APPENDIX B - GRAPHSFigure 1. Average temperatures for the northeast cell01020304050607080Apr-01 Jul-01 Oct-01 Feb-02 May-02 Aug-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Jul-04 Nov-04 Feb-05Date

Waste Temperature (Celcius)32527292112132152172 Air Temperature (Fahrenheit)Layer 1Layer 2Layer 3Mean Ambient Air Temperature7/29/02Began Full-ScaleLeachate Addition onLayer 22/28/03Began Full-ScaleLeachate Addition onLayer 36/19/02Began Full-ScaleLeachate Addition onLayer 1Figure 2. Average temperatures for the west-side cell01020304050607080May-02 Aug-02 Nov-02 Feb-03 May-03 Aug-03 Oct-03 Jan-04 Apr-04 Jul-04 Oct-04 Jan-05 Apr-05Date

Waste Temperature (Celcius)32527292112132152172 Air Temperature (Fahrenheit)Layer 3Layer 2Layer 1Mean Ambient Air Temperature6/5/03Began Full Scale LeachateAddition on Layer 3 and 411/25/03Began Full Scale LeachateAddition on Layer 2Figure 3. Average temperatures for the southeast aerobic cell01020304050607080Jul-01 Oct-01 Jan-02 Apr-02 Jul-02 Oct-02 Jan-03 Apr-03Jul-03 Oct-03 Jan-04 Apr-04 Jul-04 Oct-04 Jan-05 Apr-05Date

Waste Temperature (Celcius)32527292112132152172 Air Temperature (Fahrenheit)Layer 0.5Layer 1Layer 2Layer 0Mean Ambient Air Temperature11/14/03Liquid NitrogenInjection11/25/03Began Full-Scale LeachateAddition9/25/01Waste PlacementCompletedFigure 4. Average moisture for each layer on the northeast cell020406080100May-01 Sep-01 Jan-02 May-02 Sep-02 Jan-03 May-03 Sep-03 Jan-04 May-04 Aug-04 Dec-04 Apr-05Date

Moisture020406080100 Moisture Zones for PVC Moisture SensorsLayer 1 PVC Moisture SensorsLayer 2 PVC Moisture SensorsLayer 2 Gypsum in Plaster Moisture SensorsLayer 2 Gypsum in Soil Moisture SensorsLayer 3 PVC Moisture SensorsCompletelySaturatedSome FreeLiquidNoFreeLiquid2/28/03Began Full-Scale LeachateAddition on Layer 37/29/02Began Full-Scale LeachateAddition on Layer 26/19/02Began Full-ScaleLeachate Addition onLayer 1Figure 5. Average moisture for each layer on the west-side cell020406080100May-02 Aug-02 Nov-02 Feb-03 Jun-03 Sep-03 Dec-03 Apr-04 Jul-04 Oct-04 Jan-05Date

MoistureLayer 3Layer 2Layer 1CompletelySaturatedSomeFreeLiquidNo FreeLiquid Moisture Zones for PVC Moisture Sensor s6/05/03Began Leachate Addition onLayer 211/25/03Began Leachate Addition onLayer 3020406080100Aug-01 Dec-01 May-02 Sep-02 Jan-03 Jun-03 Oct-03 Feb-04 Jun-04 Nov-04 Mar-05 Jul-05 Nov-05 Apr-06Date

Moisture020406080100 Moisture Zones for PVC Moisture SensorsLayer 0Layer 1Layer 2Layer 0.5CompletelySaturatedSomeFreeLiquidNoFreeLiquid6/21/02Began Leachate Injection Line TestingFigure 6. Average moisture for each layer on the southeast aerobic cell0.001.002.003.004.005.006.00Mar-01 Jun-01 Oct-01 Jan-02 May-02 Sep-02 Dec-02 Apr-03 Aug-03 Nov-03 Mar-04 Jun-04 Oct-04 Feb-05 May-05Date

Pressure (Inches of Water)0.00002.00004.00006.00008.000010.000012.000014.0000Tube 4Tube 5Tube 6Average, PT-4Average, PT-5Average, PT-6FPA Regulatory Requirements Pressure (Centimeters of Water)6/19/02Began Leachate Addition inNortheast Anaerobic CellFigure 7. Liquid head on base liner for northeast cell0.002.004.006.00Jul-01 Oct-01 Jan-02 May-02 Aug-02 Nov-02 Mar-03 Jun-03 Sep-03 Dec-03 Apr-04 Jul-04 Oct-04 Feb-05 May-05Date

Pressure (Inches of Water)0.02.04.06.08.010.012.014.0Tube 2Tube 3Average, Transducer-01Average, Transducer-02Average, Transducer-03Tube 1FPA Regulatory Requirements Pressure (Centimeters of Water)6/5/03Began Leachate Addition in theWest-Side Anaerobic CellFigure 8. Liquid head on base liner for west-side cell0.00004.00008.000012.000016.000020.000024.0000Feb-02 Jun-02 Sep-02 Jan-03 Apr-03 Aug-03 Dec-03 Mar-04 Jul-04 Oct-04 Feb-05Date

Pressure (Inches of Water)0.000010.000020.000030.000040.000050.000060.0000 Pressure (Centimeters of Water)Pressure Transducer-07Pressure Transducer-08Tube 7Tube 8FPA Regulatory Requirements11/25/03Began Full-Scale LeachateAddition3/6/04PT-8 Sensor Begins ReadingEratically. Sensor to beremoved and TestedFigure 9. Liquid head on southeast aerobic linerFigure 10. Average daily leachate recirculated rate for northeast cell0510152025Jan-02 Apr-02 Aug-02 Nov-02 Feb-03 May-03 Sep-03 Dec-03 Mar-04 Jul-04 Oct-04 Jan-05 Apr-05Date

Recirculated Rate (gpm)Figure 11. Average daily leachate recirculated rate for west-side cell-5051015202530354045Apr-03 Jun-03 Aug-03 Oct-03 Dec-03 Feb-04 Apr-04 Jun-04 Aug-04 Sep-04 Nov-04 Jan-05 Mar-05Date

Recirculated Rate (gpm)Figure 12. Average daily leachate recirculated rate for southeast aerobic cell01020304050607080Oct-03 Dec-03 Feb-04 Apr-04 Jun-04 Aug-04 Oct-04 Dec-04 Feb-05 Apr-05Date

Average Recirculation Rate (gpm)0.05.010.015.020.025.030.035.040.045.0Nov-01 May-02 Dec-02 Jun-03 Jan-04 Aug-04 Feb-05Date

Concentration00.511.522.5 Leachate Recirculation (Million Gallons)pHTemperature CDissolved Oxygen mg/LLeachate RecirculatedFigure 13a. Leachate field parameters for the northeast cell020004000600080001000012000140001600018000Nov-01 May-02 Dec-02 Jun-03 Jan-04 Aug-04 Feb-05Date

Concentration-600-500-400-300-200-1000100200 Oxidation Reduction Potential (mV)Electrical Conductivity μSTotal Dissolved Solids ppmOxidation Reduction Potential mVFigure 13b. Leachate field parameters for the northeast cell05101520253035Jul-01 Feb-02 Sep-02 Mar-03 Oct-03 Apr-04 Nov-04 May-05Date

Concentration00.20.40.60.811.2 Leachate Recirculation (Million Gallons)pHTemperature CDissolved Oxygen mg/LLeachate RecirculationFigure 14a. Leachate field parameters for the west-side cell0200040006000800010000120001400016000Nov-01 May-02 Dec-02 Jun-03 Jan-04 Aug-04 Feb-05 Sep-05Date

Concentration-200-150-100-50050100150200 Oxidation Reduction Potential (mV)Electrical Conductivity μSTotal Dissolved Solids ppmOxidation Reduction Potential mVFigure 14b. Leachate field parameters for the west-side cell0.0010.0020.0030.0040.0050.0060.00Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 Nov-04 Feb-05Date

Concentration00.10.20.30.40.50.60.7 Volume (Million Gallons)pHTemperature CDissolved Oxygen mg/LLeachate RecirculatedFigure 15a. Leachate field parameters for the southeast aerobic cell0500010000150002000025000Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-04 Dec-04 Mar-05Date

Concentration-200-150-100-50050100150200250 Oxidation Reduction Potential (mV)Electrical Conductivity μSTotal Dissolved Solids ppmOxidation Reduction Potential mVFigure 15b. Leachate field parameters for the southeast aerobic cellFigure 16. Profile of leachate total (nonvolatile) organic carbon for the northeast cell01002003004005006007008009001000Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Total Organic Carbon (mg/L)00.511.522.53 Leachate Recirculated (Million Gallons)Total (Non-Volatile) Organic CarbonLeachate Recirculated0100200300400500600700800900Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Total Organic Carbon (mg/L)00.20.40.60.811.2 Leachate Recirculated (Million Gallons)Total (Non-Volatile) Organic CarbonLeachate RecirculatedFigure 17. Profile of leachate total (nonvolatile) organic carbon for the west-side cell020004000600080001000012000Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 Nov-04 Feb-05Date

Total Organic Carbon (mg/L)00.10.20.30.40.50.60.7 Volume (Million Gallons)Total (Non-Volatile) Organic Carbon mg/LLeachate RecirculatedFigure 18. Profile of leachate total (nonvolatile) organic carbon for the southeast aerobic cell0100200300400500600700800900Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Total Kjeldahl Nitrogen (mg/L)00.511.522.53 Supplemental Liquid (Million Gallons)Total Kjeldahl NitrogenLeachate RecirculatedFigure 19. Leachate nitrogen profile for the northeast cell0100200300400500600700Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Total Kjeldahl Nitrogen (mg/L)00.20.40.60.811.2 Leachate Recirculated (Million Gallons)Total Kjeldahl NitrogenLeachate RecirculatedFigure 20. Leachate nitrogen profile for the west-side cell0100200300400500600700800Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 Nov-04 Feb-05Date

Total Kjeldahl Nitrogen (mg/L)00.10.20.30.40.50.60.7 Volume (Million Gallons)Total Kjeldahl Nitrogen mg/LLeachate RecirculatedFigure 21. Leachate nitrogen profile for the southeast aerobic cell02468101214161820Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)00.511.522.53 Leachate Recirculated (Million Gallons)Nitrate-Nitrite as NTotal PhosphorusLeachate RecirculatedFigure 22. Profile of leachate nutrients for the northeast cell01234567Jul-01 Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Nov-04 Apr-05Date

Concentration (mg/L)00.20.40.60.811.2 Leachate Recirculated (Million Gallons)Nitrate-Nitrite as NTotal PhosphorusLeachate RecirculatedFigure 23. Profile of leachate nutrients for the west-side cell012345678Nov-01 Mar-02 Jul-02 Oct-02 Feb-03 Jun-03 Oct-03 Feb-04 Jun-04 Oct-04 Feb-05Date

Concentration00.10.20.30.40.50.60.7 Volume (Million Gallons)Total Phosphorus mg/LNitrate-Nitrite as N mg/LLeachate RecirculatedFigure 24. Profile of leachate nutrients for the southeast aerobic cell05001000150020002500Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration ( μ g/L)00.511.522.53 Leachate Recirculated (Million Gallons)Acetone4-Methyl-2-pentanone (MIBK)Leachate RecirculatedFigure 25a. Northeast cell - Concentration of various VOC’s over time020406080100120140160Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration ( μ g/L)00.511.522.53 Leachate Recirculation (Million Gallons)BenzeneMethyl-tert-butyl ether (MTBE)TolueneLeachate RecirculationFigure 25b. Northeast cell - Concentration of various VOC’s over time0200400600800100012001400Dec-01 Jul-02 Jan-03 Aug-03 Feb-04 Sep-04 Mar-05Date

Concentration (mg/L)00.20.40.60.811.2 Leachate Recirculat ed (Million Gallons)4-Methyl-2-pentanone (MIBK)Leachate RecirculatedFigure 26a. West-side cell - Concentration of various VOC’s over time050100150200250Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration ( μ g/L)00.20.40.60.811.2 Leachate Recirculated (Million Gallons)BenzeneMethyl-tert-butyl ether (MTBE)TolueneAcetoneLeachate RecirculatedFigure 26b. West-side cell - Concentration of various VOC’s over time020406080100120140Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 Nov-04 Feb-05Date

Concentration00.10.20.30.40.50.60.7 Volume (Million Gallons)Benzene μg/LMethyl-tert-butyl ether (MTBE) μg/LToluene μg/LLeachate RecirculatedFigure 27a. Southeast aerobic cell - Concentration of various VOC’s over time050010001500200025003000350040004500Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 Nov-04 Feb-05Date

Concentration00.10.20.30.40.50.60.7 Volume (Million Gallons)Acetone μg/L4-Methyl-2-pentanone (MIBK) μg/LLeachate RecirculatedFigure 27b. Southeast aerobic cell - Concentration of various VOC’s over timeFigure 28a. Profile of leachate dissolved metals for the northeast cell0123456Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)BariumIronManganeseNickelPhosphorus05001000150020002500Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)CalciumMagnesiumPotassiumSodiumNote: The low sodium point was an ND, but there were no reported errors from the lab.Figure 28b. Profile of leachate dissolved metals for the northeast cell00.020.040.060.080.10.120.140.160.18Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)ArsenicCobaltCopperLeadSeleniumTinChromiumFigure 28c. Profile of leachate dissolved metals for the northeast cell-200%0%200%400%600%800%1000%1200%Feb-02 Jun-02 Oct-02 Feb-03 Jun-03 Oct-03 Feb-04 Jun-04 Sep-04 Jan-05Date

Change from February 2002 (Percent)ArsenicBariumChromiumCobaltLeadVanadiumFigure 29. Change in dissolved metals concentration relative to initial concentration measured in February 2002 forthe northeast cell051015202530Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)BariumIronManganeseNickelPhosphorusFigure 30a. Profile of leachate dissolved metals for the west-side cell00.020.040.060.080.10.120.140.160.18May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)ArsenicChromiumCobaltSeleniumFigure 30b. Profile of leachate dissolved metals for the west-side cell020040060080010001200140016001800Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Mar-05Date

Concentration (mg/L)CalciumMagnesiumPotassiumSodiumFigure 30c. Profile of leachate dissolved metals for the west-side cell-250%0%250%500%750%1000%Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 Nov-04Date

Change in Concentration from February 2002 (%)-1000%0%1000%2000%3000%4000%5000%6000% Change in Concentration of Chromium from Februrary 2002 (%)ArsenicBariumCobaltChromiumFigure 31. Change in dissolved metals concentration relative to initial concentration measured in February 2002 forthe west-side cell01234567Dec-01 Jul-02 Jan-03 Aug-03 Feb-04 Sep-04 Mar-05Date

Dissolved Metals Concentration (mg/L)0102030405060708090100Dissolved BariumDissolved NickelDissolved PhosphorusDissolved IronDissolved ManganeseFigure 32a. Profile of leachate dissolved metals for the southeast aerobic cell00.10.20.30.40.50.60.70.80.9Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-04 Dec-04 Mar-05Date

ConcentrationDissolved Arsenic mg/LDissolved Chromium mg/LDissolved Cobalt mg/LDissolved Selenium mg/LFigure 32b. Profile of leachate dissolved metals for the southeast aerobic cell050010001500200025003000Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-04 Dec-04 Mar-05Date

ConcentrationDissolved Magnesium mg/LDissolvd Calcium mg/LDissolved Potassium mg/LDissolved Sodium mg/LFigure 32c. Profile of leachate dissolved metals for the southeast aerobic cell-1000%0%1000%2000%3000%4000%5000%6000%7000%8000%9000%Dec-01 Jul-02 Jan-03 Aug-03 Feb-04 Sep-04 Mar-05Date

Change from February 2002 (%)ArsenicBariumChromiumCobaltFigure 33. Change in dissolved metals concentration relative to initial concentration measured in February 2002 forthe southeast aerobic cellFigure 34. Landfill gas flow rate and cumulative methane for the northeast cell050100150200250Dec-01 Mar-02 Jun-02 Oct-02 Jan-03 Apr-03 Jul-03 Nov-03 Feb-04 May-04 Aug-04 Dec-04 Mar-05Date

Landfill Gas Flow Rate (scfm)0102030405060708090100 Cumulative Methane (10^6 scf)Average Flow RateCumulative Methane6/10/02Began Full-ScaleLeachate Injection3/27/02Began leachateInjection Line TestingFigure 35. Landfill gas flow rate and cumulative methane for the west-side cell050100150200250300350400May-02 Jul-02 Oct-02 Dec-02 Mar-03 Jun-03 Aug-03 Nov-03 Feb-04 Apr-04 Jul-04 Sep-04 Dec-04 Mar-05Date

Landfill Gas Flow Rate (scfm)05101520253035404550556065707580859095100105 Cumulative Methane (10^6 scf)Landfill Gas Flow RateCumulative Methane10/19/02Completed surfaceliner installation3/13/03Completed West 6-acrearea LFG CollectionSystem06/05/03Began Full-ScaleLeachate AdditionFigure 36. Landfill gas flow rate and cumulative methane for the southeast aerobic cell0102030405060708090100Oct-02 Jan-03 Apr-03 Jul-03 Oct-03 Jan-04 Apr-04 Jul-04 Sep-04 Dec-04 Mar-05Date

Landfill Gas Flow Rate (scfm)00.511.522.53 Cumulative Methane (10^6 scf)Average Flow RateCumulative MethaneFigure 37. Landfill gas concentrations from gas header line for northeast cell010203040506070Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-04 Dec-04 Mar-05Date

Landfill Gas Concentration (%)MethaneCarbon DioxideOxygenBalance3/27/02Began leachate Injection Line6/10/02Began Full-Scale Leachate InjectionFigure 38. Landfill gas concentrations from gas header line for west-side cell01020304050607080May-02 Jul-02 Oct-02 Dec-02 Mar-03 Jun-03 Aug-03 Nov-03 Feb-04 Apr-04 Jul-04 Sep-04 Dec-04 Mar-05Date

Landfill Gas Composition (Percent)MethaneCarbon DioxideOxygenBalance10/19/02Completed surface linerinstallation on the west 6-acre area06/05/03Began Full-ScaleLeachate AdditionFigure 39. Landfill gas concentrations from gas header line for southeast aerobic cell01020304050607080Jan-03 Apr-03 Jul-03 Oct-03 Jan-04 Apr-04 Jul-04 Sep-04 Dec-04 Mar-05Date

Landfill Gas Composition (Percent)Carbon DioxideOxygenBalanceMethaneFigure 40. Average suction on the northeast cell-16-14-12-10-8-6-4-20Mar-03 May-03 Aug-03 Nov-03 Jan-04 Apr-04 Jul-04 Sep-04 Dec-04 Feb-05Date

Suction (inches of water)Figure 41. Average suction on the west-side cell-7-6-5-4-3-2-10Jan-03 May-03 Aug-03 Nov-03 Mar-04 Jun-04 Sep-04 Dec-04 Apr-05Date

Suction (Inches of Water)Figure 42. Average suction on the southeast aerobic cell-40-35-30-25-20-15-10-50Jan-04 Mar-04 Apr-04 Jun-04 Aug-04 Sep-04 Nov-04 Dec-04 Feb-05 Apr-05Date

Suction (inches of water)

# June 2002Methane Emissions, ppm 

# September 2002

Figure 43. Surface emission map for the nort heast cell for 2002, with color scale. The

weighted average emissions for the June and September scan were 1.1 and 0.25 ppm,

respectively. 0 1 5 10 15 20 25

# March 2003

April 2003Methane Emissions, ppm



# Figure 43 cont. Surface emission maps for the Nort heast cell for 2003, with color scale. The weighted

average emissions for the March, April, September, and December surface scans were 0.18, 0.08, 3.7,

and 0.24 ppm, respectively. Note the color scale fo r the September scan is different from the other

three plots. 0 1 5 10 15 20 25

# Figure 43 cont. Surface emission maps for the Northeast cell for 2003, with color scale. The

weighted average emissions for the March, April, September, and December surface scans were

0.18, 0.08, 3.7, and 0.24 ppm, respectively. Note the color scale for the September scan is different

from the other three plots.Methane Emissions, ppm 

# September 2003Methane Emissions, ppm



# December 2003 0 1 25 50 100 150 200

0 1 5 10 15 20 25

# January 2004Methane Emissions, ppm



# April 2004

Figure 43 cont. Surface emission maps for the Northeast cell for 2004, with color scale. The

weighted average emissions for the January, Ap ril, August, and November surface scans were

0.14, 0.10, 0.32, and 5.2 ppm, respectively. Note the color scale for the November scan is different

than the other three plots. 0 1 5 10 15 20 25

# August 2004

November 2004Methane Emissions, ppmMethane Emissions, ppm



# Figure 43 cont. Surface emission maps for the Northeast cell for 2004, with color scale. The

weighted average emissions for the January, Ap ril, August, and November surface scans were

0.14, 0.10, 0.32, and 5.2 ppm, respectively. Note the color scale for the November scan is different

than the other three plots. 0 1 5 10 15 20 25

0 1 5 20 40 60 80

# March 2005Methane Emissions, ppm



# Figure 43 cont. Surface emission maps for the Northeast cell for March 2005, with color scale.

The weighted average emissions was 2.7 ppm. Note the color scale is different than the other

plots. 0 1 5 10 15 25 35

# Figure 44. Surface emissions map for the west 6-ac re cell for 2002, with color scale. The weighted

average emissions for the April, June, and Sept ember surface scans were 0.84, 6.5 and 4.2 ppm,

respectively.Methane Emissions, ppm



# June 2002 April 2002

0 1 10 20 30 40 50

# September 2002Methane Emissions, ppm



# Figure 44 cont. Surface emissions map for the west 6-acre cell for 2002, with color scale. The

weighted average emissions for the April, June, and September surface scans were 0.84, 6.5 and 4.2

ppm, respectively. 0 1 10 20 30 40 50

# January 2003

March 2003Methane Emissions, ppmMethane Emissions, ppm



# Figure 44 cont. Surface emission maps for the west 6-acre cell for 2003, with color scale. The

weighted average emissions for the January, Marc h, April, September, and December 2003 surface

scans were 0.70, 5.82, 2.04, 0.64, 10.4 ppm, respectively. Note the color scale for the March 2003 is

different from the other plots. 0 1 10 20 30 40 50

0 1 15 30 45 60 75

# April 2003

September 2003Methane Emissions, ppmMethane Emissions, ppm



# Figure 44 cont. Surface emission maps for the west 6-acre cell for 2003, with color scale. The

weighted average emissions for the January, Marc h, April, September, and December 2003 surface

scans were 0.70, 5.82, 2.04, 0.64, 10.4 ppm, respectively. Note the color scale for the April 2003 is

different from the other plots. 0 1 10 50 100 150 200

0 1 10 20 30 40 50Methane Emissions, ppm 

# December 2003

Figure 44 cont. Surface emission maps for the west 6-acre cell for 2003, with color scale. The

weighted average emissions for the January, Marc h, April, September, and December 2003 surface

scans were 0.70, 5.82, 2.04, 0.64, 10.4 ppm, respec tively. Note the color scale for the December 2003

is different from the other plots. 0 1 10 50 100 200 300Methane Emissions, ppm 

# January 2004

April 2004Methane Emissions, ppm



# Figure 44 cont. Surface emission maps for the west 6-acre cell for 2004, with color scale. The

weighted average emissions for the January, April, August, and November surface scans were 1.96,

0.96, 3.79, and 0.73 ppm, respectively. Note th e color scale for the January and April 2004 are

different than the other plots. 0 1 50 100 250 400 550

0 1 10 20 30 40 50

# August 2004

November 2004Methane Emissions, ppmMethane Emissions, ppm



# Figure 44 cont. Surface emission maps for the west 6-acre cell for 2004, with color scale. The

weighted average emissions for the January, April, August, and November surface scans were 1.96,

0.96, 3.79, and 0.73 ppm, respectively. Note the colo r scale for the August scan is different from the

plots. Note the color scale used for the August 2004 is different from the other plots. 0 1 50 100 250 400 550

0 1 10 20 30 40 50Methane Emissions, ppm 

# March 2005

Figure 44 cont. Surface emission maps for the west cell for March 2005, with color scale. The

weighted average emi ssions was 3.97 ppm. 0 1 50 100 250 400 550

# Figure 45. Surface emission map for the sout heast cell for 2002, with color scale. The

weighted average emissions for the June and September scan were 2.17 and 0.13 ppm,

respectively. The April 2002 was not plotted due to no emissions being detected.



# June 2002

September 2002Methane Emissions, ppm



# 0 1 5 10 20 30 40

# September 2003 April 2003Methane Emissions, ppm



# Figure 45 cont. Surface emission map for the southeast cell for 2003, with color scale. The

weighted average emissions for the April, Se ptember, and December scan were 0.64 and

0.43, and 1.12 ppm, respectively. 0 1 5 10 20 30 40

# Figure 45 cont. Surface emission map for the southeast cell for 2003, with color scale. The

weighted average emissions for the April, Se ptember, and December scan were 0.64 and

0.43, and 1.12 ppm, respectively. 

# December 2003Methane Emissions, ppm



# 0 1 5 10 20 30 40

# Figure 45 cont. Surface emission map for the southeast cell for 2004, with color scale. The

weighted average emissions for the January, April, August and November scan were 4.3,

2.6, 0.79, 7.88 ppm, respectively. Note all 2004 plots have different color scales. 

# January 2004Methane Emissions, ppmMethane Emissions, ppm 

# April 2004 0 1 5 10 50 100 150

0 1 10 50 200 350 500

# November 2004Methane Emissions, ppmMethane Emissions, ppm 

# August 2004

Figure 45 cont. Surface emission map for the southeast cell for 2004, with color scale. The

weighted average emissions for the August and November scan were 0.79 and 7.8 8 ppm, respectively. Note they al l have different color scales. 0 1 5 10 20 30 40

0 1 10 50 75 100 150Figure 46. Graph of the average methane emissions detected from the west-side cell as a function of the averagevacuum applied by the LFG extraction system0246810120 0.5 1 1.5 2 2.5 3 3.5Average Vacuum Applied by the LFG Extraction System (Inches of Water)

Average Emissions Detected (ppm)Lower emissions weredetected in the earlierstages of waste placement.0204060801000 5 10 15 20 25 30 35Waste Sample Depth (feet)

BMP (ml CH4/gm)1st Sampling2nd Sampling, North2nd Sampling, South3rd Sampling, North3rd Sampling, SouthFigure 47. Graph of the biochemical methane potential from waste sampling performed on the northeast cellFigure 48. Graph of the biochemical methane potential from waste sampling performed on the west-side cell0204060801001200 5 10 15 20 25 30 35 40 45Waste Sample Depth (feet)

BMP (ml CH4/gm)1st Sampling2nd Sampling, North2nd Sampling, South3rd Sampling, North3rd Sampling, South01020304050600 5 10 15 20 25Waste Sample Depth (feet)

BMP (ml CH4/gm)1st Sampling2nd Sampling3rd Sampling, South3rd Sampling, East3rd Sampling, WestFigure 49. Graph of the biochemical methane potential from waste sampling performed on the southeast aerobic cell0.000.501.001.502.002.503.003.504.004.505.008 13 18 23 28 33Waste Sample Depth (ft)

(C+H)/L ratio1st Sampling2nd event, North2nd Event, South3rd Sampling, North3rd Sampling, SouthFigure 50. Comparison of (cellulose + hemicellulose)/lignin ratios for the northeast cell0.001.002.003.004.005.006.008 13 18 23 28 33 38 43Waste Sample Depth (ft)

(C+H)/L ratio1st Sampling2nd Sampling, North2nd Sampling, South3rd Sampling, North3rd Sampling, SouthFigure 51. Comparison of (cellulose + hemicellulose)/lignin ratios for the west-side cell0.000.501.001.502.002.503.003.508 13 18 23Waste Sample Depth (ft)

(C+H)/L ratio1st Sampling2nd event3rd Event, East3rd Sampling, West3rd Sampling, SouthFigure 52. Comparison of (cellulose + hemicellulose)/lignin ratios for the southeast aerobic cell