Processing

174 Leaker Emission Factors - Reciprocating Compressor Components, Gas Service

81 Valve 69 Connector 12 Open-ended Line

1 Pressure Relief Valve 1 Meter 30 Leaker Emission Factors - Centrifugal Compressor Components, Gas Service

18 Valve 11 Connector

1 Open-ended Line Dry Seal Leaker Emission Factors - Other Components, Gas Service 216 Valve 121 Connector

33 Open-ended Line

2 Pressure Relief Valve 2 Meter

AFTER Processing Leaker Emission Factors - Reciprocating Compressor Components, Gas Service BD CCV Connector CS Meter OEL PRV Valve Leaker Emission Factors - Centrifugal Compressor Components, Gas Service Connector CS OEL Valve Leaker Emission Factors - Other Components, Gas Service BD Connector CS Meter OEL PRV Pump Seal Valve 

### TABLE W-2 OF SUBPART W - DEFAULT METHANE EMISSION FAC TBEFORE Processing Leaker Emission Factors - Reciprocating Compressor Components, Gas Service BD CCV Connector CS Meter OEL PRV Valve Leaker Emission Factors - Centrifugal Compressor Components, Gas Service Connector CS OEL Valve Leaker Emission Factors - Other Components, Gas Service BD Connector CS Meter OEL PRV Pump Seal Valve

Transmission
Counts Leaker Emission Factors - All Components, Gas Service Connector

245 Block Valve

40 Control Valve

75 Compressor Blowdown Valve Pressure Relief Valve

21 Orifice Meter

7 Other Meter

21 Regulator Open-ended Line

Underground Storage 

### T ABLE 

### W-3 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CTO



### T ABLE 

### W-4 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CTORS F OLeaker Emission Factors - Storage Station, Gas Service Connector Block Valve Control Valve Compressor Blowdown Valve Pressure Relief Valve Orifice Meter Other Meter Regulator Open-ended Line

Distribution Leaker Emission Factors - Above Grade M&R Stations Components, Gas Service Connector Block Valve Control Valve Pressure Relief Valve Orifice Meter Other Meter Regulator Open-ended Line 

### T ABLE 

### W-7 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CT OEmission Factor (scf/hour/component)

13.47

8.48 16.57 28.45 33.88

1.90 2.36 8.86

4.52 4.26 22.81 12.90

2.25

Emission Factor (scf/hour/component)

1.220738 2.412833333 0.233553311 2.136078756 0.8130003 0.347061517 0.682754 0.359075412

0.06337029 2.072546 0.3389953 0.056866231

0.127054292

0.1618622 0.333080882

0.167246358 

### T ORS FOR PROCESSINGEmission Factor (scf/hour/component)

3.751668 0.615785631 0.090572448

6.49456992

0.48965335

0.155282436

0.0439704 0.793016933

0.012612378

0.0017336 0.101462499 0.2920328 0.003651067 0.194765717 0.0422368

0.006698 0.115915523

Emission Factor (scf/hour/component)

0.96 2.02 3.94 66.15 19.80

0.46 0.01 1.03 6.01

Emission Factor (scf/hour/component) O RS FOR 

### T RANSMISSION

O R 

### U NDERGROUND 

### S TORAGE0.96 2.02 3.94 66.15 19.80

0.46 0.01 1.03 6.01

Emission Factor (scf/hour/component)

0.67 1.49 3.94 5.24 0.46 0.01 2.14 6.01 O RS FOR 

### D ISTRIBUTIONProcessing Leaker Emission Factors - Compressor Components, Gas Service Valve Connector Open-ended Line Pressure Relief Valve Meter Dry Seal Leaker Emission Factors - Other Components, Gas Service Valve Connector Open-ended Line Pressure Relief Valve Meter

Processing Leaker Emission Factors - Compressor Components, Gas Service BD CCV Connector CS Meter OEL PRV ValveProcessing Leaker Emission Factors - Compressor Components, Gas Service BD CCV Connector CS Meter OEL PRV Valve

Transmission Leaker Emission Factors - All Components, Gas Service Valve Connector Open-ended Line Pressure Relief Valve MeterEmission Factor (scf/hour/component)

11.77

7.58 15.44 28.45 33.88

4.52 4.26 22.81 12.90

2.25

Emission Factor (scf/hour/component)

1.220738 2.412833333 0.213652877 2.133809729 0.8130003 0.346139664 0.682754 0.30996642Emission Factor (scf/hour/component)

3.751668 0.615785631 0.234910356 5.544311089

0.48965335

0.120578908

Emission Factor (scf/hour/component)

2.02 0.96 6.01 19.80

0.35

# Hydrocarbon Emission Factors

Centrifugal Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 2.1 0.7 2.5 2.5 Connector 2.7 2.3 2.8 3.4 Open-ended Line 15.1 - 15.1 17.6 Pressure Relief Valve - - - - Mete r
- - - -



### Reciprocating Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 14.4 8.2 15.7 18.99 Connector 9.2 4.8 10.4 7.92 Open-ended Line 18.4 25.9 14.5 5.74 Pressure Relief Valve 30.5 - 30.5 - Mete r 36.3 - 36.3 36.18



### A ll Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 16.5 8.9 18.3 17.9 Connector 11.9 7.1 13.2 7.7 Open-ended Line 33.5 25.9 29.6 6.6 Pressure Relief Valve 30.5 - 30.5 - Mete r 36.3 - 36.3 36.2



### Non-Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 6.5 6.0 7.5 6.3 Connector 5.4 5.3 5.7 5.9 Condensed Categories

(scf/hr) Clearstone I Condensed Categories

(scf/hr) Clearstone I Condensed Categories

(scf/hr) Clearstone I

Condensed Categories

(scf/hr) Clearstone IOpen-ended Line 10.7 9.8 14.0 11.7 Pressure Relief Valve 2.2 2.2 - 1.2 Mete r 3.7 0.2 7.2 2.5Before De-Methanizer After De-Methanizer

- 2.5 13.2

- 3.4 0.6

- 17.6 -

- - -

- - -

Before De-Methanizer After De-Methanizer 18.34 19.19 7.0 4.01 8.58 9.0 5.12 5.95 26.1

- - - 0.02 72.34 -

Canada 1998

Before De-Methanizer After De-Methanizer Transmission

18.3 17.8 11.1 7.7 4.0 8.3 2.9 8.3 5.1 7.0 23.1 26.1

- - 39.8 - 0.02 72.3 14.1 -

Canada 1998

Before De-Methanizer After De-Methanizer Distribution

6.1 6.9 0.7 1.3 6.4 4.4 2.3 0.4 Clearstone II (2006) Gathering Compressor

Stations

Clearstone II (2006) Gathering Compressor

Stations

Clearstone II (2006) Gathering Compressor Stations

Clearstone II (2006) Gathering Compressor Stations Clearstone II

Clearstone II Clearstone II Clearstone II9.0 21.5 28.0 2.1 1.2 - 0.3 - 1.0 4.1 0.2 -All Processing Before De-Methanizer After De-Methanizer Valve 2.2 - 2.5 Connector 3.0 - 3.1 Open-ended Line 16.2 - 16.2 Pressure Relief Valve - - - Mete r
-- -

All Processing Before De-Methanizer After De-Methanizer Valve did not pass t-test 15.9 18.1 Connector 8.3 4.3 9.1 Open-ended Line 12.6 17.9 10.3 Pressure Relief Valve - - - Mete r 36.2 - 48.3

All Processing Before De-Methanizer After De-Methanizer Valve 17.4 15.5 17.9 Connector 9.1 5.4 9.8 Open-ended Line 21.2 17.9 18.6 Pressure Relief Valve Mete r 36.2

All Processing Before De-Methanizer After De-Methanizer Valve 6.4 6.1 7.2 Connector 5.7 5.9 5.0 Combined Clearstone (scf/hr) Clearstone I (2002) v. Clearstone II (2006)

Combined Clearstone (scf/hr) Clearstone I (2002) v. Clearstone II (2006) Combined Clearstone (scf/hr) Clearstone I (2002) v. Clearstone II (2006) Combined Clearstone (scf/hr) Clearstone I (2002) v. Clearstone II (2006)Open-ended Line 11.3 9.4 18.2 Pressure Relief Valve 2.0 2.0 Mete r 2.9 0.7 5.1

## Clearstone II (March 2006) Last Updated

Processing THC Emissions Average (scf/hr) Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 91.40636936 0 91.40636936 Connector 4.009609428 0 4.009609428 Meter 0.017655367 0 0.017655367 OEL 5.117177527 0 5.117177527 Other 0 0 0 PRV 0 0 0 Pump seal 0 0 0 Valve 18.33759508 0 18.33759508

Processing Component Counts Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 33 0 33 Connector 93 0 93 Meter 1 0 1 OEL 10 0 10 Other 0 0 0 PRV 0 0 0 Pump seal 0 0 0 Valve 175 0 175

Processing THC Emissions Average (scf/hr) A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 135.5768711 0 135.5768711 Connector 8.575439746 3.437296363 8.305011147 Meter 72.34155439 0 72.34155439 OEL 5.94696945 17.57569818 7.004126608 Other 0.017655367 0 0.017655367 PRV 0 0 0 Pump seal 0 0 0 Valve 19.18597388 2.49033234 17.77918691

Processing Component Counts A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 66 0 66 Connector 558 31 589 Meter 1 0 1 OEL 30 3 33 Other 2 0 2 PRV 0 0 0 Pump seal 0 0 0Valve 576 53 629



## Canadian Data (CEPEI Fugitive Emissions Data)

Distribution CH4 Emissions Average (scf/hr)

Leaker Factors for Gate Stations THC Leaker Component Leaker Count Factors (scf/hr) BD 0 0 C 37 2.429674054 CONT 4 26.41461451 CSC 0 0 CSR 0 0 CV 17 10.00025415 OEL 5 27.9778267 OM 4 0.226729139 OTHER 0 0 PRV 6 0.254333847 REG 5 0.992096691 V 26 0.687145097

Leaker Factors for District Regulating Stations THC Leaker Component Leaker Count Factors (scf/hr) BD 0 0 C 3 0.201863536 CONT 0 0 CSC 0 0 CSR 0 0 CV 0 0 OEL 0 0 OM 0 0 OTHER 0 0 PRV 2 0.520905595 REG 0 0 V 1 0.047713199



## Clearstone I

Processing CH4 Emissions Average (scf/hr) Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors BD 198.38 - 198.38CCV 32.56 - 32.56 Connector 4.79 2.33 7.11 CS 343.41 41.93 385.34 Meter - - - OEL 25.89 - 25.89 PRV - - - Pump Seal - - - Valve 8.21 0.67 8.88

Processing CH4 Emissions Average (scf/hr) A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors BD 54.46 - 54.46 CCV 107.64 - 107.64 Connector 10.42 2.83 13.25 CS 95.29 92.46 187.75 Meter 36.27 - 36.27 OEL 14.48 15.12 29.61 PRV 30.46 - 30.46 Valve 15.72 2.54 18.26

Processing CH4 Emissions Average (scf/hr) A LL Reciprocating Centrifugal ALL Component Compressors Compressors Compressors BD 126.42 - 126.42 CCV 46.64 - 46.64 Connector 9.24 2.66 11.90 CS 183.91 54.56 238.47 Meter 36.27 - 36.27 OEL 18.37 15.12 33.49 PRV 30.46 - 30.46 Pump Seal - - - Valve 14.42 2.06 16.48



## Clearstone I

Reciprocating Centrifugal ALL Processing EFs Compressors Compressors Compressors Valve 18.33759508 0 18.33759508 Connector 4.009609428 0 4.009609428 Open-ended Line 5.117177527 0 5.117177527Pressure Relief Valve 0 0 0 Mete r 0.017655367 0 0.017655367

Transmission EFs Clearstone II Canadian Data Valve 7.690314223 11.13798666 Connector 8.315149956 2.865502443 Open-ended Line 26.06163388 23.06396484 Pressure Relief Valve 0 39.81932875 Mete r 0 14.13086582

### 12/17/2009

r Gathering and Boosting THC Emissions Avera g Non- Grand Total Reciprocating Compressor Component Compressors 0 91.40636936 Compressor seal 44.70341938 6.391683707 5.970518482 Connector 9.002470664 1.019795234 0.876632396 OEL 26.06163388 9.011510588 8.592765098 Other 1659.557503 0 0 Valve 7.046071655 1.237497258 1.237497258 0 0 6.098436237 9.319267511

r Gathering and Boosting Component Counts Non- Grand Total Reciprocating Compressor Component Compressors 0 33 Compressor seal 44 433 526 Connector 79 6 7 OEL 10 83 93 Other 1

0 0 Valve 102 2 2 0 0 490 665

Processing THC Emissions Average (scf/hr) Non- Grand Total Reciprocating Compressor Component Compressors 0 135.5768711 Compressor seal 120.8533705 4.403711266 7.613020805 Connector 7.923178272 4.071345597 13.82423257 Meter 36.17960488 21.50876356 12.96138821 OEL 5.739521469 0 0.017655367 Other 0.017655367 0 0 PRV 0 44.97189699 44.97189699 Pump seal 0 6.908455658 14.96227186 Valve 18.98828241

Processing Component Counts Non- Grand Total Reciprocating Compressor Component Compressors 0 66 Compressor seal 99 127 716 Connector 651 6 7 Meter 2 23 56 OEL 40

0 2 Other 2 0 0 PRV 0 5 5 Pump seal 0220 849 Valve 751

Transmission CH4 Emissions Average (scf/hr)

Leaker factor for Compressor Stations (scf/hr)

Component Leaker Count BD 58 C 859 CONT 14 CSC 45.5 CSR 35 CV 39 OEL 72 OM 12 OTHER 1 PRV 59 REG 27 V 235

Leaker factor for Storage Stations (scf/hr)

Component Leaker Count BD 0 C 9 CONT 1 CSC 0 CSR 1 CV 1 OEL 1 OM 0 OTHER 0 PRV 10 REG 0 V 1

r Processing Component Counts Non- Reciprocating Compressor Component Compressors 0.09 BD 1- CCV 13 5.33 Connector 58 15.44 CS 15 0.19 Meter - 9.84 OEL 16 2.23 PRV - 0.35 Pump Seal - 6.05 Valve 56

Processing Component Counts Non- Reciprocating Compressor Component Compressors

- BD 1

- CCV 3 5.67 Connector 219

- CS 27 7.22 Meter 2 14.03 OEL 31

- PRV 1 7.46 Valve 268

Processing Component Counts Non- Reciprocating Compressor Component Compressors 0.09 BD 2

- CCV 16 5.42 Connector 277 15.44 CS 42 3.71 Meter 2 10.72 OEL 47 2.23 PRV 1 0.35 Pump Seal - 6.50 Valve 324

Non- Processing Reciprocating Compressor Comp Counts Compressors 6.098436237 Valve 175 6.391683707 Connector 93 9.011510588 Open-ended Line 101.237497258 Pressure Relief Valve 0 1.019795234 Mete r 1

Transmission Comp Cou n Clearstone II Valve 114 Connector 86 Open-ended Line 10 Pressure Relief Valve 0 Mete r 0g e (scf/hr) Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 17.02409315 40.90429618 0 40.90429618 0.558244821 8.315149956 0.365706335 7.638601563 0 26.06163388 2.122063398 23.88530929 0 1659.557503 0 1659.557503 13.16637605 7.690314223 1.334763753 7.273556815

Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 7 51 0 51 7 86 8 94 0 10 1 11 0101 12 114 8 122

ALL Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 0 120.8533705 0 120.8533705 3.437296363 7.719274549 5.940839957 6.917403879 0 36.17960488 2.545570415 7.350432482 17.57569818 6.56530124 11.72317869 10.23466372 0 0.017655367 0 0.017655367 0 0 1.237497258 1.237497258 0 0 44.97189699 44.97189699 2.49033234 17.90073098 6.34942817 12.48367352

ALL Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 0 99 0 99 31 682 560 1242

0 2 12 14 3 43 106 149 0202 0022 005553 804 710 1514

THC Leaker Factors (scf/hr) 581.9097218 2.865502443 10.60842583 218.8089602 229.3423887 3.684069344 23.06396484 15.30259736 0.070087354 39.81932875 10.43919821 11.13798666

THC Leaker Factors (scf/hr) 0 0.596249055 1.630343125 0 37.46864805 0.171807459 53.09947139 0 0 33.10802851 0 0.946768765

Before De-MethanizerCentrifugal ALL NonCompressors Compressors Compressor

- 1 1- 13 - 15 73 333 3 18 2

- - 3

- 16 68

- - 7

- - 1 18 74 442

After De-Methanize rCentrifugal ALL NonCompressors Compressors Compressor

- 1 -

- 3 - 29 248 111 1 28 -

- 2 3 4 35 18

- 1 - 52 320 212

ALLCentrifugal ALL NonCompressors Compressors Compressor

- 2 1

- 16 - 44 321 444 4 46 2

- 2 6 4 51 86

- 1 7

- - 1 70 394 654

Centrifugal ALL NonCompressors Compressors Compressor 0 175 490 0 93 433 0 10 83002 016

Canadian Data 235 859

72 59 13

# Overall Gas Emission Factors

Centrifugal Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 2.4 Connector 3.4 Open-ended Line 16.1 Pressure Relief Valve - Mete r
-



### Reciprocating Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 17.2 Connector 7.5 Open-ended Line 5.2 Pressure Relief Valve - Mete r 35.3



### All Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 16.21 Connector 7.29 Open-ended Line 5.94 Pressure Relief Valve - Mete r 35.26



### Non-Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 5.47 Condensed Categories Clearstone I Condensed Categories Clearstone I

Condensed Categories Clearstone I

Condensed Categories Clearstone IConnector 4.95 Open-ended Line 10.26 Pressure Relief Valve 1.00 Mete r 2.40Before De-Methanizer After De-Methanizer

- 2.4

- 3.4

- 16.1

- -

- -

Before De-Methanizer After De-Methanizer 34.5 17.9 2.0 8.2 3.5 5.5

- - 0.02 70.5

Canada 1998

Before De-Methanizer After De-Methanizer Transmission

34.45 16.64 1.99 7.94 3.49 6.50

- - 0.02 70.51

Canada 1998

Before De-Methanizer After De-Methanizer Distribution

4.73 6.71

Clearstone II Clearstone II

Clearstone II

Clearstone II13.53 4.29 5.11 20.97

- - 2.23 3.99

## Clearstone II (March 2006) Last Updated

Processing CH4 Emissions Average (scf/hr) Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 150.0396398 0 150.0396398 Connector 1.992287135 0 1.992287135 Meter 0.018047356 0 0.018047356 OEL 3.485548628 0 3.485548628 Other 0 0 0 PRV 0 0 0 Pump seal 0 0 0 Valve 34.4517912 0 34.4517912

Processing Component Counts Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 33 0 33 Connector 93 0 93 Meter 1 0 1 OEL 10 0 10 Other 0 0 0 PRV 0 0 0 Pump seal 0 0 0 Valve 175 0 175

Processing CH4 Emissions Average (scf/hr) A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 128.3091013 0 128.3091013 Connector 8.189718831 3.355285995 7.935274998 Meter 70.50827178 0 70.50827178 OEL 5.540630612 16.14834728 6.504968491 Other 0.017266678 0 0.017266678 PRV 0 0 0 Pump seal 0 0 0 Valve 17.94256951 2.427232144 16.63523584

Processing Component Counts A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 66 0 66 Connector 558 31 589 Meter 1 0 1 OEL 30 3 33 Other 2 0 2 PRV 0 0 0 Pump seal 0 0 0Valve 576 53 629

### 12/21/2009

r Gathering and Bo o Non- Grand Total Compressor Component 0 150.0396398 Compressor seal 13.52806279 12.33470669 Connector 2.226948328 1.122497842 OEL 5.110692272 4.907549316 Other 0 0 Valve 0 0 0 0 4.729572109 19.33297455

r Gathering and Bo o Non- Grand Total Compressor Component 0 33 Compressor seal 433 526 Connector 6 7 OEL 83 93 Other

0 0 Valve 2 2 0 0 490 665

Processing CH4 E Non- Grand Total Compressor Component 0 128.3091013 Compressor seal 4.286696087 7.288110861 Connector 3.986907578 13.48995961 Meter

20.9669997 12.44473131 OEL 0 0.017266678 Other 0 0 PRV 44.81948591 44.81948591 Pump seal 6.705736641 14.06222073 Valve

Processing Comp o Non- Grand Total Compressor Component 0 66 Compressor seal 127 716 Connector 6 7 Meter 23 56 OEL

0 2 Other 0 0 PRV 5 5 Pump seal220 849 Valveo sting CH4 Emissions Average (scf/hr) Reciprocating Centrifugal A LL Non- Grand Total Compressors Compressors Compressors Compressor 36.78494791 16.25966586 33.96775233 0 33.96775233 8.403505028 0.533124015 7.76289262 0.32897525 7.130218802 21.49598465 0 21.49598465 2.026777079 19.72605669 1496.258441 0 1496.258441 0 1496.258441

6.20993638 12.57447503 6.879887817 1.085788523 6.49994688

o sting Component Counts Reciprocating Centrifugal A LL Non- Grand Total Compressors Compressors Compressors Compressor 44 7 51 0 51 79 7 86 8 94 10 0 10 1 11

1 0101 102 12 114 8 122

E

missions Average (scf/hr) A LL Reciprocating Centrifugal A LL Non- Grand Total Compressors Compressors Compressors Compressor 109.9940391 0 109.9940391 0 109.9940391 7.475201457 3.355285995 7.287932572 4.945302828 6.231674394 35.26135392 0 35.26135392 2.39991882 7.094409548 5.169528148 16.14834728 5.935492273 10.25672465 9.009657588 0.017266678 0 0.017266678 0 0.017266678 0 0 0 1.003257155 1.003257155 0 0 0 44.81948591 44.81948591 17.17941173 2.427232144 16.20694218 5.472359742 11.17289097

o nent Counts A LL Reciprocating Centrifugal A LL Non- Grand Total Compressors Compressors Compressors Compressor 99 0 99 0 99 651 31 682 560 1242 2 0 2 12 14 40 3 43 106 149

2 0202 0 0022 0 0055751 53 804 710 1514Processing Leaker Emission Factors - Reciprocating Compressor Components, Gas Service Valve Connector Open-ended Line Pressure Relief Valve Meter Leaker Emission Factors - Centrifugal Compressor Components, Gas Service Valve Connector Open-ended Line Dry Seal Leaker Emission Factors - Other Components, Gas Service Valve Connector Open-ended Line Pressure Relief Valve Meter Population Emission Factors - Other Components, Gas Service Gathering Pipelines 1

1 Emission Factor is in units of "scf/hour/mile", reporter to use Equation W-XXXX

Tranmission Leaker Emission Factors - All Components, Gas Service Connector Block Valve Control Valve Compressor Blowdown Valve Pressure Relief Valve Orifice Meter Other Meter Regulator Open-ended Line Population Emission Factors - Other Components, Gas Service Low-Bleed Pneumatic Device Vents Gathering Pipelines 1

1 Emission Factor is in units of "scf/hour/mile"

Onshore production Population Emission Factors - All Components, Gas Service Valve Connector 

### T ABLE 

### W-1 OF 

### S UBPART 

### W - 

### D EFAULT 

### N ATURAL 

### G AS 

### E MISSION 

### F A CTOR S 

### T ABLE 

### W-2 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CT O



### T ABLE 

### W-3 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CT OOpen-ended Line Pressure Relief Valve Low-Bleed Pneumatic Device Vents Gathering Pipelines 1
CBM Well Water Production 2 Compressor Starter Gas Vent Conventional Gas Well Completion 3
Conventional Gas Well Workover 4 Population Emission Factors - All Components, Light Crude Service 5 Valve Connector Open-ended Line Pump Other Population Emission Factors - All Components, Heavy Crude Service 6 Valve Flange Connector (other) Open-ended Line Other

1 Emission Factor is in units of "scf/hour/mile"

3 Emission Factor is in units of "scf/completion"

4 Emission Factor is in units of "scf/workover"

5 Hydrocarbon liquids greater than or equal to 20  ̊ API are considered "light crude"
6 Hydrocarbon liquids less than 20  ̊ API are considered "heavy crude"

Underground Storage Leaker Emission Factors - Storage Station, Gas Service Connector Block Valve Control Valve Compressor Blowdown Valve Pressure Relief Valve Orifice Meter Other Meter Regulator Open-ended Line Population Emission Factors - Storage Wellheads, Gas Service Connector Valve Pressure Relief Valve Open-ended Line Population Emission Factors - Other Components, Gas Service Low-Bleed Pneumatic Device Vents 2 Emission Factor is in units of "scf methane/gallon", in this case the operating facto by methane content



### T ABLE 

### W-4 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CTORS F OLNG Storage Leaker Emission Factors - LNG Storage Components, LNG Service Valve Pump Seal Connector Other Population Emission Factors - LNG Storage Compressor, Gas Service Vapor Recovery Compressor

LNG Terminals Leaker Emission Factors - LNG Storage Components, LNG Service Valve Pump Seal Connector Other Population Emission Factors - LNG Storage Compressor, Gas Service Vapor Recovery Compressor

Distribution Leaker Emission Factors - Above Grade M&R Stations Components, Gas Service Connector Block Valve Control Valve Pressure Relief Valve Orifice Meter Other Meter Regulator Open-ended Line Population Emission Factors - Below Grade M&R Stations Components, Gas Ser v Below Grade M&R Station, Inlet Pressure > 300 psig Below Grade M&R Station, Inlet Pressure 100 to 300 psig Below Grade M&R Station, Inlet Pressure < 100 psig Population Emission Factors - Gathering Pipelines, Gas Service Gathering Pipelines 2 Population Emission Factors - Distribution Mains, Gas Service 3 Unprotected Steel Protected Steel Plastic 

### T ABLE 

### W-5 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CT O



### T ABLE 

### W-6 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CTO R



### T ABLE 

### W-7 OF 

### S UBPART 

### W - 

### D EFAULT 

### M ETHANE 

### E MISSION 

### F A CT OCast Iron Population Emission Factors - Distribution Services, Gas Service 3 Unprotected Steel Protected Steel Plastic Copper

1 Emission Factor is in units of "scf/hour/station"

2 Emission Factor is in units of "scf/hour/mile"
3 Emission Factor is in units of "scf/hour/service"

Gas Flaring

Population Emission Factors - Gas Flaring Gas Production Sweet Gas Processing Sour Gas Processing Conventional Oil Production 1 Heavy Oil Production 2

1 Emission Factor is in units of "metric tons/barrel conventional oil production"

2 Emission Factor is in units of "metric tons/barrel heavy oil production" 

### T ABLE 

### W-8 OF 

### S UBPART 

### W - 

### D EFAULT 

### N ITROUS 

### O XIDE 

### E MISSION 

### F AInitial Re-proposal Emission Factor (scf/hour/component) Revised Emission Factor ( scf/hour/com p onent )

13.47

8.48 16.57 28.45 33.88

1.90 2.36 8.86

4.52 4.26 22.81 12.90

2.25

2.81

Initial Re-proposal Emission Factor (scf/hour/component) Revised Emission Factor ( scf/hour/com p onent )

0.96 2.02 3.94 66.15 19.80

0.46 0.01 1.03 6.01

2.57 2.62

Emission Factor (scf/hour/component)

0.08 0.01 S FOR 

### O NSHORE 

### P RODUCTION O RS FOR 

### P ROCESSING

O RS FOR 

### T RANSMISSION0.04 0.17 2.75 2.81 0.11 1.22 46,510

3,114

0.11 0.01 0.10 0.03 0.64

0.001 0.002 0.001

0.01 0.01

Emission Factor (scf/hour/component)

0.96 2.02 3.94 66.15 19.80

0.46 0.01 1.03 6.01

0.01 0.10 0.17 0.03

2.57 o r is "gallons/year" and do not multiply

O R 

### U NDERGROUND 

### S TORAGEEmission Factor (scf/hour/component)

1.19 4.00 0.34 1.77

6.81

Emission Factor (scf/hour/component)

1.19 4.00 0.34 1.77

6.81

Emission Factor (scf/hour/component)

0.67 1.49 3.94 5.24 0.46 0.01 2.14 6.01

v ice 1
1.30 0.20 0.10

2.62

12.58

0.35 1.13 O RS FOR 

### LNG S TORAGE

R S FOR 

### LNG T ERMINALS

O RS FOR 

### D ISTRIBUTION27.25

0.19 0.02 0.001

0.03

Emission Factor (metric tons/MMcf gas production or receipts)

5.9 × 10-7 7.1 × 10-7 1.5 × 10-6 1.0 × 10-4 7.3 × 10-5 A CTORS FOR 

### G AS 

### F LARING 2004 API Compendium, Table 4-7, page 4-30Processing1Before De-MethanizerEmission Factor(scf/hour/component)After De-MethanizerEmission Factor(scf/hour/component)Leaker Emission Factors - Reciprocating Compressor Components, Gas ServiceValve15.88 18.09Connector4.31 9.10Open-ended Line17.90 10.29Pressure Relief Valve2.01 30.46Meter0.02 48.29Leaker Emission Factors - Centrifugal Compressor Components, Gas ServiceValve0.67 2.51Connector2.33 3.14Open-ended Line17.90 16.17Leaker Emission Factors - Other Components, Gas Service2ValveConnectorOpen-ended LinePressure Relief ValveMeterPopulation Emission Factors - Other Components, Gas ServiceGathering Pipelines31Leaker emission factors from Clearstone (2002) and Clearstone (2005) reports2These leaker emission factors apply to the entire processing sector and are given in scf/hour/components3Emission Factor is in units of "scf/hour/mile", reporter to use Equation W-XXXXTranmissionEmission Factor(scf/hour/component)Leaker Emission Factors - All Components, Gas ServiceConnector2.7Block Valve10.4Control Valve3.4 105Compressor Blowdown Valve543.5Pressure Relief Valve37.2Orifice Meter14.3Other Meter0.1Regulator9.8Open-ended Line21.5Population Emission Factors - Other Components, Gas ServiceLow-Bleed Pneumatic Device Vents2.57Gathering Pipelines12.621Emission Factor is in units of "scf/hour/mile"TABLEW-3OFSUBPARTW-DEFAULTMETHANEEMISSIONFACTORS FORTRANSMISSIONTABLEW-2OFSUBPARTW- TOTALHYDROCARBONEMISSIONFACTORS FORPROCESSING6.425.7111.272.012.932.81

# Methane Gas Emission Factors

Centrifugal Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 1.9 0.5 2.4 2.4 Connector 2.4 1.8 2.6 3.4 Open-ended Line 14.1 - 14.1 16.1 Pressure Relief Valve - - - - Mete r
- - - -



### Reciprocating Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 13.5 6.5 15.0 17.18 Connector 8.5 3.8 9.7 7.48 Open-ended Line 16.6 20.4 14.5 5.17 Pressure Relief Valve 28.4 - 28.4 - Mete r 33.9 - 33.9 35.26



### A ll Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 11.4 5.0 12.9 16.2 Connector 7.6 3.4 8.9 7.3 Open-ended Line 16.4 20.4 14.4 5.9 Pressure Relief Valve 28.4 - 28.4 - Mete r 33.9 - 33.9 35.3



### Non-Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 5.5 4.8 7.0 5.5 Connector 4.5 4.2 5.3 4.9 C

C

C

C Condensed Categories

(scf/hr) Clearstone I (2002)

Condensed Categories

(scf/hr) Clearstone I (2002) Clearstone I (2002) Condensed Categories

(scf/hr)

Condensed Categories

(scf/hr) Clearstone I (2002)Open-ended Line 9.3 8.1 13.9 10.3 Pressure Relief Valve 1.8 1.8 - 1.0 Mete r 3.4 0.2 6.7 2.4

Annomalies - Clearstone II (After De-Methanizer) Open Ended Lines: centrifugal is greater than recip r - Clearstone II (Before De-Methanizer) Connectors: non-compressor is greater than com p - Clearstone II (Before De-Methanizer) Meters: non-compressor is greater than compres s - Clearstone II (After De-Methanizer) Open Ended Lines: non-compressor is greater thanBefore De-Methanizer After De-Methanizer

- 2.4 12.6

- 3.4 0.5

- 16.1 -

- - -

- - -

Before De-Methanizer After De-Methanizer 14.67 17.94 6.2 3.19 8.19 8.4 4.06 5.54 21.5

- - - 0.01 70.51 -

Canada 1998/2007

Before De-Methanizer After De-Methanizer Transmission

14.7 16.6 10.4 6.9 3.2 7.9 2.7 7.8 4.1 6.5 21.5 21.5

- - 37.2 - 0.01 70.5 13.2 -

Canada 1998/2007

Before De-Methanizer After De-Methanizer Distribution

4.9 6.7 0.6 1.1 5.1 4.3 2.1 0.3

Clearstone II (2006) Gathering Compressor Stations

Clearstone II (2006) Gathering Compressor Stations

Clearstone II (2006) Gathering Compressor Stations

Clearstone II (2006) Gathering Compressor Stations learstone II (2006)

learstone II (2006)

learstone II (2006)

learstone II (2006)7.3 21.0 26.1 2.0 1.0 - 0.3 - 0.8 4.0 0.2 -

rocating because there are only three data points for centrifugal compressors. pressor emissions because molecular sieve, NRU, and Amine building emissions are large.

s or emissions because there is only one compressor data point and four non-compressor data points.

n compressor emissions because there are some large emissions from generators and flare vents.All Processing Before De-Methanizer After De-Methanizer Valve 2.1 - 2.4 Connector 2.8 - 3.0 Open-ended Line 15.0 - 15.0 Pressure Relief Valve - - - Mete r
-- -

All Processing Before De-Methanizer After De-Methanizer Valve 16.1 12.7 17.0 Connector 7.8 3.4 8.6 Open-ended Line 16.3 26.2 10.4 Pressure Relief Valve - - - Mete r 34.6 - -

All Processing Before De-Methanizer After De-Methanizer Valve 14.6 11.8 15.4 Connector 7.4 3.3 8.2 Open-ended Line 16.2 26.2 10.9 Pressure Relief Valve - - - Mete r 34.6 - -

All Processing Before De-Methanizer After De-Methanizer Valve 5.5 4.9 6.8 Connector 4.8 4.8 4.8 Clearstone I (2002) v. Clearstone II (2006) Clearstone I (2002) v. Clearstone II (2006)

Combined Clearstone (scf/hr) Clearstone I (2002) v. Clearstone II (2006)

Combined Clearstone (scf/hr) Clearstone I (2002) v. Clearstone II (2006) Combined Clearstone (scf/hr)

Combined Clearstone (scf/hr)Open-ended Line 11.6 8.4 22.7 Pressure Relief Valve 1.6 1.6 - Mete r 2.7 0.6 4.9

# Methane Gas Emission Factors

Centrifugal Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 70.00 18.00 52.00 53.00 Connector 44.00 15.00 29.00 31.00 Open-ended Line 4.00 - 4.00 3.00 Pressure Relief Valve - - - - Mete r
- - - -



### Reciprocating Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 324.00 56.00 268.00 751.00 Connector 277.00 58.00 219.00 651.00 Open-ended Line 47.00 16.00 31.00 40.00 Pressure Relief Valve 1.00 - 1.00 - Mete r 2.00 - 2.00 2.00



### A ll Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 394.00 74.00 320.00 804.00 Connector 321.00 73.00 248.00 682.00 Open-ended Line 51.00 16.00 35.00 43.00 Pressure Relief Valve 1.00 - 1.00 - Mete r 2.00 - 2.00 2.00



### Non-Compressors

All Processing Before De-Methanizer After De-Methanizer All Processing Valve 654.00 442.00 212.00 710.00 Connector 444.00 333.00 111.00 560.00 Clearstone I (2002) Condensed Categories

Condensed Categories Clearstone I (2002)

Condensed Categories Clearstone I (2002)

Condensed Categories Clearstone I (2002) C

C

C

COpen-ended Line 86.00 68.00 18.00 106.00 Pressure Relief Valve 7.00 7.00 - 2.00 Mete r 6.00 3.00 3.00 12.00

Annomalies - Clearstone II (After De-Methanizer) Open Ended Lines: centrifugal is greater than recip r - Clearstone II (Before De-Methanizer) Connectors: non-compressor is greater than com p - Clearstone II (Before De-Methanizer) Meters: non-compressor is greater than compres s - Clearstone II (After De-Methanizer) Open Ended Lines: non-compressor is greater thanBefore De-Methanizer After De-Methanizer

- 53.00 12.0

- 31.00 7.0

- 3.00 -

- - -

- - -

Before De-Methanizer After De-Methanizer 175.00 576.00 102.0 93.00 558.00 79.0 10.00 30.00 10.0

- - - 1.00 1.00 -

Canada 1998/2007

Before De-Methanizer After De-Methanizer Transmission

175.00 629.00 235.00 114.0 93.00 589.00 859.00 86.0 10.00 33.00 72.00 10.0

- - 59.00 - 1.00 1.00 11.15 -

Canada 1998/2007

Before De-Methanizer After De-Methanizer Distribution

490.00 220.00 27.00 8.0 433.00 127.00 40.00 8.0 Clearstone II (2006) Gathering Compressor

Stations

Clearstone II (2006) Gathering Compressor

Stations

Clearstone II (2006) Gathering Compressor Stations

Clearstone II (2006) Gathering Compressor Stations learstone II (2006)

learstone II (2006)

learstone II (2006)

learstone II (2006)83.00 23.00 5.00 1.0 2.00 - 8.00 - 6.00 6.00 4.00 -

rocating because there are only three data points for centrifugal compressors. pressor emissions because molecular sieve, NRU, and Amine building emissions are large.

s or emissions because there is only one compressor data point and four non-compressor data

n compressor emissions because there are some large emissions from generators and flare ve nAll Processing Before De-Methanizer After De-Methanizer Valve 123.0 - 105.0 Connector 75.0 - 60.0 Open-ended Line 7.0 - 7.0 Pressure Relief Valve - - - Mete r
-- -

All Processing Before De-Methanizer After De-Methanizer Valve 1,075.0 231.0 844.0 Connector 928.0 151.0 777.0 Open-ended Line 98.0 36.0 62.0 Pressure Relief Valve - - - Mete r 4.0 - -

All Processing Before De-Methanizer After De-Methanizer Valve 1,198.0 249.0 949.0 Connector 1,003.0 166.0 837.0 Open-ended Line 105.0 36.0 69.0 Pressure Relief Valve - - - Mete r 4.0 - -

All Processing Before De-Methanizer After De-Methanizer Valve 1,365.0 933.0 432.0 Connector 1,010.0 772.0 238.0 Combined Clearstone Counts Clearstone I (2002) v. Clearstone II (2006)

Combined Clearstone Counts Clearstone I (2002) v. Clearstone II (2006) Combined Clearstone Counts Clearstone I (2002) v. Clearstone II (2006)

Combined Clearstone Counts Clearstone I (2002) v. Clearstone II (2006)Open-ended Line 199.0 155.0 44.0 Pressure Relief Valve 10.0 9.0 - Mete r 18.0 9.0 9.0

points. nts.

## Clearstone II (March 2006) Last Updated

Processing CH4 Emissions Average (scf/hr) Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 73.36391472 73.36391472 Connector 3.188097212 3.188097212 Meter 0.014436052 0.014436052 OEL 4.056220755 4.056220755 Other 0 0 PRV 0 0 Pump seal 0 0 Valve 14.66753242 14.66753242

Processing Component Counts Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 33 0 33 Connector 93 0 93 Meter 1 0 1 OEL 10 0 10 Other 0 0 0 PRV 0 0 0 Pump seal 0 0 0 Valve 175 0 175

Processing CH4 Emissions Average (scf/hr) A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 128.3091013 0 128.3091013 Connector 8.189718831 3.355285995 7.935274998 Meter 70.50827178 0 70.50827178 OEL 5.540630612 16.14834728 6.504968491 PRV 0 0 0 Pump seal 0 0 0 Valve 17.94256951 2.427232144 16.63523584

Processing Component Counts A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors Compressor seal 66 0 66 Connector 558 31 589 Meter 1 0 1 OEL 30 3 33 PRV 0 0 0 Pump seal 0 0 0 Valve 576 53 629

## Canadian Data (CEPEI Fugitive Emissions Data)

Distribution CH4 Emissions Average (scf/hr)

Leaker Factors for Gate Stations CH4 Leake r Component Leaker Count Factors (scf/hr) BD 0 0 C 37 2.269315566 CONT 4 24.67124995 CSC 0 0 CSR 0 0 CV 17 9.340237376 OEL 5 26.13129014 OM 4 0.211765015 OTHER 0 0 PRV 6 0.237547813 REG 5 0.926618309 V 26 0.64179352

Leaker Factors for District Regulating Stations CH4 Leake r Component Leaker Count Factors (scf/hr) BD 0 0 C 3 0.188540543 CONT 0 0 CSC 0 0 CSR 0 0 CV 0 0 OEL 0 0 OM 0 0 OTHER 0 0 PRV 2 0.486525826 REG 0 0 V 1 0.044564128



## Clearstone I (2002)

Processing CH4 Emissions Average (scf/hr) Before De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors BD 156.32 - 156.32 CCV 25.66 - 25.66 Connector 3.77 1.83 3.37CS 270.61 33.04 231.01 Meter - - - OEL 20.40 - 20.40 PRV - - - Pump Seal - - - Valve 6.47 0.53 5.02

Processing CH4 Emissions Average (scf/hr) A fter De-Methanize r Reciprocating Centrifugal ALL Component Compressors Compressors Compressors BD 50.86 - 50.86 CCV 100.53 - 100.53 Connector 9.73 2.64 8.90 CS 89.00 86.36 88.91 Meter 33.88 - 33.88 OEL 14.46 14.12 14.42 PRV 28.45 - 28.45 Valve 14.96 2.37 12.92

Processing CH4 Emissions Average (scf/hr) A LL Reciprocating Centrifugal ALL Component Compressors Compressors Compressors BD 103.59 - 103.59 CCV 39.70 - 39.70 Connector 8.48 2.36 7.65 CS 153.86 46.37 144.51 Meter 33.88 - 33.88 OEL 16.57 14.12 16.38 PRV 28.45 - 28.45 Pump Seal - - - Valve 13.47 1.90 11.41



## Combined for Summary Sheet

Reciprocating Centrifugal ALL Processing EFs Compressors Compressors Compressors Valve 14.66753242 0 14.66753242 Connector 3.188097212 0 3.188097212 Open-ended Line 4.056220755 0 4.056220755 Pressure Relief Valve 0 0 0 Mete r 0.014436052 0 0.014436052Transmission EFs Clearstone II Canadian Data Valve 6.879887817 10.40287954 Connector 7.76289262 2.676379282 Open-ended Line 21.49598465 21.54174316 Pressure Relief Valve 0 37.19125305 Mete r 0 13.19822867

### 12/17/2009

r Gathering and Boosting CH4 Emissions Ave r Non- Grand Total Reciprocating Compressor Component Compressors 0 73.36391472 Compressor seal 36.78494791 5.138473858 4.793635401 Connector 8.403505028 0.812930062 0.69885949 OEL 21.49598465 7.288817104 6.941226099 Other 1496.258441 0 0 Valve 6.20993638 1.003257155 1.003257155 0 0 4.918598685 7.484107561

r Gathering and Boosting Component Counts Non- Grand Total Reciprocating Compressor Component Compressors 0 33 Compressor seal 44 433 526 Connector 79 6 7 OEL 10 83 93 Other 1

0 0 Valve 102 2 2 0 0 490 665

Processing CH4 Emissions Average (scf/hr) Non- Grand Total Reciprocating Compressor Component Compressors 0 128.3091013 Compressor seal 109.9940391 4.286696087 7.288110861 Connector 7.475201457 3.986907578 13.48995961 Meter 35.26135392

20.9669997 12.44473131 OEL 5.169528148 0 0 PRV 0 44.81948591 44.81948591 Pump seal 0 6.705736641 14.06222073 Valve 17.17941173

Processing Component Counts Non- Grand Total Reciprocating Compressor Component Compressors 0 66 Compressor seal 99 127 716 Connector 651 6 7 Meter 2 23 56 OEL 40

0 0 PRV 0 5 5 Pump seal 0 220 849 Valve 751Transmission CH4 Emissions Average (scf/h

Leaker factor for Compressor Stations (scf/h

Component Leaker Count BD 58 C 859 CONT 14 CSC 45.5 CSR 35 CV 39 OEL 72 OM 12 OTHER 1 PRV 59 REG 27 V 235

Leaker factor for Storage Stations (scf/hr)

Component Leaker Count BD 0 C 9 CONT 1 CSC 0 CSR 1 CV 1 OEL 1 OM 0 OTHER 0 PRV 10 REG 0 V 1

r Processing Component Counts Non- Reciprocating Compressor Component Compressors 0.07 BD 1

- CCV 13 4.23 Connector 5812.17 CS 15 0.15 Meter - 8.12 OEL 16 1.76 PRV - 0.28 Pump Seal - 4.83 Valve 56

Processing Component Counts Non- Reciprocating Compressor Component Compressors

- BD 1

- CCV 3 5.29 Connector 219

- CS 27 6.74 Meter 2 13.88 OEL 31

- PRV 1 6.97 Valve 268

Processing Component Counts Non- Reciprocating Compressor Component Compressors 0.07 BD 2

- CCV 16 4.50 Connector 277 12.17 CS 42 3.45 Meter 2 9.31 OEL 47 1.76 PRV 1 0.28 Pump Seal - 5.53 Valve 324

Non- Processing Reciprocating Compressor Comp Counts Compressors 4.918598685 Valve 175 5.138473858 Connector 93 7.288817104 Open-ended Line 10 1.003257155 Pressure Relief Valv e 0 0.812930062 Mete r 1Transmission Comp Counts Clearstone II Valve 114 Connector 86 Open-ended Line 10 Pressure Relief Valv e 0 Mete r 0r age (scf/hr) Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 16.25966586 33.96775233 0 33.96775233 0.533124015 7.76289262 0.32897525 7.130218802 0 21.49598465 2.026777079 19.72605669 0 1496.258441 0 1496.258441 12.57447503 6.879887817 1.085788523 6.49994688

Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 7 51 0 51 7 86 8 94 0 10 1 11 0101 12 114 8 122

ALL Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 0 109.9940391 0 109.9940391 3.355285995 7.287932572 4.945302828 6.231674394 0 35.26135392 2.39991882 7.094409548 16.14834728 5.935492273 10.25672465 9.009657588 0 0 1.003257155 1.003257155 0 0 44.81948591 44.81948591 2.427232144 16.20694218 5.472359742 11.17289097

ALL Centrifugal ALL Non- Grand Total Compressors Compressors Compressor 0 99 0 99 31 682 560 1242

0 2 12 14 3 43 106 149 0022 0055 53 804 710 1514r)

r) CH4 Leake r Factors (scf/hr) 543.5036801 2.676379282 9.908269728 204.3675688 214.2057911 3.440920768 21.54174316 14.29262593 0.065461588 37.19125305 9.750211124 10.40287954

CH4 Leake r Factors (scf/hr) 0 0.556896617 1.522740479 0 34.99571728 0.160468167 49.59490628 0 0 30.92289863 0 0.884282027

Before De-MethanizerCentrifugal ALL NonCompressors Compressors Compressor

- 1 1

- 13 - 15 73 3333 18 2

- - 3

- 16 68

- - 7

- - 1 18 74 442

After De-Methanize rCentrifugal ALL NonCompressors Compressors Compressor

- 1 -

- 3 - 29 248 111 1 28 -

- 2 3 4 35 18

- 1 - 52 320 212

ALLCentrifugal ALL NonCompressors Compressors Compressor

- 2 1

- 16 - 44 321 444 4 46 2

- 2 6 4 51 86

- 1 7

- - 1 70 394 654

Centrifugal ALL NonCompressors Compressors Compressor 0 175 490 0 93 433 0 10 83 002 016Canadian Data 235 859

72 59 13