APPENDIX B - GRAPHS
Figure 1. Average temperatures for the northeast cell 

0

1020304050607080

Apr-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 No

Date

 Waste Temperature (Celcius)

Layer 1 Layer 2 Layer 3 Mean Ambient Air Temperature

7/29/02Began Full-Scale Leachate Addition on Layer 2 2/28/03 Began Full-Scale 

Leachate Addition Layer 3

6/19/02Began Full-Scale Leachate Addition on Layer 1
Figure 2. Average temperatures for the west-side cell 

0

1020304050607080

May-02 Aug-02 Nov-02 Feb-03 May-03 Aug-03 Oct-03 Jan-04 Apr-04 Jul-04 Oct-04 

Date

 Waste Temperature (Celcius)

Layer 3 Layer 2 Layer 1 Mean Ambient Air Temperatur

6/5/03Began Full Scale Leachate Addition on Layer 3 and 4

11/25/03Began Full Scale Leachate Addition on Layer 2
Figure 3. Average temperatures for the southeast aerobic cell 

0

1020304050607080

Jul-01 Oct-01 Jan-02 Apr-02 Jul-02 Oct-02 Jan-03 Apr-03 Jul-03 Oct-03 Jan-04 Apr-04 Jul-04 Oct-04 

Date

Waste Temperature (Celcius)

Layer 0.5 Layer 1 Layer 2 Layer 0 Mean Ambient Air Temperature

11/14/03Liquid Nitrogen Injection

11/25/03Began Full-Scale Leachate Addition

9/25/01Waste Placement Completed
Figure 4. Average moisture for each layer on the northeast cell 

0

20406080

100

May-01 Sep-01 Jan-02 May-02 Sep-02 Jan-03 May-03 Sep-03 Jan-04 May-04 Aug-04 Dec-04 Apr-05

Date

Moisture

020406080100

Layer 1 PVC Moisture Sensors Layer 2 PVC Moisture SensorsLayer 2 Gypsum in Plaster Moisture Sensors Layer 2 Gypsum in Soil Moisture SensorsLayer 3 PVC Moisture Sensors

CompleSaturatSome FLiquid

No Free Liquid

2/28/03Began Full-Scale Leachate Addition on Layer 3

7/29/02Began Full-Scale Leachate Addition on Layer 2 

6/19/02Began Full-Scale Leachate Addition on Layer 1
Figure 5. Average moisture for each layer on the west-side cell 

0

20406080

100

May-02 Aug-02 Nov-02 Feb-03 Jun-03 Sep-03 Dec-03 Apr-04 Jul-04 Oct-04 Jan-05

Date

Moisture

Layer 3 Layer 2 Layer 1

6/05/03Began Leachate Addition on Layer 2

11/25/03Began Leachate Addition on Layer 3
0

20406080

100

Aug-01 Dec-01 May-02 Sep-02 Jan-03 Jun-03 Oct-03 Feb-04 Jun-04 Nov-04 Mar-05 Jul-05 

Date

Moisture

Layer 0 Layer 1 Layer 2 Layer 0.5

6/21/02Began Leachate Injection Line Testing 

Figure 6. Average moisture for each layer on the southeast aerobic cell 
0.00

1.002.003.004.005.006.00

Mar-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 

Date

Pressure (Inches of Water)

Tube 4 Tube 5 Tube 6Average, PT-4 Average, PT-5 Average, PT-6FPA Regulatory Requirements

6/19/02Began Leachate Addition in Northeast Anaerobic Cell 

Figure 7. Liquid head on base liner for northeast cell 
0.00

2.004.006.00

Jul-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-0

Date

Pressure (Inches of Water)

Tube 2 Tube 3 Average, Transducer-01Average, Transducer-02 Average, Transducer-03 Tube 1FPA Regulatory Requirements

6/5/03Began Leachate Addition in the West-Side Anaerobic Cell 

Figure 8. Liquid head on base liner for west-side cell 
0.0000

4.00008.0000

12.000016.000020.000024.0000

Feb-02 Jun-02 Sep-02 Jan-03 Apr-03 Aug-03 Dec-03 Mar-04 Jul-04 Oc

Date

Pressure (Inches of Water)

Pressure Transducer-07 Pressure Transducer-08Tube 7 Tube 8FPA Regulatory Requirements

11/25/03Began Full-Scale Leachate Addition

3/6/04PT-8 Sensor Begins Reading Eratically. Sensor to be removed and Tested

Figure 9. Liquid head on southeast aerobic liner 
Figure 10. Average daily leachate recirculated rate for northeast cell 

05

10152025

Jan-02 Apr-02 Aug-02 Nov-02 Feb-03 May-03 Sep-03 Dec-03 Mar-04 Jul-04 Oct-04 Jan

Date

Recirculated Rate (gpm)
Figure 11. Average daily leachate recirculated rate for west-side cell 

-5

05

1015202530354045

Apr-03 Jun-03 Aug-03 Oct-03 Dec-03 Feb-04 Apr-04 Jun-04 Aug-04 Sep-04 Nov-04 

Date

Recirculated Rate (gpm)
Figure 12. Average daily leachate recirculated rate for southeast aerobic cel

0

1020304050607080

Oct-03 Dec-03 Feb-04 Apr-04 Jun-04 Aug-04 Oct-04 Dec-04 Feb-

Date

Average Recirculation Rate (gpm)
0.0

5.0

10.015.020.025.030.035.040.045.0

Nov-01 May-02 Dec-02 Jun-03 Jan-04 Aug

Date

Concentration

pH Temperature C Dissolved Oxygen mg/L Leachate 

Figure 13a. Leachate field parameters for the northeast cell
0

2000400060008000

1000012000140001600018000

Nov-01 May-02 Dec-02 Jun-03 Jan-04 Aug-04 

Date

Concentration

Electrical Conductivity μS Total Dissolved Solids ppm Oxidation Reduction Potentia

Figure 13b. Leachate field parameters for the northeast cell
0

5

101520253035

Jul-01 Feb-02 Sep-02 Mar-03 Oct-03 Apr-04 Nov-04 

Date

Concentration

pH Temperature C Dissolved Oxygen mg/L Leachate Recirc

Figure 14a. Leachate field parameters for the west-side cell 
0

2000400060008000

10000120001400016000

Nov-01 May-02 Dec-02 Jun-03 Jan-04 Aug-04 Fe

Date

Concentration

Electrical Conductivity μS Total Dissolved Solids ppm Oxidation Reducti

Figure 14b. Leachate field parameters for the west-side cell 
0.00

10.0020.0030.0040.0050.0060.00

Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 

Date

Concentration

pH Temperature C Dissolved Oxygen mg/L Leachate Rec

Figure 15a. Leachate field parameters for the southeast aerobic cell
0

5000

10000150002000025000

Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-0

Date

Concentration

Electrical Conductivity μS Total Dissolved Solids ppm Oxidation Redu

 Figure 15b. Leachate field parameters for the southeast aerobic cell 
Figure 16. Profile of leachate total (nonvolatile) organic carbon for the northeast 

0

100200300400500600700800900

1000

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-04 Ma

Date

Total Organic Carbon (mg/L)

Total (Non-Volatile) Organic Carbon Leachate Recirculated
0

100200300400500600700800900

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Total Organic Carbon (mg/L)

Total (Non-Volatile) Organic Carbon Leachate Recirculated

Figure 17. Profile of leachate total (nonvolatile) organic carbon for the west-side 
0

2000400060008000

1000012000

Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 

Date

Total Organic Carbon (mg/L)

Total (Non-Volatile) Organic Carbon mg/L Leachate Recircula

Figure 18. Profile of leachate total (nonvolatile) organic carbon for the southeast aer
0

100200300400500600700800900

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oc

Date

Total Kjeldahl Nitrogen (mg/L)

Total Kjeldahl Nitrogen Leachate Recirculated

Figure 19. Leachate nitrogen profile for the northeast cell
0

100200300400500600700

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oc

Date

Total Kjeldahl Nitrogen (mg/L)

Total Kjeldahl Nitrogen Leachate Recirculated

Figure 20. Leachate nitrogen profile for the west-side cell
0

100200300400500600700800

Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 

Date

Total Kjeldahl Nitrogen (mg/L)

Total Kjeldahl Nitrogen mg/L Leachate Recirculated

Figure 21. Leachate nitrogen profile for the southeast aerobic cell
0

2468

101214161820

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (mg/L)

Nitrate-Nitrite as N Total Phosphorus Leachate Recirculated

Figure 22. Profile of leachate nutrients for the northeast cell 
0

1234567

Jul-01 Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 No

Date

Concentration (mg/L)

Nitrate-Nitrite as N Total Phosphorus Leachate Recirculated

Figure 23. Profile of leachate nutrients for the west-side cell 
0

12345678

Nov-01 Mar-02 Jul-02 Oct-02 Feb-03 Jun-03 Oct-03 Feb-04 Jun-04 O

Date

Concentration

Total Phosphorus mg/L Nitrate-Nitrite as N mg/L Leachate Recirc

Figure 24. Profile of leachate nutrients for the southeast aerobic cell 
0

500

1000150020002500

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oc

Date

Concentration (

μg/L)

Acetone 4-Methyl-2-pentanone (MIBK) Leachate Recirculated

Figure 25a. Northeast cell - Concentration of various VOC’s over time
0

20406080

100120140160

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (

μg/L)

Benzene Methyl-tert-butyl ether (MTBE) Toluene Leachate Re

 Figure 25b. Northeast cell - Concentration of various VOC’s over time
0

200400600800

100012001400

Dec-01 Jul-02 Jan-03 Aug-03 Feb-04 Sep-

Date

Concentration (mg/L)

4-Methyl-2-pentanone (MIBK) Leachate Recirculated

Figure 26a. West-side cell - Concentration of various VOC’s over time 
0

50

100150200250

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oc

Date 

Concentration (

μg/L)

Benzene Methyl-tert-butyl ether (MTBE) Toluene Acetone Leachate 

Figure 26b. West-side cell - Concentration of various VOC’s over time 
0

20406080

100120140

Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 

Date

Concentration

Benzene μg/L Methyl-tert-butyl ether (MTBE) μg/L Toluene μg/L Leach

Figure 27a. Southeast aerobic cell - Concentration of various VOC’s over tim
0

500

10001500200025003000350040004500

Nov-01 Feb-02 May-02 Sep-02 Dec-02 Mar-03 Jun-03 Oct-03 Jan-04 Apr-04 Aug-04 No

Date

Concentration

Acetone μg/L 4-Methyl-2-pentanone (MIBK) μg/L Leachate Recircu

Figure 27b. Southeast aerobic cell - Concentration of various VOC’s over tim
Figure 28a. Profile of leachate dissolved metals for the northeast cell 

0123456

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 Oct-

Date

Concentration (mg/L)

Barium Iron Manganese Nickel Phosphorus
0

500

1000150020002500

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (mg/L)

Calcium Magnesium Potassium Sodium

 Note: 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 cell 
0

0.020.040.060.08

0.1

0.120.140.160.18

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (mg/L)

Arsenic Cobalt Copper Lead Selenium Tin Chromium

Figure 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 S

Date

Change from February 2002 (Percent)

Arsenic Barium Chromium Cobalt Lead Vanad

 Figure 29. Change in dissolved metals concentration relative to initial concentration measured 

the northeast cell
0

5

1015202530

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (mg/L)

Barium Iron Manganese Nickel Phosphorus

Figure 30a. Profile of leachate dissolved metals for the west-side cell 
0

0.020.040.060.08

0.1

0.120.140.160.18

May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (mg/L)

Arsenic Chromium Cobalt Selenium

Figure 30b. Profile of leachate dissolved metals for the west-side cell 
0

200400600800

10001200140016001800

Dec-01 May-02 Oct-02 Mar-03 Aug-03 Jan-04 Jun-04 

Date

Concentration (mg/L)

Calcium Magnesium Potassium Sodium

Figure 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 

Date

Change in Concentration from February 2002 (%)

Arsenic Barium Cobalt Chromium

Figure 31. Change in dissolved metals concentration relative to initial concentration measured i

the west-side cell 
0

1234567

Dec-01 Jul-02 Jan-03 Aug-03 Feb-04 S

Date

Dissolved Metals Concentration (mg/L)

Dissolved Barium Dissolved Nickel Dissolved Phosphorus Dissolved Iron 

Figure 32a. Profile of leachate dissolved metals for the southeast aerobic cel
0

0.10.20.30.40.50.60.70.80.9

Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-0

Date

Concentration

Dissolved Arsenic mg/L Dissolved Chromium mg/L Dissolved Cobalt mg/L 

Figure 32b. Profile of leachate dissolved metals for the southeast aerobic ce
0

500

10001500200025003000

Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-04 D

Date

Concentration

Dissolved Magnesium mg/L Dissolvd Calcium mg/L Dissolved Potassium mg/L D

Figure 32c. Profile of leachate dissolved metals for the southeast aerobic cel
-1000%

0%

1000%2000%3000%4000%5000%6000%7000%8000%9000%

Dec-01 Jul-02 Jan-03 Aug-03 Feb-04 Sep-

Date

Change from February 2002 (%)

Arsenic Barium Chromium Cobalt

Figure 33. Change in dissolved metals concentration relative to initial concentration measured i

the southeast aerobic cell
Figure 34. Landfill gas flow rate and cumulative methane for the northeast ce

0

50

100150200250

Dec-01 Mar-02 Jun-02 Oct-02 Jan-03 Apr-03 Jul-03 Nov-03 Feb-04 May-04 Aug-04 Dec-04 

Date

Landfill Gas Flow Rate (scfm)

Average Flow Rate Cumulative Methane

6/10/02Began Full-Scale Leachate Injection 

3/27/02Began leachate Injection Line Testing 
Figure 35. Landfill gas flow rate and cumulative methane for the west-side ce

0

50

100150200250300350400

May-02 Jul-02 Oct-02 Dec-02 Mar-03 Jun-03 Aug-03 Nov-03 Feb-04 Apr-04 Jul-04 Sep-04 Dec-0

Date

Landfill Gas Flow Rate (scfm)

Landfill Gas Flow Rate Cumulative Methane

10/19/02Completed surface liner installation 

3/13/03Completed West 6-acre area LFG Collection System 

06/05/03Began Full-Scale Leachate Addition
Figure 36. Landfill gas flow rate and cumulative methane for the southeast aerobi

0

102030405060708090

100

Oct-02 Jan-03 Apr-03 Jul-03 Oct-03 Jan-04 Apr-04 Jul-04 Sep-04 Dec-04 

Date

Landfill Gas Flow Rate (scfm)

Average Flow Rate Cumulative Methane
Figure 37. Landfill gas concentrations from gas header line for northeast cel

0

10203040506070

Dec-01 Mar-02 Jul-02 Oct-02 Jan-03 Apr-03 Aug-03 Nov-03 Feb-04 Jun-04 Sep-04 

Date

Landfill Gas Concentration (%)

Methane Carbon Dioxide Oxygen Balance 

3/27/02Began leachate Injection Line 

6/10/02Began Full-Scale Leachate Injection 
Figure 38. Landfill gas concentrations from gas header line for west-side cel

0

1020304050607080

May-02 Jul-02 Oct-02 Dec-02 Mar-03 Jun-03 Aug-03 Nov-03 Feb-04 Apr-04 Jul-04 Sep-04 D

Date

Landfill Gas Composition (Percent)

Methane Carbon Dioxide Oxygen Balance

10/19/02Completed surface liner installation on the west 6-acre area 

06/05/03Began Full-Scale Leachate Addition
Figure 39. Landfill gas concentrations from gas header line for southeast aerobic 

0

1020304050607080

Jan-03 Apr-03 Jul-03 Oct-03 Jan-04 Apr-04 Jul-04 Sep-04 Dec-04 

Date

Landfill Gas Composition (Percent)

Carbon Dioxide Oxygen Balance Methane
Figure 40. Average suction on the northeast cell 

-16-14-12-10

-8-6-4-2

0

Mar-03 May-03 Aug-03 Nov-03 Jan-04 Apr-04 Jul-04 Sep-04 Dec-04 

Date

Suction (inches of water)
Figure 41. Average suction on the west-side cell 

-7-6-5-4-3-2-1

0

Jan-03 May-03 Aug-03 Nov-03 Mar-04 Jun-04 Sep-04 Dec-04 

Date

Suction (Inches of Water)
Figure 42. Average suction on the southeast aerobic cell 

-40-35-30-25-20-15-10

-5

0

Jan-04 Mar-04 Apr-04 Jun-04 Aug-04 Sep-04 Nov-04 Dec-04 Fe

Date

Suction (inches of water)
June 2002

Methane Emissions, ppm

September 2002

Figure 43. Surface emission map for the northeast 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 2003

Methane Emissions, ppm

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

average emissions for the March, April, September, and December surface scans were 0.18, 0.08, 3.

and 0.24 ppm, respectively. Note the color scale for 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 differen

from the other three plots.

Methane Emissions, ppm

September 2003

Methane Emissions, ppm

December 2003
January 2004

Methane 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, April, 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 differen

than the other three plots.
August 2004

November 2004

Methane Emissions, ppm Methane Emissions, ppm

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

weighted average emissions for the January, April, 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 differen

than the other three plots.

0

5

2

2

0

5

2

4

6

8
March 2005

Methane 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

1

1

2

3
Figure 44. 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.

Methane Emissions, ppm

June 2002

April 2002

0

1

10

20

30

40

50
September 2002

Methane 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 2003

Methane Emissions, ppm Methane 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, March, 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 2003

Methane Emissions, ppm Methane 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, March, 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

50
Methane 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, March, 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 December 2003 

is different from the other plots.

0

1

10

50

100

200

300
Methane Emissions, ppm

January 2004

April 2004

Methane 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 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 2004

Methane Emissions, ppm Methane 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 color scale for the August scan is different from th

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

50
Methane Emissions, ppm

March 2005

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

weighted average emissions was 3.97 ppm.

0

1

50

100

250

400

550
Figure 45. Surface emission map for the southeast 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 2002

Methane Emissions, ppm
September 2003

April 2003

Methane Emissions, ppm

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

weighted average emissions for the April, September, and December scan were 0.64 an

0.43, and 1.12 ppm, respectively.
Figure 45 cont. Surface emission map for the southeast cell for 2003, with color scale. The 

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

0.43, and 1.12 ppm, respectively.

December 2003

Methane Emissions, ppm
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

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

January 2004

Methane Emissions, ppm Methane Emissions, ppm

April 2004

0

1

5

1

5

1

1
November 2004

Methane Emissions, ppm Methane 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 7.88 pp

respectively. Note they all have different color scales. 
Figure 46. Graph of the average methane emissions detected from the west-side cell as a func

vacuum applied by the LFG extraction system 

02468

1012

0 0.5 1 1.5 2 2.5 3 

Average Vacuum Applied by the LFG Extraction System (Inches of Water)

Average Emissions Detected (ppm) Lower emissions were 

detected in the earlier stages of waste placement.
0

20406080

100

0 5 10 15 20 25 3

Waste Sample Depth (feet)

BMP (ml CH4/gm) 

1st Sampling 2nd Sampling, North 2nd Sampling, South 3rd Sampling, North 3

 Figure 47. Graph of the biochemical methane potential from waste sampling performed on t
Figure 48. Graph of the biochemical methane potential from waste sampling performed on th

0

20406080

100120

0 5 10 15 20 25 30 35 40 

Waste Sample Depth (feet)

 BMP (ml CH4/gm) 

1st Sampling 2nd Sampling, North 2nd Sampling, South 3rd Sampling, North 3rd Sam
0

102030405060

0 5 10 15 20 

Waste Sample Depth (feet)

BMP (ml CH4/gm) 

1st Sampling 2nd Sampling 3rd Sampling, South 3rd Sampling, East 3

Figure 49. Graph of the biochemical methane potential from waste sampling performed on the so
0.00

0.501.001.502.002.503.003.504.004.505.00

8 13 18 23 28 

Waste Sample Depth (ft)

(C+H)/L ratio

1st Sampling 2nd event, North 2nd Event, South 3rd Sampling, North 3rd Sam

 Figure 50. Comparison of (cellulose + hemicellulose)/lignin ratios for the northea
0.00

1.002.003.004.005.006.00

8 13 18 23 28 33 38 

Waste Sample Depth (ft)

(C+H)/L ratio

1st Sampling 2nd Sampling, North 2nd Sampling, South 3rd Sampling, North 3rd Sa

Figure 51. Comparison of (cellulose + hemicellulose)/lignin ratios for the west-sid
0.00

0.501.001.502.002.503.003.50

8 13 18 23

Waste Sample Depth (ft)

(C+H)/L ratio

1st Sampling 2nd event 3rd Event, East 3rd Sampling, West 3rd Sampling

Figure 52. Comparison of (cellulose + hemicellulose)/lignin ratios for the southeast ae