# APENNDIX A

# A

‐ 2 

# APPENDIX A - LIST OF TABLES

Table A-1. Cost of Implementing Equipment Leak Monitoring Program at a Well Site

(Assumes fugitive emissions monitoring using Method 21 (10,000 ppm Leak Definition))

..................................... A

‐ 5

Table A-2. Cost of Implementing Equipment Leak Monitoring Program at a Well Site

(Assumes fugitive emissions monitoring using Method 21 (2,500 ppm Leak Definition))

....................................... A

‐ 6

Table A-3. Cost of Implementing Equipment Leak Monitoring Program at a Well Site

(Assumes fugitive emissions monitoring usi ng Method 21 (500 ppm Leak Definition))

.......................................... A

‐ 7

Table A-4. Cost of Implementing Equipment Leak Monitoring Program at a Compressor Station

(Assumes fugitive emissions monitoring using Method 21 (10,000 ppm Leak Definition))

..................................... A

‐ 8

Table A-5. Cost of Implementing Equipment Leak Monitoring Program at a Compressor Station

(Assumes fugitive emissions monitoring using Method 21 (2,500 ppm Leak Definition))

....................................... A

‐ 9

Table A-6. Cost of Implementing Equipment Leak Monitoring Program at a Compressor Station

(Assumes fugitive emissions monitoring usi ng Method 21 (500 ppm Leak Definition))

........................................ A

‐ 10

Table A-7. Cost of Implementing OGI Monitoring Program at a Well Site

............................................................ A

‐ 11

Table A-8. Cost of Implementing OGI Monitoring Pr ogram at a Compressor Station (Gathering and Boosting)

.. A

‐ 12

Table A-9. Cost of Implementing OGI Monitoring Program at a Compressor Station (Transmission)

.................. A

‐ 13

Table A-10. Cost of Implementing OGI Monitoring Program at a Compressor Station (Storage)

.......................... A

‐ 14

Table A-11. Average Model Plant Cost of Control for Su mmary Well Pads w/o Recovery Credits – M21 Monitoring

(10,000 ppm Leak Definition; Single Pollutant)

...................................................................................................... A

‐ 15

Table A-12. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – M21 Monitoring

(10,000 ppm Leak Definition; Single Pollutant)

...................................................................................................... A

‐ 15

Table A-13. Average Model Plant Cost of Control for Su mmary Well Pads w/o Recovery Credits – M21 Monitoring

(10,000 ppm Leak Definition; Multi-Pollutant)

....................................................................................................... A

‐ 16

Table A-14. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – M21 Monitoring

(10,000 ppm Leak Definition; Multi-Pollutant)

....................................................................................................... A

‐ 16

Table A-15. Average Model Plant Cost of Control for Su mmary Well Pads w/o Recovery Credits – M21 Monitoring

(2,500 ppm Leak Definition; Single Pollutant)

........................................................................................................ A

‐ 17

Table A-16. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – M21 Monitoring

(2,500 ppm Leak Definition; Single Pollutant)

........................................................................................................ A

‐ 17

Table A-17. Average Model Plant Cost of Control for Su mmary Well Pads w/o Recovery Credits – M21 Monitoring

(2,500 ppm Leak Definition; Multi-Pollutant)

......................................................................................................... A

‐ 18

Table A-18. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – M21 Monitoring

(2,500 ppm Leak Definition; Multi-Pollutant)

......................................................................................................... A

‐ 18

Table A-19. Average Model Plant Cost of Control for Su mmary Well Pads w/o Recovery Credits – M21 Monitoring

(500 ppm Leak Definition; Single Pollutant)

........................................................................................................... A

‐ 19

Table A-20. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – M21 Monitoring

(500 ppm Leak Definition; Single Pollutant)

........................................................................................................... A

‐ 19

Table A-21. Average Model Plant Cost of Control for Su mmary Well Pads w/o Recovery Credits – M21 Monitoring

(500 ppm Leak Definition; Multi-Pollutant)

............................................................................................................ A

‐ 20

Table A-22. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – M21 Monitoring

(500 ppm Leak Definition; Multi-Pollutant)

............................................................................................................ A

‐ 20

Table A-23. Nationwide Impacts – Method 21 Monitoring and Repair Plan - 2020 (Well Sites)

........................... A

‐ 21

Table A-24. Nationwide Impacts – Method 21 Monitoring and Repair Plan - 2025 (Well Sites)

........................... A

‐ 23

Table A-25. Average Model Plant Cost of Control Summa ry for Transmission & Storage Facilities w/o Recovery

Credits – M21 Monitoring (10,000 ppm Leak Definition)

....................................................................................... A

‐ 25

Table A-26. Average Model Plant Cost of Control Summa ry for Transmission & Storage Facilities w/ Recovery

Credits – M21 Monitoring (10,000 ppm Leak Definition)

....................................................................................... A

‐ 26

# A

‐ 3 Table A-27. Average Model Plant Cost of Control Summa ry for Transmission & Storage Facilities w/o Recovery

Credits – M21 Monitoring (2,500 ppm Leak Definition)

......................................................................................... A

‐ 27

Table A-28. Average Model Plant Cost of Control Summa ry for Transmission & Storage Facilities w/ Recovery

Credits – M21 Monitoring (2,500 ppm Leak Definition)

......................................................................................... A

‐ 28

Table A-29. Average Model Plant Cost of Control Summa ry for Transmission & Storage Facilities w/o Recovery

Credits – M21 Monitoring (500 ppm Leak Definition)

............................................................................................ A

‐ 29

Table A-30. Average Model Plant Cost of Control Summa ry for Transmission & Storage Facilities w/ Recovery

Credits – M21 Monitoring (500 ppm Leak Definition)

............................................................................................ A

‐ 30

Table A-31. Nationwide Impacts – Method 21 Monitoring and Repair Plan - 2020 (Transmission & Storage

Facilities)

............................................................................................................................... ................................... A

‐ 31

Table A-32. Nationwide Impacts – Method 21 Monitoring and Repair Plan - 2025 (Transmission & Storage

Facilities)

............................................................................................................................... ................................... A

‐ 33

Table A-33. OGI - Average Model Plant Cost of Contro l Summary for Well Pads w/o Recovery Credits – Annual

OGI Monitoring (Single Pollutant)

.......................................................................................................................... A

‐ 35

Table A-34. OGI - Average Model Plant Cost of Contro l Summary for Well Pads w/ Recovery Credits – Annual

OGI Monitoring (Single Pollutant)

.......................................................................................................................... A

‐ 35

Table A-35. OGI- Average Model Plant Cost of Control Summary for Well Pads w/o Recovery Credits – Annual

OGI Monitoring (Multi-Pollutant)

........................................................................................................................... A

‐ 36

Table A-36. OGI - Average Model Plant Cost of Contro l Summary for Well Pads w/ Recovery Credits – Annual

OGI Monitoring (Multi-Pollutant)

........................................................................................................................... A

‐ 36

Table A-37. OGI - Average Model Plant Cost of Cont rol Summary for Well Pads w/o Recovery Credits –

Semiannual OGI Monitoring (Single Pollutant)

....................................................................................................... A

‐ 37

Table A-38. OGI - Average Model Plant Cost of Cont rol Summary for Well Pads w/ Recovery Credits –

Semiannual OGI Monitoring (Single Pollutant)

....................................................................................................... A

‐ 37

Table A-39. OGI - Average Model Plant Cost of Cont rol Summary for Well Pads w/o Recovery Credits –

Semiannual OGI Monitoring (Multi-Pollutant)

........................................................................................................ A

‐ 38

Table A-40. OGI - Average Model Plant Cost of Cont rol Summary for Well Pads w/ Recovery Credits –

Semiannual OGI Monitoring (Multi-Pollutant)

........................................................................................................ A

‐ 38

Table A-41. OGI - Average Model Plant Cost of Control Summary for Well Pads w/o Recovery Credits – Quarterly

OGI Monitoring (Single Pollutant)

.......................................................................................................................... A

‐ 39

Table A-42. OGI - Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – Quarterly

OGI Monitoring (Single Pollutant)

.......................................................................................................................... A

‐ 39

Table A-43. OGI - Average Model Plant Cost of Control Summary for Well Pads w/o Recovery Credits – Quarterly

OGI Monitoring (Multi-Pollutant)

........................................................................................................................... A

‐ 40

Table A-44. OGI - Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits – Quarterly

OGI Monitoring (Multi-Pollutant)

........................................................................................................................... A

‐ 40

Table A-45. Nationwide Impacts – OGI Monitoring and Repair Plan - 2020 (Well Sites)

..................................... A

‐ 41

Table A-46. Nationwide Impacts – OGI Monitoring and Repair Plan - 2025 (Well Sites)

..................................... A

‐ 41

Table A-47. OGI - Average Model Plant Cost of Control Su mmary for Compressor Stations w/o Recovery Credits –

Annual OGI Monitoring (Single Pollutant)

.............................................................................................................. A

‐ 42

Table A-48. OGI - Average Model Plant Cost of Control Su mmary for Compressor Stations w/ Recovery Credits –

Annual OGI Monitoring (Single Pollutant)

.............................................................................................................. A

‐ 42

Table A-49. OGI - Average Model Plant Cost of Control Summary for Gathering & Boosting Stations w/o Recovery

Credits – Annual OGI Monitoring (Multi-Pollutant)

............................................................................................... A

‐ 43

Table A-50. OGI - Average Model Plant Cost of Control Summary for Gathering & Boosting Stations w/ Recovery

Credits – Annual OGI Monitoring (Multi-Pollutant)

............................................................................................... A

‐ 43

Table A-51. OGI - Average Model Plant Cost of Control Su mmary for Compressor Stations w/o Recovery Credits –

Semiannual OGI Monitoring (Single Pollutant)

....................................................................................................... A

‐ 44

# A

‐ 4 Table A-52. OGI - Average Model Plant Cost of Control Su mmary for Compressor Stations w/ Recovery Credits –

Semiannual OGI Monitoring (Single Pollutant)

....................................................................................................... A

‐ 44

Table A-53. OGI - Average Model Plant Cost of Control Summary for Gathering & Boosting Stations w/o Recovery

Credits – Semiannual OGI Monitoring (Multi-Pollutant)

........................................................................................ A

‐ 45

Table A-54. OGI - Average Model Plant Cost of Control Summary for Gathering & Boosting Stations w/ Recovery

Credits – Semiannual OGI Monitoring (Multi-Pollutant)

........................................................................................ A

‐ 45

Table A-55. OGI - Average Model Plant Cost of Control for Summary Compressor Stations w/o Recovery Credits –

Quarterly OGI Monitoring (Single Pollutant)

.......................................................................................................... A

‐ 46

Table A-56. OGI - Average Model Plant Cost of Control Su mmary for Compressor Stations w/o Recovery Credits –

Quarterly OGI Monitoring (Single Pollutant)

.......................................................................................................... A

‐ 46

Table A-57. OGI - Average Model Plant Cost of Control Summary for Gathering & Boosting Stations w/o Recovery

Credits – Quarterly OGI Monitoring (Multi-Pollutant)

............................................................................................ A

‐ 47

Table A-58. OGI - Average Model Plant Cost of Control Summary for Gathering & Boosting Stations w/ Recovery

Credits – Quarterly OGI Monitoring (Multi-Pollutant)

............................................................................................ A

‐ 47

Table A-59. Nationwide Impacts – OGI Monitoring and Repair Plan - 2020 (Compressor Stations)

..................... A

‐ 48

Table A-60. Nationwide Impacts – OGI Monitoring and Repair Plan - 2025 (Gathering & Boosting Stations)

.... A

‐ 49A‐5Table A-1. Cost of Implementing Equipment Leak Monitoring Program at a Well Site(Assumes fugitive emissions monitoring using Method 21 (10,000 ppmLeak Definition))ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualTotalCost($/year)SemiannualTotalCost($/year)QuarterlyTotalCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $1,271.60 $1,271.60 $1,271.60Assumesthat1hourisspenttopreparethenotificationforeachwellsitefor22wellsitesM21MonitoringandDataCollectionSystem N/A N/A N/A N/A $25,300.00 $25,300.00 $25,300.00IncludescostofM21monitoringdevice($10,800)anddatacollectionsystem($14,500)FirstYearTotalHoursandCostperCompany 118 $32,120 $32,120 $32,120Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,initialsurveyandnotificationofinitialcompliancestatusFirstYearTotalHoursandCostperWellSite 5.4 $1,460.02 $1,460.02 $1,460.02Assumescompanyowns22wellsitescWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $63.05 $63.05 $63.05HoursfromPESMemorandumb.TotalcostofplanningdividedbytotalnumberofwellsitespercompanyMethod21SurveyCost 2 4 8 $57.80 $462.40 $924.80 $1,849.60Assumes2peopleand4hoursperpersontosurveyawellsiteusingaM21monitoringdeviceforeachsurveyRepairCost N/A N/A N/A N/A $2,998.68 $2,998.68 $2,998.68Assumes7.49%or41totalleaksfoundannually,31fixedonline(31*0.17hours*$66.24/hr)and10fixedoffline(10*4.0hours*$66.24/hr)dM21ResurveyCosts N/A N/A N/A N/A $20.00 $20.00 $20.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 12 $3,775 $4,238 $5,163Sumofplanning,monitoring,repair,reportingandstoring/filingofrecordsAnnualCostwithAmortizedCapitalCost $4,020 $4,482 $5,407Firstyearcostperwellsitecostamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsitespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.eThecomponentresurveycostbasedontheaveragesubsequentmoni toringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.dTheleakpercentagewascalculatedusingthebaselineSOCMIemissionrate(0.00597kg/hr/source)andtheaverageleakratetofractionleakingequationsfor10,000ppmvleakdefinitioninTable5‐4oftheEPAProtocolforEquipmentLeakEmissionEstimates.Nodatawasavailablethatincludedmonitoringfrequency,thereforei twasassumedthattheleakpercentagerepresentedthetotalannualleaksfoundusingMethod21.A‐6Table A-2. Cost of Implementing Equipment Leak Monitoring Program at a Well Site(Assumes fugitive emissions monitoring using Method 21 (2,500 ppmLeak Definition))ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualTotalCost($/year)SemiannualTotalCost($/year)QuarterlyTotalCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $1,271.60 $1,271.60 $1,271.60Assumesthat1hourisspenttopreparethenotificationforeachwellsitefor22wellsitesM21MonitoringandDataCollectionSystem N/A N/A N/A N/A $25,300.00 $25,300.00 $25,300.00IncludescostofM21monitoringdevice($10,800)anddatacollectionsystem($14,500)FirstYearTotalHoursandCostperCompany 118 $32,120 $32,120 $32,120Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,initialsurveyandnotificationofinitialcompliancestatusFirstYearTotalHoursandCostperWellSite 5.4 $1,460.02 $1,460.02 $1,460.02Assumescompanyowns22wellsitescWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $63.05 $63.05 $63.05HoursfromPESMemorandumb.TotalcostofplanningdividedbytotalnumberofwellsitespercompanyMethod21SurveyCost 2 4 8 $57.80 $462.40 $924.80 $1,849.60Assumes2peopleand4hoursperpersontosurveyawellsiteusingaM21monitoringdeviceforeachsurveyRepairCost N/A N/A N/A N/A $5,067.36 $5,067.36 $5,067.36Assumes12.25%or67totalleaksfoundannually,50fixedonline(50*0.17hours*$66.24/hr)and17fixedoffline(17*4.0hours*$66.24/hr)M21ResurveyCosts N/A N/A N/A N/A $34.00 $34.00 $34.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 12 $5,858 $6,320 $7,245Sumofplanning,monitoring,repair,reportingandstoring/filingofrecordsAnnualCostwithAmortizedCapitalCost $6,103 $6,565 $7,490Firstyearcostperwellsitecostamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsitespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.eThecomponentresurveycostbasedontheaveragesubsequentmoni toringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.dTheleakpercentagewascalculatedusingthebaselineSOCMIemissionrate(0.00597kg/hr/source)andtheaverageleakratetofractionleakingequationsfor2,500ppmvleakdefinitioninTable5‐4oftheEPAProtocolforEquipmentLeakEmissionEstimates.Nodatawasavailablethatincludedmonitoringfrequency,thereforei twasassumedthattheleakpercentagerepresentedthetotalannualleaksfoundusingMethod21.A‐7Table A-3. Cost of Implementing Equipment Leak MonitoringProgram at a Well Site(Assumes fugitive emissions monitoring using Method 21 (500 ppmLeak Definition))ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualTotalCost($/year)SemiannualTotalCost($/year)QuarterlyTotalCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $1,271.60 $1,271.60 $1,271.60Assumesthat1hourisspenttopreparethenotificationforeachwellsitefor22wellsitesM21MonitoringandDataCollectionSystem N/A N/A N/A N/A $25,300.00 $25,300.00 $25,300.00IncludescostofM21monitoringdevice($10,800)anddatacollectionsystem($14,500)FirstYearTotalHoursandCostperCompany 118 $32,120 $32,120 $32,120Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,initialsurveyandnotificationofinitialcompliancestatusFirstYearTotalHoursandCostperWellSite 5.4 $1,460.02 $1,460.02 $1,460.02Assumescompanyowns22wellsitescWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $63.05 $63.05 $63.05HoursfromPESMemorandumb.TotalcostofplanningdividedbytotalnumberofwellsitespercompanyM21SurveyCost 2 4 8 $57.80 $462.40 $924.80 $1,849.60Assumes2peopleand4hoursperpersontosurveyawellsiteusingaM21monitoringdeviceforeachsurveyRepairCost N/A N/A N/A N/A $5,399.88 $5,399.88 $5,399.88Assumes13.53%or74totalleaksfoundannually,56fixedonline(56*0.17hours*$66.24/hr)and18fixedoffline(18*4.0hours*$66.24/hr)M21ResurveyCosts N/A N/A N/A N/A $36.00 $36.00 $36.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 12 $6,193 $6,655 $7,580Sumofplanning,monitoring,repair,reportingandstoring/filingofrecordsAnnualCostwithAmortizedCapitalCost $6,437 $6,899 $7,824Firstyearcostperwellsitecostamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsitespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.eThecomponentresurveycostbasedontheaveragesubsequentmoni toringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.dTheleakpercentagewascalculatedusingthebaselineSOCMIemissionrate(0.00597kg/hr/source)andtheaverageleakratetofractionleakingequationsfor500ppmvleakdefinitioninTable5‐4oftheEPAProtocolforEquipmentLeakEmissionEstimates.Nodatawasavailablethatincludedmonitoringfrequency,thereforei twasassumedthattheleakpercentagerepresentedthetotalannualleaksfoundusingMethod21.A‐8Table A-4. Cost of ImplementingEquipment Leak Monitoring Program at a Compressor Station(Assumes fugitive emissions monitoring using Method 21 (10,000 ppmLeak Definition))ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualTotalCost($/year)SemiannualTotalCost($/year)QuarterlyTotalCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $57.80 $57.80 $57.80Assumesthat1hourisspenttopreparethenotificationforeachcompressorsiteM21MonitoringandDataCollectionSystem N/A N/A N/A N/A $25,300.00 $25,300.00 $25,300.00IncludescostofM21monitoringdevice($10,800)anddatacollectionsystem($14,500)FirstYearTotalHoursandCostperFacility 118 $30,907 $30,907 $30,907Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,firstyearsurveyandnotificationofinitialcompliancestatusWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $1,387.20 $1,387.20 $1,387.20HoursfromPESMemorandumbMethod21Survey 2 8 16 $57.80 $924.80 $1,849.60 $3,699.20Assumes2peopleand8hoursperpersontosurveyawellsiteusingaM21monitoringdeviceforeachsurveyRepairCosts N/A N/A N/A N/A $29,288.02 $29,288.02 $29,288.02Assumes7.49%or393totalleaksfoundpersurvey,295fixedonline(295*0.17hours*$66.24/hr)and98fixedoffline(98*4.0hours*$66.24/hr)M21ResurveyCosts N/A N/A N/A N/A $196.00 $196.00 $196.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperFacility 20 $32,027 $32,952 $34,802Sumofplanning,monitoring,repair,reportingandstoring/filingofrecordsAnnualCostwithAmortizedCapitalCost $37,203 $38,128 $39,978Annualcostandfirstyearcostperfacilityamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsi tespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.eThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.dTheleakpercentagewascalculatedusingthebaselineSOCMIemissionrate(0.00597kg/hr/source)andtheaverageleakratetofractionleakingequationsfor10,000ppmvleakdefinitioninTable5‐4oftheEPAProtocolforEquipmentLeakEmissionEstimates.Nodatawasavailablethatincludedmonitoringfrequency,thereforeitwasassumedthattheleakpercentagerepresentedthetotalannualleaksfoundusingMethod21.A‐9Table A-5. Cost of ImplementingEquipment Leak Monitoring Program at a Compressor Station(Assumes fugitive emissions monitoring using Method 21 (2,500 ppmLeak Definition))ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualTotalCost($/year)SemiannualTotalCost($/year)QuarterlyTotalCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $57.80 $57.80 $57.80Assumesthat1hourisspenttopreparethenotificationforeachcompressorsiteM21MonitoringandDataCollectionSystem N/A N/A N/A N/A $25,300.00 $25,300.00 $25,300.00IncludescostofM21monitoringdevice($10,800)anddatacollectionsystem($14,500)FirstYearTotalHoursandCostperFacility 118 $30,907 $30,907 $30,907Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,firstyearsurveyandnotificationofinitialcompliancestatusWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $1,387.20 $1,387.20 $1,387.20HoursfromPESMemorandumbMethod21Survey 2 8 16 $57.80 $924.80 $1,849.60 $3,699.20Assumes2peopleand8hoursperpersontosurveyawellsiteusingaM21monitoringdeviceforeachsurveyRepairCosts N/A N/A N/A N/A $47,821.31 $47,821.31 $47,821.31Assumes12.25%or642totalleaksfoundannually,482fixedonline(482*0.17hours*$66.24/hr)and160fixedoffline(160*4.0hours*$66.24/hr)M21ResurveyCosts N/A N/A N/A N/A $320.00 $320.00 $320.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperFacility 20 $50,685 $51,609 $53,459Sumofplanning,monitoring,repair,reportingandstoring/filingofrecordsAnnualCostwithAmortizedCapitalCost $55,860 $56,785 $58,635Annualcostandfirstyearcostperfacilityamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsi tespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.eThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.dTheleakpercentagewascalculatedusingthebaselineSOCMIemissionrate(0.00597kg/hr/source)andtheaverageleakratetofractionleakingequationsfor10,000ppmvleakdefinitioninTable5‐4oftheEPAProtocolforEquipmentLeakEmissionEstimates.Nodatawasavailablethatincludedmonitoringfrequency,thereforeitwasassumedthattheleakpercentagerepresentedthetotalannualleaksfoundusingMethod21.A‐10Table A-6. Cost of ImplementingEquipment Leak Monitoring Program at a Compressor Station(Assumes fugitive emissions monitoring using Method 21 (500 ppmLeak Definition))ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualTotalCost($/year)SemiannualTotalCost($/year)QuarterlyTotalCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $57.80 $57.80 $57.80Assumesthat1hourisspenttopreparethenotificationforeachcompressorsiteM21MonitoringandDataCollectionSystem N/A N/A N/A N/A $25,300.00 $25,300.00 $25,300.00IncludescostofM21monitoringdevice($10,800)anddatacollectionsystem($14,500)FirstYearTotalHoursandCostperFacility 118 $30,907 $30,907 $30,907Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,firstyearsurveyandnotificationofinitialcompliancestatusWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $1,387.20 $1,387.20 $1,387.20HoursfromPESMemorandumbMethod21Survey 2 8 16 $57.80 $924.80 $1,849.60 $3,699.20Assumes2peopleand8hoursperpersontosurveyawellsiteusingaM21monitoringdeviceforeachsurveyRepairCosts N/A N/A N/A N/A $52,899.93 $52,899.93 $52,899.93Assumes13.53%or710totalleaksfoundpersurvey,533fixedonline(533*0.17hours*$66.24/hr)and177fixedoffline(177*4.0hours*$66.24/hr)M21ResurveyCosts N/A N/A N/A N/A $354.00 $354.00 $354.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperFacility 20 $55,797 $56,722 $58,572Sumofplanning,monitoring,repair,reportingandstoring/filingofrecordsAnnualCostwithAmortizedCapitalCost $60,973 $61,898 $63,747Annualcostandfirstyearcostperfacilityamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsi tespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.eThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.dTheleakpercentagewascalculatedusingthebaselineSOCMIemissionrate(0.00597kg/hr/source)andtheaverageleakratetofractionleakingequationsfor10,000ppmvleakdefinitioninTable5‐4oftheEPAProtocolforEquipmentLeakEmissionEstimates.Nodatawasavailablethatincludedmonitoringfrequency,thereforeitwasassumedthattheleakpercentagerepresentedthetotalannualleaksfoundusingMethod21.A‐11Table A-7. Cost of Implementing OGIMonitoring Program at a Well SiteItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualCost($/year)SemiannualCost($/year)QuarterlyCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $1,271.60 $1,271.60 $1,271.60Assumesthat1hourisspenttopreparethenotificationforeachwellsitefor22wellsitesM21MonitoringDevice N/A N/A N/A N/A $10,800.00 $10,800.00 $10,800.00 IncludescostofM21monitoringdevice($10,800)FirstYearTotalHoursandCostperCompany 118 $17,620 $17,620 $17,620Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,initialsurveyandnotificationofinitialcompliancestatusFirstYearTotalHoursandCostperWellSite 5.4 $801 $801 $801Assumescompanyowns22wellsitescWellSiteLevelCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $63.05 $63.05 $63.05HoursfromPESMemorandumb.TotalcostofplanningdividedbytotalnumberofwellsitespercompanyOGICameraSurvey N/A N/A N/A N/A $600.00 $1,200.00 $2,400.00CostfromCLReportd(outsidecontractor,wellpad,$600persurvey)RepairCosts N/A N/A N/A N/A $298.74 $597.48 $1,194.97Assumes1.18%or4totalleaksfoundpersurvey,3fixedonline(3*0.17hours*$66.24/hr)and1fixedoffline(1*4.0hours*$66.24/hr)eOGICameraResurvey(M21Device) N/A N/A N/A N/A $2.00 $4.00 $8.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepairfAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachwellsiteandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 4 $1,195 $2,096 $3,897Sumofplanning,monitoring,reportingandstoringofrecordsAnnualCostwithAmortizedCapitalCost $1,329 $2,230 $4,031Firstyearcostperwellsitecostamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcThe22wellsitespernaturalgasproductioncompanywasderivedfromtheCityofFortWorthNaturalGasAirQualityStudy,July2011.dOGImonitoringcostobtainedfromAppendix1intheCarbonLimitsReportCL‐13‐27,QuantifyingCost‐effectivenessofSystematicLeakDetectionandRepairProgramsUsingInfraredCameraseTheleakpercentagewasobtainedfromTable5ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.fThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.A‐12Table A-8. Cost of Implementing OGIMonitoring Program at a CompressorStation (Gathering and Boosting)ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualCost($/year)SemiannualCost($/year)QuarterlyCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $57.80 $57.80 $57.80Assumesthat1hourisspenttopreparethenotificationforeachcompressorsiteM21MonitoringDevice N/A N/A N/A N/A $10,800.00 $10,800.00 $10,800.00 IncludescostofM21monitoringdevice($10,800)FirstYearTotalHoursandCostperCompany 118 $16,407 $16,407 $16,407Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,notificationofinitialcompliancestatus,andpurchaseofM21monitoringCompressorStationCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $1,387.20 $1,387.20 $1,387.20HoursfromPESMemorandumbOGICameraSurvey N/A N/A N/A N/A $2,300.00 $4,600.00 $9,200.00CostfromCLReportc(outsidecontractor,compressorstation,$2,300perannualsurvey;2*$2,300forsemi‐annualsurvey;4*$2,300forquarterlysurvey)RepairCosts N/A N/A N/A N/A $3,435.54 $6,871.08 $13,742.15Assumes1.18%or46totalleaksfoundpersurvey,34.5fixedonline(34*0.17hours*$66.24/hr)and11fixedoffline(11.5*4.0hours*$66.24/hr)dOGICameraResurvey(M21Device) N/A N/A N/A N/A $22.00 $44.00 $88.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachcompressorstationandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 4 $7,376 $13,133 $24,649Sumofplanning,monitoring,reportingandstoringofrecordsAnnualCostwithAmortizedCapitalCost $10,124 $15,881 $27,396Firstyearcostperwellsitecostamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcOGImonitoringcostobtainedfromAppendix1intheCarbonLimitsReportCL‐13‐27,QuantifyingCost‐effectivenessofSystematicLeakDetectionandRepaOGIProgramsUsingInfraredCamerasdTheleakpercentagewasobtainedfromTable5ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.eThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.A‐13Table A-9. Cost of Implementing OGI Monitoring Program at a Compressor Station (Transmission)ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualCost($/year)SemiannualCost($/year)QuarterlyCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $57.80 $57.80 $57.80Assumesthat1hourisspenttopreparethenotificationforeachcompressorsiteM21MonitoringDevice N/A N/A N/A N/A $10,800.00 $10,800.00 $10,800.00 IncludescostofM21monitoringdevice($10,800)FirstYearTotalHoursandCostperCompany 118 $16,407 $16,407 $16,407Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,notificationofinitialcompliancestatus,andpurchaseofM21monitoringCompressorStationCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $1,387.20 $1,387.20 $1,387.20HoursfromPESMemorandumbOGICameraSurvey N/A N/A N/A N/A $2,300.00 $4,600.00 $9,200.00CostfromCLReportc(outsidecontractor,compressorstation,$2,300perannualsurvey;2*$2,300forsemi‐annualsurvey;4*$2,300forquarterlysurvey)RepaOGICosts N/A N/A N/A N/A $3,360.85 $6,721.70 $13,443.41Assumes1.18%or45totalleaksfoundpersurvey,34fixedonline(34*0.17hours*$66.24/hr)and11fixedoffline(11*4.0hours*$66.24/hr)dOGICameraResurvey(M21Device) N/A N/A N/A N/A $22.00 $44.00 $88.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachcompressorstationandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 4 $7,301 $12,984 $24,350Sumofplanning,monitoring,reporting,storing,andtravelAnnualCostwithAmortizedCapitalCost $10,049 $15,732 $27,097Costpercompressorstationamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcOGImonitoringcostobtainedfromAppendix1intheCarbonLimitsReportCL‐13‐27,QuantifyingCost‐effectivenessofSystematicLeakDetectionandRepaOGIProgramsUsingInfraredCamerasdTheleakpercentagewasobtainedfromTable5ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.eThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.A‐14Table A-10. Cost of Implementing OGI MonitoringProgram at a Compressor Station (Storage)ItemNumberofPeopleNumberofHoursperPersonTotalHoursLaborCost($/hour)aAnnualCost($/year)SemiannualCost($/year)QuarterlyCost($/year)CommentCompanyLevelCostsReadruleandinstructions 1 4 4 $57.80 $231.20 $231.20 $231.20HoursfromPESMemorandumb(Note:onetimecostpercompany)DevelopmentofEquipmentLeaksMonitoringPlan 2.5 24 60 $57.80 $3,468.00 $3,468.00 $3,468.00Estimatedcosttodevelopmonitoringplan.BasedonaveragenumberofpeopleandhoursfromPESMemorandumb(Note:onetimecostpercompany)InitialActivitiesPlanning 2 16 32 $57.80 $1,849.60 $1,849.60 $1,849.60HoursfromPESMemorandumb(Note:onetimecostpercompany)NotificationofInitialComplianceStatus 1 1 1 $57.80 $57.80 $57.80 $57.80Assumesthat1hourisspenttopreparethenotificationforeachcompressorsiteM21MonitoringDevice N/A N/A N/A N/A $10,800.00 $10,800.00 $10,800.00 IncludescostofM21monitoringdevice($10,800)FirstYearTotalHoursandCostperCompany 118 $16,407 $16,407 $16,407Includesreadruleandinstructions,monitoringplan,intialactivitiesplanning,notificationofinitialcompliancestatus,andpurchaseofM21monitoringCompressorStationCostsSubsequentActivitiesPlanning 2 12 24 $57.80 $1,387.20 $1,387.20 $1,387.20HoursfromPESMemorandumbOGICameraSurvey N/A N/A N/A N/A $2,300.00 $4,600.00 $9,200.00CostfromCLReportc(outsidecontractor,compressorstation,$2,300perannualsurvey;2*$2,300forsemi‐annualsurvey;4*$2,300forquarterlysurvey)RepaOGICosts N/A N/A N/A N/A $6,945.76 $13,891.52 $27,783.04Assumes1.18%or93totalleaksfoundpersurvey,70fixedonline(34*0.17hours*$66.24/hr)and11fixedoffline(23*4.0hours*$66.24/hr)dOGICameraResurvey(M21Device) N/A N/A N/A N/A $22.00 $44.00 $88.00Resurveycostsassumecostof$2.00percomponentforofflinecomponentrepaireAnnualReport 1 4 4 $57.80 $231.20 $231.20 $231.20Assumesthat4hoursarespenttopreparetheannualreportforeachcompressorstationandincludesstoring/filingofrecordsAnnualHoursandCostperWellSite 4 $10,886 $20,154 $38,689Sumofplanning,monitoring,reporting,storing,andtravelAnnualCostwithAmortizedCapitalCost $13,634 $22,902 $41,437Costpercompressorstationamortizedover8yearsat7%interestaCostsobtainedfromTable11intheMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011forgeneralandoperationsmanagers.bHoursobtainedfromAttachment7intheMemorandumfromKenMeardon,PEStoJohnSchaefer,EPA,EquipmentLeakAnalysisforAminoandPhenolicResinsNESHAPcOGImonitoringcostobtainedfromAppendix1intheCarbonLimitsReportCL‐13‐27,QuantifyingCost‐effectivenessofSystematicLeakDetectionandRepaOGIProgramsUsingInfraredCamerasdTheleakpercentagewasobtainedfromTable5ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.eThecomponentresurveycostbasedontheaveragesubsequentmonitoringfeeinTable13ofMemorandumfromCindyHancy,RTItoJodiHoward,EPA,AnalysisofEmissionReductionsTechniquesforEquipmentLeaks,December21,2011.A‐15Table A-11. Average Model Plant Cost of Control for SummaryWell Pads w/o Recovery Credits – M21 Monitoring (10,000 ppmLeak Definition; Single Pollutant)Table A-12. Average Model Plant Cost of Control Summary forWell Pads w/ Recovery Credits – M21 Monitoring (10,000 ppmLeak Definition; Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)totalch4reductionstotalVOCreductionsNumberoffacilitiesl2020ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐5518QuarterlyMonitoring$1,460 $5,407 $5,407 1.50 3.04 $1,778 0.416 0.845 $6,396 0.0157 0.0318 $169,76616,782 4,665SemiannualMonitoring$1,460 $4,482 $4,482 1.27 3.27 $1,371 0.353 0.908 $4,934 0.0133 0.0342 $130,95718,034 5,013AnnualMonitoring$1,460 $4,020 $4,020 0.82 3.72 $1,080 0.227 1.035 $3,885 0.0086 0.0390 $103,12520,539 5,709Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐16562QuarterlyMonitoring$1,460 $5,407 $5,407 0.36 0.73 $7,421 0.100 0.203 $26,696 0.0038 0.0076 $708,59912,068 1,118SemiannualMonitoring$1,460 $4,482 $4,482 0.30 0.78 $5,724 0.085 0.218 $20,593 0.0032 0.0082 $546,61112,968 1,201AnnualMonitoring$1,460 $4,020 $4,020 0.20 0.89 $4,508 0.054 0.248 $16,216 0.0021 0.0093 $430,43814,769 1,3681Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.totalQuarterly 28,849 5,7832Annualcostincludesmonitoringcostof$3,755forannual,$4,218forsemiannualand$5,143forquarterlyandamortizationofcapitalcostover8yearsat7%interest. totalSemiAnnual 31,002 6,2143Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.totalAnnual 35,308 7,077ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $5,407 $705 $4,702 1.50 3.04 $1,546 0.416 0.845 $5,562 0.0157 0.0318 $147,631SemiannualMonitoring$1,460 $4,482 $758 $3,725 1.27 3.27 $1,140 0.353 0.908 $4,100 0.0133 0.0342 $108,822AnnualMonitoring$1,460 $4,020 $863 $3,157 0.82 3.72 $848 0.227 1.035 $3,051 0.0086 0.0390 $80,990Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $5,407 $169 $5,238 0.36 0.73 $7,189 0.100 0.203 $25,862 0.0038 0.0076 $686,464SemiannualMonitoring$1,460 $4,482 $182 $4,301 0.30 0.78 $5,493 0.085 0.218 $19,759 0.0032 0.0082 $524,476AnnualMonitoring$1,460 $4,020 $207 $3,813 0.20 0.89 $4,276 0.054 0.248 $15,383 0.0021 0.0093 $408,3031Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesmonitoringcostof$3,755forannual,$4,218forsemiannualand$5,143forquarterlyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐16Table A-13. Average Model Plant Cost of Control for SummaryWell Pads w/o Recovery Credits – M21 Monitoring (10,000 ppmLeak Definition; Multi-Pollutant)Table A-14. Average Model Plant Cost of Control Summary forWell Pads w/ Recovery Credits – M21 Monitoring (10,000 ppmLeak Definition; Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $5,407 $5,407 1.50 3.04 $889 0.416 0.845 $3,198 0.0157 0.0318 $169,766SemiannualMonitoring$1,460 $4,482 $4,482 1.27 3.27 $686 0.353 0.908 $2,467 0.0133 0.0342 $130,957AnnualMonitoring$1,460 $4,020 $4,020 0.82 3.72 $540 0.227 1.035 $1,943 0.0086 0.0390 $103,125Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $5,407 $5,407 0.36 0.73 $3,710 0.100 0.203 $13,348 0.0038 0.0076 $708,599SemiannualMonitoring$1,460 $4,482 $4,482 0.30 0.78 $2,862 0.085 0.218 $10,297 0.0032 0.0082 $546,611AnnualMonitoring$1,460 $4,020 $4,020 0.20 0.89 $2,254 0.054 0.248 $8,108 0.0021 0.0093 $430,4381Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesmonitoringcostof$3,755forannual,$4,218forsemiannualand$5,143forquarterlyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $5,407 $705 $4,702 1.50 3.04 $773 0.416 0.845 $2,781 0.0157 0.0318 $147,631SemiannualMonitoring$1,460 $4,482 $758 $3,725 1.27 3.27 $570 0.353 0.908 $2,050 0.0133 0.0342 $108,822AnnualMonitoring$1,460 $4,020 $863 $3,157 0.82 3.72 $424 0.227 1.035 $1,526 0.0086 0.0390 $80,990Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $5,407 $169 $5,238 0.36 0.73 $3,594 0.100 0.203 $12,931 0.0038 0.0076 $686,464SemiannualMonitoring$1,460 $4,482 $182 $4,301 0.30 0.78 $2,746 0.085 0.218 $9,880 0.0032 0.0082 $524,476AnnualMonitoring$1,460 $4,020 $207 $3,813 0.20 0.89 $2,138 0.054 0.248 $7,691 0.0021 0.0093 $408,3031Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesmonitoringcostof$3,755forannual,$4,218forsemiannualand$5,143forquarterlyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐17Table A-15. Average Model Plant Cost of Control for SummaryWell Pads w/o Recovery Credits – M21 Monitoring (2,500 ppmLeak Definition; Single Pollutant)Table A-16. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits –M21 Monitoring (2,500 ppm LeakDefinition; Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)totalch4reductionstotalVOCreductionsNumberoffacilitiesl2020ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐5518QuarterlyMonitoring$1,460 $7,490 $7,490 0.50 4.04 $1,854 0.139 1.123 $6,669 0.0052 0.0423 $177,02822,292 6,197SemiannualMonitoring$1,460 $6,565 $6,565 0.36 4.18 $1,572 0.101 1.161 $5,655 0.0038 0.0437 $150,10923,044 6,406AnnualMonitoring$1,460 $6,103 $6,103 0.27 4.27 $1,430 0.076 1.186 $5,145 0.0029 0.0447 $136,56823,545 6,545Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐16562QuarterlyMonitoring$1,460 $7,490 $7,490 0.12 0.97 $7,738 0.033 0.269 $27,838 0.0013 0.0101 $738,90916,030 1,485SemiannualMonitoring$1,460 $6,565 $6,565 0.09 1.00 $6,562 0.024 0.278 $23,605 0.0009 0.0105 $626,55216,570 1,535AnnualMonitoring$1,460 $6,103 $6,103 0.07 1.02 $5,970 0.018 0.284 $21,475 0.0007 0.0107 $570,02916,931 1,5681Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.totalQuarterly 38,322 7,6812Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$5,824,$6,286and$7,211respectivelyandamortizationofcapitalcostover8yearsat7%interest. totalSemiAnnual 39,614 7,9403Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.totalAnnual 40,475 8,113ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,490 $936 $6,553 0.50 4.04 $1,622 0.139 1.123 $5,835 0.0052 0.0423 $154,893SemiannualMonitoring$1,460 $6,565 $968 $5,597 0.36 4.18 $1,340 0.101 1.161 $4,821 0.0038 0.0437 $127,974AnnualMonitoring$1,460 $6,103 $989 $5,113 0.27 4.27 $1,198 0.076 1.186 $4,311 0.0029 0.0447 $114,433Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,490 $224 $7,265 0.12 0.97 $7,506 0.033 0.269 $27,004 0.0013 0.0101 $716,774SemiannualMonitoring$1,460 $6,565 $232 $6,333 0.09 1.00 $6,330 0.024 0.278 $22,771 0.0009 0.0105 $604,417AnnualMonitoring$1,460 $6,103 $237 $5,866 0.07 1.02 $5,738 0.018 0.284 $20,642 0.0007 0.0107 $547,8941Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$5,824,$6,286and$7,211respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐18Table A-17. Average Model Plant Cost of Control for SummaryWell Pads w/o Recovery Credits – M21 Monitoring (2,500 ppmLeak Definition; Multi-Pollutant)Table A-18. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits –M21 Monitoring (2,500 ppm LeakDefinition; Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,490 $7,490 0.50 4.04 $927 0.139 1.123 $3,335 0.0052 0.0423 $177,028SemiannualMonitoring$1,460 $6,565 $6,565 0.36 4.18 $786 0.101 1.161 $2,828 0.0038 0.0437 $150,109AnnualMonitoring$1,460 $6,103 $6,103 0.27 4.27 $715 0.076 1.186 $2,573 0.0029 0.0447 $136,568Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,490 $7,490 0.12 0.97 $3,869 0.033 0.269 $13,919 0.0013 0.0101 $738,909SemiannualMonitoring$1,460 $6,565 $6,565 0.09 1.00 $3,281 0.024 0.278 $11,802 0.0009 0.0105 $626,552AnnualMonitoring$1,460 $6,103 $6,103 0.07 1.02 $2,985 0.018 0.284 $10,738 0.0007 0.0107 $570,0291Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$5,824,$6,286and$7,211respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,490 $936 $6,553 0.50 4.04 $811 0.139 1.123 $2,918 0.0052 0.0423 $154,893SemiannualMonitoring$1,460 $6,565 $968 $5,597 0.36 4.18 $670 0.101 1.161 $2,411 0.0038 0.0437 $127,974AnnualMonitoring$1,460 $6,103 $989 $5,113 0.27 4.27 $599 0.076 1.186 $2,156 0.0029 0.0447 $114,433Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,490 $224 $7,265 0.12 0.97 $3,753 0.033 0.269 $13,502 0.0013 0.0101 $716,774SemiannualMonitoring$1,460 $6,565 $232 $6,333 0.09 1.00 $3,165 0.024 0.278 $11,385 0.0009 0.0105 $604,417AnnualMonitoring$1,460 $6,103 $237 $5,866 0.07 1.02 $2,869 0.018 0.284 $10,321 0.0007 0.0107 $547,8941Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$5,824,$6,286and$7,211respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐19Table A-19. Average Model Plant Cost of Control for Summary WellPads w/o Recovery Credits –M21 Monitoring (500 ppm LeakDefinition; Single Pollutant)Table A-20. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits –M21 Monitoring (500 ppm LeakDefinition; Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)totalch4reductionstotalVOCreductionsNumberoffacilitiesl2020ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐5518QuarterlyMonitoring$1,460 $7,824 $7,824 0.27 4.27 $1,834 0.076 1.186 $6,597 0.0029 0.0447 $175,09823,545 6,545SemiannualMonitoring$1,460 $6,899 $6,899 0.14 4.40 $1,567 0.038 1.224 $5,637 0.0014 0.0461 $149,62724,296 6,754AnnualMonitoring$1,460 $6,437 $6,437 0.09 4.45 $1,447 0.025 1.237 $5,206 0.0010 0.0466 $138,17424,547 6,823Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐16562QuarterlyMonitoring$1,460 $7,824 $7,824 0.07 1.02 $7,654 0.018 0.284 $27,534 0.0007 0.0107 $730,85316,931 1,568SemiannualMonitoring$1,460 $6,899 $6,899 0.03 1.05 $6,540 0.009 0.293 $23,529 0.0003 0.0110 $624,53617,471 1,618AnnualMonitoring$1,460 $6,437 $6,437 0.02 1.07 $6,040 0.006 0.296 $21,728 0.0002 0.0112 $576,73417,651 1,6351Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.totalQuarterly 40,475 8,1132Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$6,157,$6,619and$7,544respectivelyandamortizationofcapitalcostover8yearsat7%interest. totalSemiAnnual 41,767 8,3723Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.totalAnnual 42,198 8,458ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,824 $989 $6,835 0.27 4.27 $1,602 0.076 1.186 $5,763 0.0029 0.0447 $152,963SemiannualMonitoring$1,460 $6,899 $1,021 $5,879 0.14 4.40 $1,335 0.038 1.224 $4,803 0.0014 0.0461 $127,492AnnualMonitoring$1,460 $6,437 $1,031 $5,406 0.09 4.45 $1,215 0.025 1.237 $4,372 0.0010 0.0466 $116,039Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,824 $237 $7,587 0.07 1.02 $7,422 0.018 0.284 $26,700 0.0007 0.0107 $708,718SemiannualMonitoring$1,460 $6,899 $245 $6,655 0.03 1.05 $6,309 0.009 0.293 $22,695 0.0003 0.0110 $602,401AnnualMonitoring$1,460 $6,437 $247 $6,190 0.02 1.07 $5,808 0.006 0.296 $20,894 0.0002 0.0112 $554,5991Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$6,157,$6,619and$7,544respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐20Table A-21. Average Model Plant Cost of Control for Summary WellPads w/o Recovery Credits –M21 Monitoring (500 ppm LeakDefinition; Multi-Pollutant)Table A-22. Average Model Plant Cost of Control Summary for Well Pads w/ Recovery Credits –M21 Monitoring (500 ppm LeakDefinition; Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,824 $7,824 0.27 4.27 $917 0.076 1.186 $3,298 0.0029 0.0447 $175,098SemiannualMonitoring$1,460 $6,899 $6,899 0.14 4.40 $783 0.038 1.224 $2,819 0.0014 0.0461 $149,627AnnualMonitoring$1,460 $6,437 $6,437 0.09 4.45 $724 0.025 1.237 $2,603 0.0010 0.0466 $138,174Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,824 $7,824 0.07 1.02 $3,827 0.018 0.284 $13,767 0.0007 0.0107 $730,853SemiannualMonitoring$1,460 $6,899 $6,899 0.03 1.05 $3,270 0.009 0.293 $11,764 0.0003 0.0110 $624,536AnnualMonitoring$1,460 $6,437 $6,437 0.02 1.07 $3,020 0.006 0.296 $10,864 0.0002 0.0112 $576,7341Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$6,157,$6,619and$7,544respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,824 $989 $6,835 0.27 4.27 $801 0.076 1.186 $2,881 0.0029 0.0447 $152,963SemiannualMonitoring$1,460 $6,899 $1,021 $5,879 0.14 4.40 $668 0.038 1.224 $2,402 0.0014 0.0461 $127,492AnnualMonitoring$1,460 $6,437 $1,031 $5,406 0.09 4.45 $608 0.025 1.237 $2,186 0.0010 0.0466 $116,039Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$1,460 $7,824 $237 $7,587 0.07 1.02 $3,711 0.018 0.284 $13,350 0.0007 0.0107 $708,718SemiannualMonitoring$1,460 $6,899 $245 $6,655 0.03 1.05 $3,154 0.009 0.293 $11,348 0.0003 0.0110 $602,401AnnualMonitoring$1,460 $6,437 $247 $6,190 0.02 1.07 $2,904 0.006 0.296 $10,447 0.0002 0.0112 $554,5991Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$6,157,$6,619and$7,544respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐21Table A-23. Nationwide Impacts – Method 21 Monitoring and Repair Plan - 2020 (Well Sites)10,000LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualIRMonitoringGasWells5,518 $1,460 $4,020 $3,157 20,539 5,709 $1,080 $848 $3,885 $3,051 $8,056,380 $22,181,525 $17,420,407OilWells16,562 $1,460 $4,020 $3,813 14,769 4,106 $4,508 $4,276 $16,216 $15,383 $24,180,821 $66,576,732 $63,153,069Semi‐AnnualIRMonitoringGasWells5,518 $1,460 $4,482 $3,725 18,034 5,013 $1,371 $1,140 $4,934 $4,100 $8,056,380 $24,733,048 $20,552,554OilWells16,562 $1,460 $4,482 $4,301 12,968 3,605 $5,724 $5,493 $20,593 $19,759 $24,180,821 $74,235,001 $71,228,858QuarterlyIRMonitoringGasWells5,518 $1,460 $5,407 $4,702 16,782 4,665 $1,778 $1,546 $6,396 $5,562 $8,056,380 $29,836,094 $25,945,913OilWells16,562 $1,460 $5,407 $5,238 12,068 3,354 $7,421 $7,189 $26,696 $25,862 $24,180,821 $89,551,539 $86,754,1561Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$3,755,$4,218and$5,143respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycredi tscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes67%reductionwi ththeimplementationofannualMethod21monitoring,72%reductionwiththeimplementationofsemi‐annualmoni toringand82%withtheimplementationofquarterlymonitoring.MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4AnnualCost($/yr)22,500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualIRMonitoringGasWells5,518 $1,460 $6,103 $5,113 23,545 1,732 $1,430 $1,198 $19,445 $16,294 $8,056,380 $33,673,726 $28,215,860OilWells16,562 $1,460 $6,103 $5,866 16,931 415 $5,970 $5,738 $243,611 $234,151 $24,180,821 $101,069,999 $97,145,312Semi‐AnnualIRMonitoringGasWells5,518 $1,460 $6,565 $5,597 23,044 1,695 $1,572 $1,340 $21,374 $18,222 $8,056,380 $36,225,249 $30,883,508OilWells16,562 $1,460 $6,565 $6,333 16,570 406 $6,562 $6,330 $267,767 $258,307 $24,180,821 $108,728,268 $104,887,085QuarterlyIRMonitoringGasWells5,518 $1,460 $7,490 $6,553 22,292 1,640 $1,854 $1,622 $25,206 $22,055 $8,056,380 $41,328,296 $36,160,742OilWells16,562 $1,460 $7,490 $7,265 16,030 393 $7,738 $7,506 $315,784 $306,325 $24,180,821 $124,044,805 $120,328,8791Capitalcostincludescostforimplementingthemoni toringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$5,824,$6,286and$7,211respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycredi tscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes89%reductionwiththeimplementationofannualMethod21moni toring,92%reductionwiththeimplementationofsemi‐annualmonitoringand94%withtheimplementationofquarterlymoni toring.CategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4MethaneCostofControl VOCCostofControl TotalNationwideCostsA‐22500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualIRMonitoringGasWells5,518 $1,460 $6,437 $5,406 24,547 1,805 $1,447 $1,215 $19,674 $16,522 $8,056,380 $35,519,634 $29,829,518OilWells16,562 $1,460 $6,437 $6,190 17,651 433 $4,343 $4,176 $246,477 $237,017 $24,180,821 $106,610,399 $102,518,704Semi‐AnnualIRMonitoringGasWells5,518 $1,460 $6,899 $5,879 24,296 1,787 $1,567 $1,335 $21,305 $18,153 $8,056,380 $38,071,157 $32,439,104OilWells16,562 $1,460 $6,899 $6,655 17,471 428 $6,540 $6,309 $266,906 $257,446 $24,180,821 $114,268,668 $110,218,725QuarterlyIRMonitoringGasWells5,518 $1,460 $7,824 $6,835 23,545 1,732 $1,834 $1,602 $24,932 $21,780 $8,056,380 $43,174,204 $37,716,337OilWells16,562 $1,460 $7,824 $7,587 16,931 415 $7,654 $7,422 $312,342 $302,882 $24,180,821 $129,585,205 $125,660,5181Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$6,157,$6,619and$7,544respectivelyandamortizationofcapi talcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes94%reductionwiththeimplementationofannualMethod21monitoring,97%reductionwiththeimplementationofsemi‐annualmonitoringand98%withtheimplementationofquarterlymonitoring.NationwideEmissionReductions4MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3A‐23Table A-24. Nationwide Impacts – Method 21 Monitoring and Repair Plan - 2025 (Well Sites)10,000LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualIRMonitoringGasWells38,393 $1,460 $4,020 $3,157 142,906 39,724 $1,080 $848 $3,885 $3,051 $56,054,478 $154,334,047 $121,207,265OilWells100,175 $1,460 $4,020 $3,813 89,332 24,832 $4,508 $4,276 $16,216 $15,383 $146,257,321 $402,688,333 $381,980,360Semi‐AnnualIRMonitoringGasWells38,393 $1,460 $4,482 $3,725 125,478 34,880 $1,371 $1,140 $4,934 $4,100 $56,054,478 $172,086,970 $143,000,039OilWells100,175 $1,460 $4,482 $4,301 78,438 21,804 $5,724 $5,493 $20,593 $19,759 $146,257,321 $449,009,253 $430,826,643QuarterlyIRMonitoringGasWells38,393 $1,460 $5,407 $4,702 116,764 32,458 $1,778 $1,546 $6,396 $5,562 $56,054,478 $207,592,817 $180,525,812OilWells100,175 $1,460 $5,407 $5,238 72,991 20,290 $7,421 $7,189 $26,696 $25,862 $146,257,321 $541,651,093 $524,731,1641Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$3,755,$4,218and$5,143respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycredi tscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes67%reductionwi ththeimplementationofannualMethod21monitoring,72%reductionwiththeimplementationofsemi‐annualmoni toringand82%withtheimplementationofquarterlymonitoring.VOCCostofControl TotalNationwideCostsWellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4MethaneCostofControlCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)22,500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualIRMonitoringGasWells38,393 $1,460 $6,103 $5,113 163,819 1,732 $1,430 $1,198 $135,297 $113,368 $56,054,478 $234,294,196 $196,319,592OilWells100,175 $1,460 $6,103 $5,866 102,405 415 $5,970 $5,738 $1,473,476 $1,416,259 $146,257,321 $611,320,321 $587,581,913Semi‐AnnualIRMonitoringGasWells38,393 $1,460 $6,565 $5,597 160,333 1,695 $1,572 $1,340 $148,712 $126,783 $56,054,478 $252,047,119 $214,880,485OilWells100,175 $1,460 $6,565 $6,333 100,226 406 $6,562 $6,330 $1,619,584 $1,562,367 $146,257,321 $657,641,241 $634,407,906QuarterlyIRMonitoringGasWells38,393 $1,460 $7,490 $6,553 155,105 1,640 $1,854 $1,622 $175,380 $153,451 $56,054,478 $287,552,965 $251,598,287OilWells100,175 $1,460 $7,490 $7,265 96,958 393 $7,738 $7,506 $1,910,017 $1,852,800 $146,257,321 $750,283,081 $727,807,3551Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$5,824,$6,286and$7,211respectivelyandamortizationofcapi talcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes89%reductionwiththeimplementationofannualMethod21monitoring,92%reductionwiththeimplementationofsemi‐annualmonitoringand94%withtheimplementationofquarterlymonitoring.CategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4MethaneCostofControl VOCCostofControl TotalNationwideCostsA‐24500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualIRMonitoringGasWells38,393 $1,460 $6,437 $5,406 170,790 1,805 $1,447 $1,215.22 $136,888 $114,959 $56,054,478 $247,137,607 $207,547,062OilWells100,175 $1,460 $6,437 $6,190 106,763 433 $3,776 $3,631 $1,490,810 $1,433,593 $146,257,321 $644,831,343 $620,082,790Semi‐AnnualIRMonitoringGasWells38,393 $1,460 $6,899 $5,879 169,047 1,787 $1,567 $1,335 $148,234 $126,305 $56,054,478 $264,890,530 $225,703,970OilWells100,175 $1,460 $6,899 $6,655 105,673 428 $6,540 $6,309 $1,614,374 $1,557,157 $146,257,321 $691,152,263 $666,656,247QuarterlyIRMonitoringGasWells38,393 $1,460 $7,824 $6,835 163,819 1,732 $1,834 $1,602 $173,468 $151,539 $56,054,478 $300,396,376 $262,421,772OilWells100,175 $1,460 $7,824 $7,587 102,405 415 $7,654 $7,422 $1,889,193 $1,831,976 $146,257,321 $783,794,103 $760,055,6951Capitalcostincludescostforimplementingthemonitoringprogramof$32,120dividedbetween22wellsitespercompany.2Annualcostincludesannual,quarterlyandsemi‐annualmonitoringcostof$6,157,$6,619and$7,544respectivelyandamortizationofcapi talcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes94%reductionwiththeimplementationofannualMethod21monitoring,97%reductionwiththeimplementationofsemi‐annualmonitoringand98%withtheimplementationofquarterlymonitoring.TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4MethaneCostofControl VOCCostofControlA‐25Table A-25. Average Model Plant Cost of Control Summary for Transmission & Storage Facilities w/o Recovery Credits – M21Monitoring (10,000 ppmLeak Definition)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductionsCH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductionsVOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)totalch4reductionstotalVOCreductionsNumberoffacilitiesl2020Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.1‐‐‐‐‐ ‐‐‐‐‐9.77‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐259QuarterlyMonitoring$30,907 $39,978 $39,978 11.6 23.5 $1,698 3.22 6.55 $6,108 0.1215 0.2466 $162,1286,098 39SemiannualMonitoring$30,907 $38,128 $38,128 9.8 25.3 $1,507 2.74 7.03 $5,421 0.1030 0.2650 $143,8896,553 42AnnualMonitoring$30,907 $37,203 $37,203 6.3 28.8 $1,291 1.76 8.01 $4,644 0.0662 0.3018 $123,2777,464 48TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.4‐‐‐‐‐ ‐‐‐‐‐1.73‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐6QuarterlyMonitoring$30,907 $39,978 $39,978 20.6 41.8 $957 0.57 1.16 $34,568 0.0169 0.0344 $1,163,827251 7SemiannualMonitoring$30,907 $38,128 $38,128 17.5 44.9 $849 0.48 1.24 $30,679 0.0144 0.0369 $1,032,900269 7AnnualMonitoring$30,907 $37,203 $37,203 11.2 51.1 $727 0.31 1.42 $26,284 0.0092 0.0420 $884,938307 8StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.4‐‐‐‐‐ ‐‐‐‐‐4.55‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐15QuarterlyMonitoring$30,907 $39,978 $39,978 54.3 110.2 $363 1.50 3.05 $13,113 0.0446 0.0906 $441,4941,652 18SemiannualMonitoring$30,907 $38,128 $38,128 46.0 118.4 $322 1.27 3.28 $11,638 0.0378 0.0973 $391,8271,776 20AnnualMonitoring$30,907 $37,203 $37,203 29.6 134.8 $276 0.82 3.73 $9,971 0.0243 0.1108 $335,6982,022 221Capitalcostincludescostforimplementingthemonitoringprogramof$30,907.totalQuarterly 1,903 252Annualcostincludesmonitoringcostof$37,007forannual,$32,756forsemiannualand$34,606forquarterlyfrequencyandamortizationofcapitalcostover8yearsat7%interest. totalSemiAnnual 2,045 273Recoverycreditscalculatedassumingthenaturalgas(92.8%methane)fromthemethanereductionhasavalueof$4/Mscf.totalAnnual 2,329 31A‐26Table A-26. Average Model Plant Cost of Control Summary for Transmission & Storage Facilitiesw/ Recovery Credits – M21Monitoring (10,000 ppmLeak Definition)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductionsCH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductionsVOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.1‐‐‐‐‐ ‐‐‐‐‐9.77‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $39,978 $5,458 $34,519 11.6 23.5 $1,466 3.22 6.55 $5,274 0.1215 0.2466 $139,993SemiannualMonitoring$30,907 $38,128 $5,865 $32,263 9.8 25.3 $1,275 2.74 7.03 $4,587 0.1030 0.2650 $121,754AnnualMonitoring$30,907 $37,203 $6,680 $30,523 6.3 28.8 $1,059 1.76 8.01 $3,810 0.0662 0.3018 $101,142TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.4‐‐‐‐‐ ‐‐‐‐‐1.73‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $39,978 $8,654 $31,324 20.6 41.8 $750 0.57 1.16 $27,085 0.0169 0.0344 $911,901SemiannualMonitoring$30,907 $38,128 $9,299 $28,828 17.5 44.9 $642 0.48 1.24 $23,196 0.0144 0.0369 $780,974AnnualMonitoring$30,907 $37,203 $10,591 $26,612 11.2 51.1 $520 0.31 1.42 $18,802 0.0092 0.0420 $633,013StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.4‐‐‐‐‐ ‐‐‐‐‐4.55‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $39,978 $22,812 $17,165 54.3 110.2 $156 1.50 3.05 $5,630 0.0446 0.0906 $189,568SemiannualMonitoring$30,907 $38,128 $24,514 $13,613 46.0 118.4 $115 1.27 3.28 $4,155 0.0378 0.0973 $139,901AnnualMonitoring$30,907 $37,203 $27,919 $9,284 29.6 134.8 $69 0.82 3.73 $2,488 0.0243 0.1108 $83,7721Capitalcostincludescostforimplementingthemonitoringprogramof$30,907.2Annualcostincludesmonitoringcostof$37,007forannual,$32,756forsemiannualand$34,606forquarterlyfrequencyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(92.8%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐27Table A-27. Average Model Plant Cost of Control Summary for Transmission & Storage Facilities w/o Recovery Credits – M21Monitoring (2,500 ppm Leak Definition)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductionsCH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductionsVOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)totalch4reductionstotalVOCreductionsNumberoffacilitiesl2020Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.1‐‐‐‐‐ ‐‐‐‐‐9.77‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐259QuarterlyMonitoring$30,907 $58,635 $58,635 3.9 31.3 $1,875 1.07 8.69 $6,744 0.0405 0.3275 $179,0128,101 52SemiannualMonitoring$30,907 $56,785 $56,785 2.8 32.3 $1,756 0.78 8.99 $6,318 0.0294 0.3386 $167,7128,374 54AnnualMonitoring$30,907 $55,860 $55,860 2.1 33.0 $1,691 0.59 9.18 $6,083 0.0221 0.3459 $161,4708,556 55TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.4‐‐‐‐‐ ‐‐‐‐‐1.73‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐6QuarterlyMonitoring$30,907 $58,635 $58,635 6.9 55.5 $1,056 0.19 1.54 $38,168 0.0056 0.0456 $1,285,029333 9SemiannualMonitoring$30,907 $56,785 $56,785 5.0 57.4 $990 0.14 1.59 $35,758 0.0041 0.0472 $1,203,912344 10AnnualMonitoring$30,907 $55,860 $55,860 3.7 58.6 $953 0.10 1.62 $34,427 0.0031 0.0482 $1,159,107352 10StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.4‐‐‐‐‐ ‐‐‐‐‐4.55‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐15QuarterlyMonitoring$30,907 $58,635 $58,635 18.1 146.3 $401 0.50 4.05 $14,479 0.0149 0.1203 $487,4712,195 24SemiannualMonitoring$30,907 $56,785 $56,785 13.2 151.3 $375 0.36 4.19 $13,565 0.0108 0.1243 $456,7002,269 25AnnualMonitoring$30,907 $55,860 $55,860 9.9 154.6 $361 0.27 4.28 $13,060 0.0081 0.1270 $439,7032,318 261Capitalcostincludescostforimplementingthemonitoringprogramof$30,907.totalQuarterly 2,528 342Annualcostincludesmonitoringcostof$55,797forannual,$56,722forsemiannualand$55,797forquarterlyfrequencyandamortizationofcapitalcostover8yearsat7%interest. totalSemiAnnual 2,613 353Recoverycreditscalculatedassumingthenaturalgas(92.8%methane)fromthemethanereductionhasavalueof$4/Mscf.totalAnnual 2,670 35A‐28Table A-28. Average Model Plant Cost of Control Summary for Transmission & Storage Facilitiesw/ Recovery Credits – M21Monitoring (2,500 ppm Leak Definition)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductionsCH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductionsVOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.1‐‐‐‐‐ ‐‐‐‐‐9.77‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $58,635 $7,250 $51,385 3.9 31.3 $1,643 1.07 8.69 $5,910 0.0405 0.3275 $156,877SemiannualMonitoring$30,907 $56,785 $7,495 $49,291 2.8 32.3 $1,525 0.78 8.99 $5,485 0.0294 0.3386 $145,577AnnualMonitoring$30,907 $55,860 $7,658 $48,203 2.1 33.0 $1,459 0.59 9.18 $5,249 0.0221 0.3459 $139,335TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.4‐‐‐‐‐ ‐‐‐‐‐1.73‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $58,635 $11,495 $47,140 6.9 55.5 $849 0.19 1.54 $30,685 0.0056 0.0456 $1,033,103SemiannualMonitoring$30,907 $56,785 $11,883 $44,903 5.0 57.4 $783 0.14 1.59 $28,276 0.0041 0.0472 $951,986AnnualMonitoring$30,907 $55,860 $12,141 $43,719 3.7 58.6 $746 0.10 1.62 $26,945 0.0031 0.0482 $907,182StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.4‐‐‐‐‐ ‐‐‐‐‐4.55‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $58,635 $30,303 $28,332 18.1 146.3 $194 0.50 4.05 $6,996 0.0149 0.1203 $235,545SemiannualMonitoring$30,907 $56,785 $31,324 $25,461 13.2 151.3 $168 0.36 4.19 $6,082 0.0108 0.1243 $204,774AnnualMonitoring$30,907 $55,860 $32,005 $23,855 9.9 154.6 $154 0.27 4.28 $5,577 0.0081 0.1270 $187,7771Capitalcostincludescostforimplementingthemonitoringprogramof$30,907.2Annualcostincludesmonitoringcostof$37,007forannual,$32,756forsemiannualand$34,606forquarterlyfrequencyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(92.8%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐29Table A-29. Average Model Plant Cost of Control Summary for Transmission & Storage Facilities w/o Recovery Credits – M21Monitoring (500 ppm Leak Definition)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductionsCH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductionsVOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)totalch4reductionstotalVOCreductionsNumberoffacilitiesl2020Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.1‐‐‐‐‐ ‐‐‐‐‐9.77‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐259QuarterlyMonitoring$30,907 $63,747 $63,747 2.1 33.0 $1,930 0.59 9.18 $6,942 0.0221 0.3459 $184,2688,556 55SemiannualMonitoring$30,907 $61,898 $61,898 1.1 34.1 $1,816 0.29 9.48 $6,532 0.0110 0.3570 $173,3888,829 57AnnualMonitoring$30,907 $60,973 $60,973 0.7 34.4 $1,770 0.20 9.57 $6,369 0.0074 0.3607 $169,0558,920 57TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.4‐‐‐‐‐ ‐‐‐‐‐1.73‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐6QuarterlyMonitoring$30,907 $63,747 $63,747 3.7 58.6 $1,087 0.10 1.62 $39,288 0.0031 0.0482 $1,322,764352 10SemiannualMonitoring$30,907 $61,898 $61,898 1.9 60.5 $1,023 0.05 1.67 $36,969 0.0015 0.0497 $1,244,661363 10AnnualMonitoring$30,907 $60,973 $60,973 1.2 61.1 $998 0.03 1.69 $36,045 0.0010 0.0502 $1,213,554367 10StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.4‐‐‐‐‐ ‐‐‐‐‐4.55‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐15QuarterlyMonitoring$30,907 $63,747 $63,747 9.9 154.6 $412 0.27 4.28 $14,904 0.0081 0.1270 $501,7852,318 26SemiannualMonitoring$30,907 $61,898 $61,898 4.9 159.5 $388 0.14 4.41 $14,024 0.0041 0.1311 $472,1582,392 26AnnualMonitoring$30,907 $60,973 $60,973 3.3 161.1 $378 0.09 4.46 $13,673 0.0027 0.1324 $460,3572,417 271Capitalcostincludescostforimplementingthemonitoringprogramof$30,907.totalQuarterly 11,226 902Annualcostincludesmonitoringcostof$55,797forannual,$56,722forsemiannualand$58,572forquarterlyfrequencyandamortizationofcapitalcostover8yearsat7%interest. totalSemiAnnual 11,584 933Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%forT&S)fromthemethanereductionhasavalueof$4/Mscf. totalAnnual 11,704 94A‐30Table A-30. Average Model Plant Cost of Control Summary for Transmission & Storage Facilitiesw/ Recovery Credits – M21Monitoring (500 ppm Leak Definition)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductionsCH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductionsVOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.1‐‐‐‐‐ ‐‐‐‐‐9.77‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $63,747 $7,658 $56,090 2.1 33.0 $1,698 0.59 9.18 $6,108 0.0221 0.3459 $162,133SemiannualMonitoring$30,907 $61,898 $7,902 $53,996 1.1 34.1 $1,584 0.29 9.48 $5,698 0.0110 0.3570 $151,253AnnualMonitoring$30,907 $60,973 $7,983 $52,990 0.7 34.4 $1,539 0.20 9.57 $5,535 0.0074 0.3607 $146,920TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.4‐‐‐‐‐ ‐‐‐‐‐1.73‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $63,747 $12,141 $51,606 3.7 58.6 $880 0.10 1.62 $31,806 0.0031 0.0482 $1,070,838SemiannualMonitoring$30,907 $61,898 $12,528 $49,369 1.9 60.5 $816 0.05 1.67 $29,486 0.0015 0.0497 $992,735AnnualMonitoring$30,907 $60,973 $12,658 $48,315 1.2 61.1 $790 0.03 1.69 $28,562 0.0010 0.0502 $961,628StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.4‐‐‐‐‐ ‐‐‐‐‐4.55‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐QuarterlyMonitoring$30,907 $63,747 $32,005 $31,742 9.9 154.6 $205 0.27 4.28 $7,421 0.0081 0.1270 $249,860SemiannualMonitoring$30,907 $61,898 $33,026 $28,871 4.9 159.5 $181 0.14 4.41 $6,541 0.0041 0.1311 $220,232AnnualMonitoring$30,907 $60,973 $33,367 $27,606 3.3 161.1 $171 0.09 4.46 $6,191 0.0027 0.1324 $208,4311Capitalcostincludescostforimplementingthemonitoringprogramof$30,907.2Annualcostincludesmonitoringcostof$55,797forannual,$56,722forsemiannualand$58,572forquarterlyfrequencyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%forT&S)fromthemethanereductionhasavalueof$4/Mscf.A‐31Table A-31. Nationwide Impacts – Method 21 Monitoring andRepair Plan - 2020 (Transmission & Storage Facilities)10,000LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsGathering&BoostingQuarterlyMonitoring259 $30,907 $39,978 $34,519 6,098 1,695 $1,698 $1,466 $6,108 $5,274 $8,004,809 $10,354,184 $8,940,547SemiannualMonitoring259 $30,907 $38,128 $32,263 6,553 1,822 $1,507 $1,275 $5,421 $4,587 $8,004,809 $9,875,138 $8,356,005AnnualMonitoring259 $30,907 $37,203 $30,523 7,464 2,075 $1,291 $1,059 $4,644 $3,810 $8,004,809 $9,635,614 $7,905,491TransmissionQuarterlyMonitoring6 $30,907 $39,978 $39,978 251 7 $957 $957 $34,568 $34,568 $185,440 $239,865 $239,865SemiannualMonitoring6 $30,907 $38,128 $38,128 269 7 $849 $849 $30,679 $30,679 $185,440 $228,768 $228,768AnnualMonitoring6 $30,907 $37,203 $37,203 307 8 $727 $727 $26,284 $26,284 $185,440 $223,219 $223,219StorageQuarterlyMonitoring15 $30,907 $39,978 $39,978 1,652 46 $363 $363 $13,113 $13,113 $463,599 $599,663 $599,663SemiannualMonitoring15 $30,907 $38,128 $38,128 1,776 49 $322 $322 $11,638 $11,638 $463,599 $571,919 $571,919AnnualMonitoring15 $30,907 $37,203 $37,203 2,022 56 $276 $276 $9,971 $9,971 $463,599 $558,047 $558,0471Capi talcostincludescostforimplementingthemonitoringprogramof$30,907percompany.2Annualcostincludesannual,semiannualandquarterlymonitoringcostof$32,027,$38,128and$39,978respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes82%reductionwiththeimplementationofannualMethod21moni toring,72%reductionwiththeimplementationofsemi‐annualmonitoringand67%wi ththeimplementationofquarterlymoni toring.MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2AnnualCostw/Savings($/yr)3Reductions42,500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsGathering&BoostingQuarterlyMonitoring259 $30,907 $58,635 $51,385 8,101 2,252 $1,875 $1,643 $6,744 $5,910 $8,004,809 $15,186,422 $13,308,605SemiannualMonitoring259 $30,907 $56,785 $49,291 8,374 2,328 $1,756 $1,525 $6,318 $5,485 $8,004,809 $14,707,376 $12,766,262AnnualMonitoring259 $30,907 $55,860 $48,203 8,556 2,378 $1,691 $1,459 $6,083 $5,249 $8,004,809 $14,467,852 $12,484,540TransmissionQuarterlyMonitoring6 $30,907 $58,635 $58,635 333 9 $1,056 $1,056 $38,168 $38,168 $185,440 $351,809 $351,809SemiannualMonitoring6 $30,907 $56,785 $56,785 344 10 $990 $990 $35,758 $35,758 $185,440 $340,711 $340,711AnnualMonitoring6 $30,907 $55,860 $55,860 352 10 $953 $953 $34,427 $34,427 $185,440 $335,163 $335,163StorageQuarterlyMonitoring15 $30,907 $58,635 $58,635 2,195 61 $401 $401 $14,479 $14,479 $463,599 $879,523 $879,523SemiannualMonitoring15 $30,907 $56,785 $56,785 2,269 63 $375 $375 $13,565 $13,565 $463,599 $851,779 $851,779AnnualMonitoring15 $30,907 $55,860 $55,860 2,318 64 $361 $361 $13,060 $13,060 $463,599 $837,907 $837,9071Capi talcostincludescostforimplementingthemonitoringprogramof$30,907percompany.2Annualcostincludesannual,semiannualandquarterlymonitoringcostof$50,685,$51,609and$53,459respectivelyandamortizationofcapi talcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes94%reductionwiththeimplementationofannualMethod21monitoring,92%reductionwiththeimplementationofsemi‐annualmonitoringand89%withtheimplementationofquarterlymonitoring.CategoryAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2AnnualCostw/Savings($/yr)3Reductions4MethaneCostofControl VOCCostofControl TotalNationwideCostsA‐32500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsGathering&BoostingQuarterlyMonitoring259 $30,907 $63,747 $56,090 8,556 2,378 $1,930 $1,698 $6,942 $6,108 $8,004,809 $16,510,591 $14,527,279SemiannualMonitoring259 $30,907 $61,898 $53,996 8,829 2,454 $1,816 $1,584 $6,532 $5,698 $8,004,809 $16,031,544 $13,984,935AnnualMonitoring259 $30,907 $60,973 $52,990 8,920 2,480 $1,770 $1,539 $6,369 $5,535 $8,004,809 $15,792,021 $13,724,313TransmissionQuarterlyMonitoring6 $30,907 $63,747 $63,747 352 10 $1,087 $1,087 $39,288 $39,288 $185,440 $382,485 $382,485SemiannualMonitoring6 $30,907 $61,898 $61,898 363 10 $1,023 $1,023 $36,969 $36,969 $185,440 $371,387 $371,387AnnualMonitoring6 $30,907 $60,973 $60,973 367 10 $998 $998 $36,045 $36,045 $185,440 $365,838 $365,838StorageQuarterlyMonitoring15 $30,907 $63,747 $63,747 2,318 64 $412 $412 $14,904 $14,904 $463,599 $956,212 $956,212SemiannualMonitoring15 $30,907 $61,898 $61,898 2,392 66 $388 $388 $14,024 $14,024 $463,599 $928,468 $928,468AnnualMonitoring15 $30,907 $60,973 $60,973 2,417 67 $378 $378 $13,673 $13,673 $463,599 $914,596 $914,5961Capi talcostincludescostforimplementingthemoni toringprogramof$30,907percompany.2Annualcostincludesannual,semiannualandquarterlymoni toringcostof$55,797,$56,722and$58,572respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes98%reductionwiththeimplementationofannualMethod21monitoring,97%reductionwiththeimplementationofsemi‐annualmonitoringand94%withtheimplementationofquarterlymonitoring.TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4MethaneCostofControl VOCCostofControlA‐33Table A-32. Nationwide Impacts – Method 21 Monitoring andRepair Plan - 2025 (Transmission & Storage Facilities)10,000LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsGathering&BoostingQuarterlyMonitoring1,554 $30,907 $39,978 $34,519 36,590 10,171 $1,698 $1,466 $6,108 $5,274 $48,028,856 $62,125,104 $53,643,280SemiannualMonitoring1,554 $30,907 $38,128 $32,263 39,320 10,930 $1,507 $1,275 $5,421 $4,587 $48,028,856 $59,250,825 $50,136,030AnnualMonitoring1,554 $30,907 $37,203 $30,523 44,781 12,448 $1,291 $1,059 $4,644 $3,810 $48,028,856 $57,813,686 $47,432,947TransmissionQuarterlyMonitoring36 $30,907 $39,978 $39,978 1,504 41.6 $957 $957 $34,568 $34,568 $1,112,638 $1,439,192 $1,439,192SemiannualMonitoring36 $30,907 $38,128 $38,128 1,617 44.7 $849 $849 $30,679 $30,679 $1,112,638 $1,372,606 $1,372,606AnnualMonitoring36 $30,907 $37,203 $37,203 1,841 51.0 $727 $727 $26,284 $26,284 $1,112,638 $1,339,313 $1,339,313StorageQuarterlyMonitoring90 $30,907 $39,978 $39,978 9,914 274.4 $363 $363 $13,113 $13,113 $2,781,594 $3,597,979 $3,597,979SemiannualMonitoring90 $30,907 $38,128 $38,128 10,654 294.9 $322 $322 $11,638 $11,638 $2,781,594 $3,431,515 $3,431,515AnnualMonitoring90 $30,907 $37,203 $37,203 12,134 335.8 $276 $276 $9,971 $9,971 $2,781,594 $3,348,283 $3,348,2831Capitalcostincludescostforimplementingthemonitoringprogramof$30,907percompany.2Annualcostincludesannual,semiannualandquarterlymonitoringcostof$32,027,$38,128and$39,978respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes82%reductionwiththeimplementationofannualMethod21monitoring,72%reductionwiththeimplementationofsemi‐annualmonitoringand67%withtheimplementationofquarterlymonitoring.MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2AnnualCostw/Savings($/yr)3Reductions42,500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsGathering&BoostingQuarterlyMonitoring1,554 $30,907 $58,635 $51,385 48,604 13,511 $1,875 $1,643 $6,744 $5,910 $48,028,856 $91,118,532 $79,851,631SemiannualMonitoring1,554 $30,907 $56,785 $49,291 50,243 13,966 $1,756 $1,525 $6,318 $5,485 $48,028,856 $88,244,253 $76,597,570AnnualMonitoring1,554 $30,907 $55,860 $48,203 51,335 14,270 $1,691 $1,459 $6,083 $5,249 $48,028,856 $86,807,114 $74,907,242TransmissionQuarterlyMonitoring36 $30,907 $58,635 $58,635 1,998 55.3 $1,056 $1,056 $38,168 $38,168 $1,112,638 $2,110,854 $2,110,854SemiannualMonitoring36 $30,907 $56,785 $56,785 2,066 57.2 $990 $990 $35,758 $35,758 $1,112,638 $2,044,268 $2,044,268AnnualMonitoring36 $30,907 $55,860 $55,860 2,111 58.4 $953 $953 $34,427 $34,427 $1,112,638 $2,010,976 $2,010,976StorageQuarterlyMonitoring90 $30,907 $58,635 $58,635 13,170 364.5 $401 $401 $14,479 $14,479 $2,781,594 $5,277,135 $5,277,135SemiannualMonitoring90 $30,907 $56,785 $56,785 13,614 376.8 $375 $375 $13,565 $13,565 $2,781,594 $5,110,671 $5,110,671AnnualMonitoring90 $30,907 $55,860 $55,860 13,910 385.0 $361 $361 $13,060 $13,060 $2,781,594 $5,027,439 $5,027,4391Capitalcostincludescostforimplementingthemonitoringprogramof$30,907percompany.2Annualcostincludesannual,semiannualandquarterlymonitoringcostof$50,685,$51,609and$53,459respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes94%reductionwiththeimplementationofannualMethod21monitoring,92%reductionwiththeimplementationofsemi‐annualmonitoringand89%withtheimplementationofquarterlymonitoring.VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/SavingsNationwideEmissionMethaneCostofControlA‐34500LeakDetectionMethane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsGathering&BoostingQuarterlyMonitoring1,554 $30,907 $63,747 $56,090 51,335 14,270 $1,930 $1,698 $6,942 $6,108 $48,028,856 $99,063,545 $87,163,672SemiannualMonitoring1,554 $30,907 $61,898 $53,996 52,973 14,725 $1,816 $1,584 $6,532 $5,698 $48,028,856 $96,189,266 $83,909,611AnnualMonitoring1,554 $30,907 $60,973 $52,990 53,519 14,877 $1,770 $1,539 $6,369 $5,535 $48,028,856 $94,752,127 $82,345,877TransmissionQuarterlyMonitoring36 $30,907 $63,747 $63,747 2,111 58.4 $1,087 $1,087 $39,288 $39,288 $1,112,638 $2,294,908 $2,294,908SemiannualMonitoring36 $30,907 $61,898 $61,898 2,178 60.3 $1,023 $1,023 $36,969 $36,969 $1,112,638 $2,228,323 $2,228,323AnnualMonitoring36 $30,907 $60,973 $60,973 2,200 60.9 $998 $998 $36,045 $36,045 $1,112,638 $2,195,030 $2,195,030StorageQuarterlyMonitoring90 $30,907 $63,747 $63,747 13,910 385.0 $412 $412 $14,904 $14,904 $2,781,594 $5,737,271 $5,737,271SemiannualMonitoring90 $30,907 $61,898 $61,898 14,354 397.2 $388 $388 $14,024 $14,024 $2,781,594 $5,570,807 $5,570,807AnnualMonitoring90 $30,907 $60,973 $60,973 14,502 401.3 $378 $378 $13,673 $13,673 $2,781,594 $5,487,575 $5,487,5751Capitalcostincludescostforimplementingthemonitoringprogramof$30,907percompany.2Annualcostincludesannual,semiannualandquarterlymonitoringcostof$55,797,$56,722and$58,572respectivelyandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes98%reductionwiththeimplementationofannualMethod21monitoring,97%reductionwiththeimplementationofsemi‐annualmonitoringand94%withtheimplementationofquarterlymonitoring.TotalNationwideCostsCategoryEstimatedAnnualNumberofCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/SavingsNationwideEmissionMethaneCostofControl VOCCostofControlA‐35Table A-33. OGI - Average Model Plant Costof Control Summary for Well Pads w/o Recovery Credits – Annual OGI Monitoring(Single Pollutant)Table A-34. OGI - Average Model Plant Costof Control Summary for Well Pads w/ Recovery Credits – Annual OGI Monitoring(Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $1,329 $1,329 2.72 1.82 $732 0.757 0.505 $2,633 0.0285 0.0190 $69,899Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $1,329 $1,329 0.65 0.44 $3,055 0.181 0.121 $10,992 0.0068 0.0046 $291,7571Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$1,195andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $1,329 $421 $908 2.72 1.82 $500 0.757 0.505 $1,799 0.0285 0.0190 $47,764Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $1,329 $101 $1,228 0.65 0.44 $2,824 0.181 0.121 $10,158 0.0068 0.0046 $269,6221Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$1,195andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐36Table A-35. OGI- Average Model Plant Costof Control Summary for Well Pads w/o Recovery Credits – Annual OGI Monitoring(Multi-Pollutant)Table A-36. OGI - Average Model Plant Costof Control Summary for Well Pads w/ Recovery Credits – Annual OGI Monitoring(Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $1,329 $1,329 2.72 1.82 $366 0.757 0.505 $1,317 0.0285 0.0190 $34,950Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $1,329 $1,329 0.65 0.44 $1,528 0.181 0.121 $5,496 0.0068 0.0046 $145,8791Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$1,195andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $1,329 $421 $908 2.72 1.82 $250 0.757 0.505 $900 0.0285 0.0190 $23,882Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $1,329 $101 $1,228 0.65 0.44 $1,412 0.181 0.121 $5,079 0.0068 0.0046 $134,8111Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$1,195andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐37Table A-37. OGI - Average Model Plant Cost of Control Summary for Well Padsw/o Recovery Credits – Semiannual OGIMonitoring (Single Pollutant)Table A-38. OGI - Average Model Plant Cost of Control Summary for Well Padsw/ Recovery Credits – Semiannual OGIMonitoring (Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $2,230 $2,230 1.82 2.72 $819 0.505 0.757 $2,945 0.0190 0.0285 $78,180Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $2,230 $2,230 0.44 0.65 $3,417 0.121 0.181 $12,294 0.0046 0.0068 $326,3201Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$2,096andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $2,230 $631 $1,599 1.82 2.72 $587 0.505 0.757 $2,111 0.0190 0.0285 $56,045Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $2,230 $151 $2,079 0.44 0.65 $3,186 0.121 0.181 $11,460 0.0046 0.0068 $304,1851Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$2,096andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐38Table A-39. OGI - Average Model Plant Cost of Control Summary for Well Padsw/o Recovery Credits – Semiannual OGIMonitoring (Multi-Pollutant)Table A-40. OGI - Average Model Plant Cost of Control Summary for Well Padsw/ Recovery Credits – Semiannual OGIMonitoring (Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $2,230 $2,230 1.82 2.72 $409 0.505 0.757 $1,473 0.0190 0.0285 $39,090Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $2,230 $2,230 0.44 0.65 $1,709 0.121 0.181 $6,147 0.0046 0.0068 $163,1601Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$2,096andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $2,230 $631 $1,599 1.82 2.72 $293 0.505 0.757 $1,056 0.0190 0.0285 $28,022Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $2,230 $151 $2,079 0.44 0.65 $1,593 0.121 0.181 $5,730 0.0046 0.0068 $152,0921Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$2,096andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐39Table A-41. OGI - Average Model Plant Costof Control Summary for Well Pads w/o Recovery Credits – Quarterly OGI Monitoring(Single Pollutant)Table A-42. OGI - Average Model Plant Costof Control Summary for Well Pads w/ Recovery Credits – Quarterly OGI Monitoring(Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $4,031 $4,031 0.91 3.63 $1,110 0.252 1.009 $3,994 0.0095 0.0380 $106,005Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $4,031 $4,031 0.22 0.87 $4,634 0.060 0.242 $16,669 0.0023 0.0091 $442,4621Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$3,897andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.AverageModelPlantCostofControlSummaryforWellPadsw/RecoveryCredits‐QuarterlyOGIMonitoringModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $4,031 $842 $3,190 0.91 3.63 $878 0.252 1.009 $3,160 0.0095 0.0380 $83,870Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $4,031 $202 $3,830 0.22 0.87 $4,402 0.060 0.242 $15,836 0.0023 0.0091 $420,3271Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$3,897andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐40Table A-43. OGI - Average Model Plant Costof Control Summary for Well Pads w/o Recovery Credits – Quarterly OGI Monitoring(Multi-Pollutant)Table A-44. OGI - Average Model Plant Costof Control Summary for Well Pads w/ Recovery Credits – Quarterly OGI Monitoring(Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $4,031 $4,031 0.91 3.63 $555 0.252 1.009 $1,997 0.0095 0.0380 $53,003Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $4,031 $4,031 0.22 0.87 $2,317 0.060 0.242 $8,335 0.0023 0.0091 $221,2311Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$3,897andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualLDARCost($/yr)2RecoveryCredits($/yr)3AnnualLDARCostw/RecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)ModelPlantBaseline‐GasWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐4.54‐‐‐‐‐ ‐‐‐‐‐1.262‐‐‐‐‐ ‐‐‐‐‐0.0475‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Gas$801 $4,031 $842 $3,190 0.91 3.63 $439 0.252 1.009 $1,580 0.0095 0.0380 $41,935Baseline‐OilWells‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐1.09‐‐‐‐‐ ‐‐‐‐‐0.302‐‐‐‐‐ ‐‐‐‐‐0.0114‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring‐Oil$801 $4,031 $202 $3,830 0.22 0.87 $2,201 0.060 0.242 $7,918 0.0023 0.0091 $210,1641Capitalcostincludescostforimplementingthemonitoringprogramof$17,620dividedbetween22wellsitespercompany.2Annualcostincludesannualmonitoringcostof$3,897andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.A‐41Table A-45. Nationwide Impacts – OGI Monitoring and Repair Plan - 2020 (Well Sites)Table A-46. Nationwide Impacts – OGI Monitoring and Repair Plan - 2025 (Well Sites)Methane(Tons/yr) VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualOGIMonitoringGasWells5,518 $801 $1,329 $908 10,019 2,785 $732 $500 $2,633 $1,799 $4,419,517 $7,334,130 $5,011,633OilWells16,562 $801 $1,329 $1,228 7,205 2,003 $3,055 $2,824 $10,992 $10,158 $13,264,957 $22,013,022 $20,342,942Semi‐AnnualOGIMonitoringGasWells5,518 $801 $2,230 $1,599 15,029 4,178 $819 $587 $2,945 $2,111 $4,419,517 $12,304,426 $8,820,682OilWells16,562 $801 $2,230 $2,079 10,807 3,004 $3,417 $3,186 $12,294 $11,460 $13,264,957 $36,931,117 $34,425,998QuarterlyOGIMonitoringGasWells5,518 $801 $4,031 $3,190 20,038 5,570 $1,110 $878 $3,994 $3,160 $4,419,517 $22,245,019 $17,600,027OilWells16,562 $801 $4,031 $3,830 14,409 4,005 $4,634 $4,402 $16,669 $15,836 $13,264,957 $66,767,309 $63,427,1501CapitalcostincludescostforimplementingthemonitoringprogramwhichIncludesreadrule,monitoringplan,intialactivitiesplanning,notificationofinitialcompliancestatus,andpurchaseofM21monitoringdevice.2Annualcostincludesannual,quarterlyorsemi‐annualmonitoring,planning,monitoring,storingofrecordsandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes40%reductionwithannualOGIcameramonitoring,60%reductionwithsemi‐annualOGIcameramonitoringand80%withquarterlyOGIcameramonitoring.MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4AnnualCost($/yr)2Methane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualOGIMonitoringGasWells38,933 $801 $1,329 $908 70,691 19,650 $732 $500 $2,633 $1,799 $31,182,502 $51,746,950 $35,360,261OilWells100,175 $801 $1,329 $1,228 43,577 12,113 $3,055 $2,824 $10,992 $10,158 $80,232,890 $133,145,421 $123,043,971Semi‐AnnualOGIMonitoringGasWells38,933 $801 $2,230 $1,599 106,036 29,475 $819 $587 $2,945 $2,111 $31,182,502 $86,815,553 $62,235,520OilWells100,175 $801 $2,230 $2,079 65,365 18,170 $3,417 $3,186 $12,294 $11,460 $80,232,890 $223,377,291 $208,225,116QuarterlyOGIMonitoringGasWells38,933 $801 $4,031 $3,190 141,381 39,300 $1,110 $878 $3,994 $3,160 $31,182,502 $156,952,761 $124,179,383OilWells100,175 $801 $4,031 $3,830 87,153 24,226 $4,634 $4,402 $16,669 $15,836 $80,232,890 $403,841,031 $383,638,1311CapitalcostincludescostforimplementingthemonitoringprogramwhichIncludesreadrule,monitoringplan,intialactivitiesplanning,notificationofinitialcompliancestatus,andpurchaseofM21monitoringdevice.2Annualcostincludesannual,quarterlyorsemi‐annualmonitoring,planning,monitoring,storingofrecordsandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.4Assumes40%reductionwithannualOGIcameramonitoring,60%reductionwithsemi‐annualOGIcameramonitoringand80%withquarterlyOGIcameramonitoring.MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4A‐42Table A-47. OGI - Average Model Plant Costof Control Summary for Compressor Stations w/o Recovery Credits – Annual OGIMonitoring (Single Pollutant)Table A-48. OGI - Average Model Plant Costof Control Summary for Compressor Stations w/ Recovery Credits – Annual OGIMonitoring (Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,124 $10,124 21.09 14.06 $720 5.861 3.907 $2,591 0.2208 0.1472 $68,768TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,049 $10,049 37.42 24.95 $403 1.036 0.690 $14,554 0.0308 0.0205 $490,009StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $13,634 $13,634 98.65 65.77 $207 2.730 1.820 $7,491 0.0811 0.0541 $252,1971Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$7,376forG&B,$7,301fortransmission,$10,886forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,124 $3,259 $6,865 21.09 14.06 $488 5.861 3.907 $1,757 0.2208 0.1472 $46,633TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,049 $5,166 $4,882 37.42 24.95 $196 1.036 0.690 $7,071 0.0308 0.0205 $238,083StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $13,634 $13,619 $15 98.65 65.77 $0 2.730 1.820 $8 0.0811 0.0541 $2711Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$7,376forG&B,$7,301fortransmission,$10,886forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.A‐43Table A-49. OGI - Average Model Plant Costof Control Summary for Gathering & Boosting Stations w/o Recovery Credits –Annual OGI Monitoring (Multi-Pollutant)Table A-50. OGI - Average Model Plant Cost ofControl Summary for Gathering & BoostingStations w/ Recovery Credits – AnnualOGI Monitoring (Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,124 $10,124 21.09 14.06 $360 5.861 3.907 $1,295 0.2208 0.1472 $34,384TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,049 $10,049 37.42 24.95 $201 1.036 0.690 $7,277 0.0308 0.0205 $245,005StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $13,634 $13,634 98.65 65.77 $104 2.730 1.820 $3,745 0.0811 0.0541 $126,0981Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$7,376forG&B,$7,301fortransmission,$10,886forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,124 $3,259 $6,865 21.09 14.06 $244 5.861 3.907 $878 0.2208 0.1472 $23,317TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $10,049 $5,166 $4,882 37.42 24.95 $98 1.036 0.690 $3,536 0.0308 0.0205 $119,042StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $13,634 $13,619 $15 98.65 65.77 $0 2.730 1.820 $4 0.0811 0.0541 $1351Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$7,376forG&B,$7,301fortransmission,$10,886forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.A‐44Table A-51. OGI - Average Model Plant Costof Control Summary for Compressor Stations w/o Recovery Credits – SemiannualOGI Monitoring (Single Pollutant)Table A-52. OGI - Average Model Plant Costof Control Summary for Compressor Stationsw/ Recovery Credits – Semiannual OGIMonitoring (Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,881 $15,881 14.06 21.09 $753 3.907 5.861 $2,710 0.1472 0.2208 $71,919TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,732 $15,732 24.95 37.42 $420 0.690 1.036 $15,190 0.0205 0.0308 $511,413StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $22,902 $22,902 65.77 98.65 $232 1.820 2.730 $8,388 0.0541 0.0811 $282,4211Capitalcostincludescostforimplementingthemonitoringprogramof$5,607.2Annualcostincludesannualmonitoringcostof$9,654andamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methane)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,881 $4,888 $10,993 14.06 21.09 $521 3.907 5.861 $1,876 0.1472 0.2208 $49,784TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,732 $7,750 $7,982 24.95 37.42 $213 0.690 1.036 $7,707 0.0205 0.0308 $259,488StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $22,902 $20,429 $2,473 65.77 98.65 $25 1.820 2.730 $906 0.0541 0.0811 $30,4951Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$13,133forG&B,$12,984fortransmission,$20,154forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.A‐45Table A-53. OGI - Average Model Plant Costof Control Summary for Gathering & Boosting Stations w/o Recovery Credits –Semiannual OGI Monitoring (Multi-Pollutant)Table A-54. OGI - Average Model Plant Costof Control Summary for Gathering & Boosting Stations w/ Recovery Credits –Semiannual OGI Monitoring (Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,881 $15,881 14.06 21.09 $377 3.907 5.861 $1,355 0.1472 0.2208 $35,960TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,732 $15,732 24.95 37.42 $210 0.690 1.036 $7,595 0.0205 0.0308 $255,707StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $22,902 $22,902 65.77 98.65 $116 1.820 2.730 $4,194 0.0541 0.0811 $141,2101Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$13,133forG&B,$12,984fortransmission,$20,154forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,881 $4,888 $10,993 14.06 21.09 $261 3.907 5.861 $938 0.1472 0.2208 $24,892TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $15,732 $7,750 $7,982 24.95 37.42 $107 0.690 1.036 $3,854 0.0205 0.0308 $129,744StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $22,902 $20,429 $2,473 65.77 98.65 $13 1.820 2.730 $453 0.0541 0.0811 $15,2471Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$13,133forG&B,$12,984fortransmission,$20,154forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.A‐46Table A-55. OGI - Average Model Plant Costof Control for Summary Compressor Stationsw/o Recovery Credits – Quarterly OGIMonitoring (Single Pollutant)Table A-56. OGI - Average Model Plant Costof Control Summary for Compressor Stationsw/o Recovery Credits – Quarterly OGIMonitoring (Single Pollutant)ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,396 $27,396 7.03 28.11 $974 1.954 7.815 $3,506 0.0736 0.2944 $93,050TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,097 $27,097 12.47 49.90 $543 0.345 1.381 $19,623 0.0103 0.0410 $660,671StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $41,437 $41,437 32.88 131.54 $315 0.910 3.640 $11,383 0.0270 0.1081 $383,2501Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$24,649forG&B,$24,350fortransmission,$38,689forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,396 $6,517 $20,879 7.03 28.11 $743 1.954 7.815 $2,672 0.0736 0.2944 $70,915TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,097 $10,333 $16,765 12.47 49.90 $336 0.345 1.381 $12,140 0.0103 0.0410 $408,745StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $41,437 $27,238 $14,199 32.88 131.54 $108 0.910 3.640 $3,901 0.0270 0.1081 $131,3241Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$24,649forG&B,$24,350fortransmission,$38,689forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.A‐47Table A-57. OGI - Average Model Plant Costof Control Summary for Gathering & Boosting Stations w/o Recovery Credits –Quarterly OGI Monitoring (Multi-Pollutant)Table A-58. OGI - Average Model Plant Costof Control Summary for Gathering & Boosting Stations w/ Recovery Credits –Quarterly OGI Monitoring (Multi-Pollutant)ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,396 $27,396 7.03 28.11 $487 1.954 7.815 $1,753 0.0736 0.2944 $46,525TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,097 $27,097 12.47 49.90 $272 0.345 1.381 $9,812 0.0103 0.0410 $330,335StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $41,437 $41,437 32.88 131.54 $158 0.910 3.640 $5,692 0.0270 0.1081 $191,6251Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$24,649forG&B,$24,350fortransmission,$38,689forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.ModelPlantTotalCapitalInvestment1AnnualCost($/yr)2RecoveryCredits($/yr)3AnnualCostw/oRecoveryCredits($/yr)TotalCH4Emissions(Tons/yr)TotalCH4EmissionReductions(Tons/yr)CH4CostEffectiveness($/Ton)TotalVOCEmissions(Tons/yr)TotalVOCEmissionReductions(Tons/yr)VOCCostEffectiveness($/Ton)HAPEmissions(Tons/yr)HAPEmissionReductions(Tons/yr)HAPCostEffectiveness($/Ton)Gathering&BoostingModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐35.14‐‐‐‐‐ ‐‐‐‐‐9.769‐‐‐‐‐ ‐‐‐‐‐0.3680‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,396 $6,517 $20,879 7.03 28.11 $371 1.954 7.815 $1,336 0.0736 0.2944 $35,457TransmissionModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐62.37‐‐‐‐‐ ‐‐‐‐‐1.726‐‐‐‐‐ ‐‐‐‐‐0.0513‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $27,097 $10,333 $16,765 12.47 49.90 $168 0.345 1.381 $6,070 0.0103 0.0410 $204,373StorageModelPlantBaseline‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐ ‐‐‐‐‐164.42‐‐‐‐‐ ‐‐‐‐‐4.550‐‐‐‐‐ ‐‐‐‐‐0.1352‐‐‐‐‐ ‐‐‐‐‐OGIMonitoring$16,407 $41,437 $27,238 $14,199 32.88 131.54 $54 0.910 3.640 $1,950 0.0270 0.1081 $65,6621Capitalcostincludescostforimplementingthemonitoringprogramof$16,407.2Annualcostincludesannualmonitoringcostof$24,649forG&B,$24,350fortransmission,$38,689forstorageandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforG&B,92.8%fortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.A‐48Table A-59. Nationwide Impacts – OGI Monitoringand Repair Plan - 2020 (Compressor Stations)Methane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualOGIMonitoringGathering&Boosting259 $16,407 $10,124 $6,865 3,641 1,012 $720 $488 $2,591 $1,757 $4,249,309 $2,622,000 $1,778,037Transmission6 $16,407 $10,049 $10,049 150 4 $403 $403 $14,554 $14,554 $98,440 $60,293 $60,293Storage15 $16,407 $13,634 $13,634 987 27 $207 $207 $7,491 $7,491 $246,099 $204,507 $204,507Semi‐AnnualOGIMonitoringGathering&Boosting259 $16,407 $15,881 $10,993 5,461 1,518 $753 $521 $2,710 $1,876 $4,249,309 $4,113,202 $2,847,258Transmission6 $16,407 $15,732 $15,732 225 6 $420 $420 $15,190 $15,190 $98,440 $94,390 $94,390Storage15 $16,407 $22,902 $22,902 1,480 41 $232 $232 $8,388 $8,388 $246,099 $343,523 $343,523QuarterlyOGIMonitoringGathering&Boosting259 $16,407 $27,396 $20,879 7,282 2,024 $974 $743 $3,506 $2,672 $4,249,309 $7,095,606 $5,407,681Transmission6 $16,407 $27,097 $27,097 299 8 $543 $543 $19,623 $19,623 $98,440 $162,585 $162,585Storage15 $16,407 $41,437 $41,437 1,973 55 $315 $315 $11,383 $11,383 $246,099 $621,556 $621,5561CapitalcostincludescostforimplementingthemonitoringprogramwhichIncludesreadrule,monitoringplan,intialactivitiesplanning,noti ficationofinitialcompliancestatus,andpurchaseofM21monitoringdevice.2Annualcostincludesannual,quarterlyorsemi‐annualmonitoring,planning,monitoring,storingofrecordsandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforgatheringandboosting,92.8%methanefortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.4Assumes40%reductionwithannualOGIcameramonitoring,60%reductionwithsemi‐annualOGIcameramonitoringand80%withquarterlyOGIcameramonitoring.VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2NationwideEmissionReductions4MethaneCostofControlWellSiteAnnualCostw/Savings($/yr)3A‐49Table A-60. Nationwide Impacts – OGI Monitoring andRepair Plan - 2025 (Gathering & Boosting Stations)Methane(Tons/yr)VOC(Tons/yr)w/oSavings($/Ton)w/Savings($/Ton)w/oSavings($/Ton)w/Savings($/Ton) CapitalCostAnnualCostw/osavingsAnnualCostw/SavingsAnnualOGIMonitoringGathering&Boosting1,554 $16,407 $10,124 $6,865 21,845 6,072 $720 $488 $2,591 $1,757 $25,495,856 $15,731,998 $10,668,223Transmission36 $16,407 $10,049 $10,049 898 25 $403 $403 $14,554 $14,554 $590,638 $361,759 $361,759Storage90 $16,407 $13,634 $13,634 5,919 164 $207 $207 $7,491 $7,491 $1,476,594 $1,227,040 $1,227,040Semi‐AnnualOGIMonitoringGathering&Boosting1,554 $16,407 $15,881 $10,993 32,767 9,108 $753 $521 $2,710 $1,876 $25,495,856 $24,679,212 $17,083,548Transmission36 $16,407 $15,732 $15,732 1,347 37 $420 $420 $15,190 $15,190 $590,638 $566,342 $566,342Storage90 $16,407 $22,902 $22,902 8,879 246 $232 $232 $8,388 $8,388 $1,476,594 $2,061,138 $2,061,138QuarterlyOGIMonitoringGathering&Boosting1,554 $16,407 $27,396 $20,879 43,689 12,144 $974 $743 $3,506 $2,672 $25,495,856 $42,573,638 $32,446,087Transmission36 $16,407 $27,097 $27,097 1,796 50 $543 $543 $19,623 $19,623 $590,638 $975,507 $975,507Storage90 $16,407 $41,437 $41,437 11,838 328 $315 $315 $11,383 $11,383 $1,476,594 $3,729,335 $3,729,3351CapitalcostincludescostforimplementingthemonitoringprogramwhichIncludesreadrule,monitoringplan,intialactivitiesplanning,noti ficationofinitialcompliancestatus,andpurchaseofM21monitoringdevice.2Annualcostincludesannual,quarterlyorsemi‐annualmonitoring,planning,monitoring,storingofrecordsandamortizationofcapitalcostover8yearsat7%interest.3Recoverycreditscalculatedassumingthenaturalgas(82.9%methaneforgatheringandboosting,92.8%methanefortransmissionandstorage)fromthemethanereductionhasavalueof$4/Mscf.4Assumes40%reductionwiththeimplementationofannualOGIcameramonitoring,60%reductionwiththeimplementationofsemi‐annualOGIcameramonitoringand80%withtheimplementationofquarterlyOGIcameramonitoring.MethaneCostofControl VOCCostofControl TotalNationwideCostsCategoryEstimatedAnnualNumberofNewSourcesCapitalCost($)1AnnualCost($/yr)2WellSiteAnnualCostw/Savings($/yr)3NationwideEmissionReductions4