,464,215
<br />234,515
<br />4,049,868
<br />64.3
<br />2019
<br />266,264
<br />Estimate
<br />4,722,724
<br />241,551
<br />4,284,383
<br />67.6
<br />2020
<br />274,252
<br />Estimate
<br />4,988,988
<br />248,797
<br />4,525,934
<br />71.0
<br />ESTIMATED NMOC CONCENTRATION IN LFG (ppm as hexane) * : 798.6
<br />ASSUMED METHANE CONTENT OF LFG: 50%
<br />SELECTED DECAY RATE CONSTANT (per year): 0.02
<br />SELECTED ULTIMATE METHANE RECOVERY RATE: 5,446.3
<br />METRIC EQUIVALENT: 170
<br />* Based on May 2003 Tier 2 test
<br />NA1North County\A0MD\Tier2-20031Tier 2 Model North County.xis, Tab Printout -Table
<br />Printed 2/2/2007
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