The designated representative or alternate designated representative must sign (i.e., agree to) this certification statement. If you are an agent and you click on "SUBMIT", you are not agreeing to the certification statement, but are submitting the certification statement on behalf of the designated representative or alternate designated representative who is agreeing to the certification statement. An agent is only authorized to make the electronic submission on behalf of the designated representative, not to sign (i.e., agree to) the certification statement. 2022 519991 Subpart W Test Facility 1710 SAIC Dr McLean VA 20010 N 221210 SAIC 1710 SAIC Dr. Virigina VA 22102 100 26029.9 0 0 N Carbon Dioxide 16720.7 Methane 372.06 Nitrous Oxide 0.026 4 Onshore natural gas transmission compression [98.230(a)(4)] Sample workbook for Onshore natural gas transmission compression 16720.7 26030.0 372.06 0.026 Onshore Production [98.236(aa)(1)] No Facility Overview [98.236(aa)(2-11)] Yes Natural Gas Pneumatic Devices [98.236(b)] Yes 5.6 192.87 Natural Gas Driven Pneumatic Pumps [98.236(c)] No 0.0 0.00 Acid Gas Removal Units [98.236(d)] No 0.0 Dehydrators [98.236(e)] No 0.0 0.00 0.000 Well Venting for Liquids Unloading [98.236(f)] No 0.0 0.00 Completions and Workovers with Hydraulic Fracturing [98.236(g)] No 0.0 0.00 0.000 Completions and Workovers without Hydraulic Fracturing [98.236(h)] No 0.0 0.00 0.000 Blowdown Vent Stacks [98.236(i)] Yes 1.0 34.67 Atmospheric Storage Tanks [98.236(j)] No 0.0 0.00 0.000 Transmission Storage Tanks [98.236(k)] Yes 6.3 25.61 0.000 Well Testing [98.236(l)] No 0.0 0.00 0.000 Associated Gas Venting and Flaring [98.236(m)] No 0.0 0.00 0.000 Flare Stacks [98.236(n)] Yes 16693.3 76.69 0.026 Centrifugal Compressors [98.236(o)] Yes 0.3 11.64 Reciprocating Compressors [98.236(p)] Yes 0.7 25.68 Equipment Leaks Surveys and Population Counts [98.236(q,r)] Yes 13.5 4.90 Offshore Petroleum and Natural Gas Production [98.236(s)] No 0.0 0.00 0.000 Enhanced Oil Recovery Injection Pumps [98.236(w)] No 0.0 Enhanced Oil Recovery Hydrocarbon Liquids [98.236(x)] No 0.0 Combustion Equipment at Onshore Petroleum and Natural Gas Production Facilities, Onshore Petroleum and Natural Gas Gathering and Boosting Facilities, and Natural gas Distribution Facilities [98.236(z)] No 0.0 0.00 0.000 203312207 7 27480 720 880 5.6 192.87 Yes Yes Yes Yes High-bleed Pneumatic Devices 25 2.0965308 72.700992 8760 Intermittent Bleed Pneumatic Devices 246 2.6637461 92.3702054 8760 Low-Bleed Pneumatic Devices 127 0.8017042 27.8005398 8760 High-bleed Pneumatic Devices Total Number Annually Estimated from installation records Intermittent Bleed Pneumatic Devices Concentration of CO2 in produced or processed natural gas Monthly 650 Estimated from subsequent month that monitoring device was working Low-Bleed Pneumatic Devices Concentration of CH4 in produced or processed natural gas Quarterly 2 Average of the concentration from quarter before and quarter after Calculated by equipment or event type Pipeline venting Concentration of CO2 in processed natural gas Quarterly 3 Calculated based on activity data from following quarter Using flow meters Temperature Daily 8760 Calculated from averaging measurements before and after device malfunction 1.0 34.67 Yes Yes Combination of flow meters and calculating by equipment or event type Facility piping 25 0.011806 0.4093949 Pipeline venting 80 0.0020674 0.0716894 Compressors 311 0.3937571 13.6542374 Scrubbers/strainers 36 0.0171614 0.5951035 Pig launchers and receivers 53 0.1614648 5.5990844 Emergency shutdowns 5 0.0013413 0.046512 All other equipment with a physical volume greater than or equal 50 cubic feet 114 0.1325535 4.5965314 0.2795306 9.6932285 Tank 1 Measured leak rate to atmosphere (standard cubic feet/hour) Monthly 3760 Calculated from averaging measurements before and after device malfunction Tank 2 Duration of time leak is counted as having occurred (vented to atmosphere) (hours) Quarterly 3 Calculated based on activity data from following quarter 6.3 25.61 0.000 Yes Yes Tank 1 Optical gas imaging Yes Yes Yes Flow meter 213.35 2280 0.256 8.87 Yes Flow meter 213.35 6480 3.24 0.5 0.0002 Tank 2 Flow meter No No Tank 3 Calibrated bag Yes No Yes Calibrated bag 91.4 8760 0.42 14.6 Tank 4 High volume sampler No No Tank 5 Acoustic leak detection Yes Yes Yes High volume sampler 5 8700 0.114 0.8 Yes Flow meter 46 48 2.3 0.84 0 16693.3 76.69 0.026 Yes Yes Flare Stack 10 Yes 6288 Flare Stack 11 Yes No No 92743821 0.98 0.95 0.01 0 4590.5038105 33.8329459 0.0114539 Flare Stack 12 No No No 117477903 0.98 0.95 0.01 0 5814.7567736 42.855939 0.0145085 Flare Stack 11 Mole fraction of CH4 in flare feed gas, XCH4 Semiannually 3200 Measurement taken in subsequent year Flare Stack 12 Mole fraction of CO2 in flare feed gas, XCO2 Quarterly 2 Averaged from quarter before and quarter after Comp 3 Total time in not-operating-depressurized mode (hours) N/A (i.e., activity data parameters that are determined but not measured) Used engineering estimates Comp 3 Total time in not-operating-depressurized mode (hours) Quarterly 4 Used engineering estimates Comp 4 Total time in not-operating-depressurized mode (hours) Monthly 8760 Used engineering estimates IVC3 Measured flow rate (standard cubic feet/hour) Quarterly 3 Measured as soon as possible the subseqent year BVC1 Mole fraction CO2 Monthly 720 Averaged measurements from the month before and the month after Operating Wet seal Total number of compressors measured in the compressor mode-source combination in current reporting year and preceding two reporting years N/A (i.e., activity data parameters that are determined but not measured) Estimated count based engineering records Not-operating Isolation valve Total number of compressors measured in the compressor mode-source combination in current reporting year and preceding two reporting years N/A (i.e., activity data parameters that are determined but not measured) Estimated count based engineering records BVandIVC2 Measured volume of flow during the reporting year (million standard cubic feet) Continuous 17 Averaged measurements before and after the missing measurement period BVandIVC2 Mole fraction CH4 Quarterly 1 Averaged measurements from the quarter before and the quarter after 0.3 11.64 Yes Yes Comp 1 8760 0 Yes No No Wet 2 7500 No Comp 2 8659 101 Yes Yes No Wet 2 7500 Yes Comp 3 2100 102 No Yes Yes 4/1/19-12/31/19 Dry 4000 Yes Comp 4 6000 2760 No No No Wet 1 3000 Yes Comp 1 Blowdown valve BVC1 Comp 1 Isolation valve IVC1 Comp 1 Wet seal WSC1 M1 Comp 2 Blowdown valve BVandIVC2 Comp 2 Isolation valve BVandIVC2 Comp 2 Wet seal WSC2 M1 Comp 3 Blowdown valve BVC3 Comp 3 Isolation valve IVC3 Comp 3 Wet seal Comp 4 Blowdown valve M2 Comp 4 Isolation valve M2 Comp 4 Wet seal M2 BVC1 2020-02-01 High volume sampler 13.4 Not manifolded Comp 1 IVC3 2021-01-14 Temporary meter 0 Prior to commingling Comp 3 WSC1 2020-02-01 Temporary meter 18.3 Not manifolded Comp 1 Operating Wet seal 6.94 5 All applicable facilities Operating Blowdown valve 5.7 6 All applicable facilities Not-operating Isolation valve 4.6 2 Facility-specific BVandIVC2 0.320383 No Not manifolded BVC1 Single Atmosphere Yes No 0.061744 2.1636219 IVC1 Single Atmosphere No No 0 0 WSC1 Single Atmosphere Yes No 0.069633 2.4400687 M1 Manifold Flare 99 BVandIVC2 Manifold Atmosphere No Yes 0.1685215 5.9052995 WSC2 Single Atmosphere No No 0.0260386 0.9124397 BVC3 Single Atmosphere No No 0.0062962 0.220631 IVC3 Single Atmosphere Yes No 0 0 M2 Manifold Combustion (fuel or thermal oxidizer) 100 Comp 8 Total time in not-operating-depressurized mode (hours) N/A (i.e., activity data parameters that are determined but not measured) Used engineering estimates Comp 8 Total time in not-operating-depressurized mode (hours) Quarterly 3 Used engineering estimates Comp 8 Total time in standby-pressurized-mode (hours) Weekly 2000 Used engineering estimates BVC6 Measured flow rate (standard cubic feet/hour) Quarterly 3 Conducted measurement as soon as possible in 2018 BVC6 Mole fraction CO2 Monthly 720 Averaged measurements before and after the missing measurement for mole fraction Operating Isolation valve Compressor mode-source combination reporter emission factor, EFs,m N/A (i.e., activity data parameters that are determined but not measured) Estimated count based engineering records Standby-pressurized Blowdown valve Compressor mode-source combination reporter emission factor, EFs,m N/A (i.e., activity data parameters that are determined but not measured) Estimated count based engineering records Not-operating-depressurized Rod packing Compressor mode-source combination reporter emission factor, EFs,m N/A (i.e., activity data parameters that are determined but not measured) Estimated count based engineering records BVandIVC7 Measured volume of flow during the reporting year (million standard cubic feet) Continuous 23 Averaged measurements from before and after the missing data period BVandIVC7 Mole fraction CH4 Quarterly 1 Averaged measurements before and after the missing measurement for mole fraction 0.7 25.68 Yes Yes Comp 6 8760 0 0 Yes No No No 2500 No Comp 7 4380 4229 151 Yes Yes Yes No 2500 Yes Comp 8 0 7316 100 No Yes Yes Yes 5/10/2019-7/5/2019 500 Yes Comp 6 Blowdown valve BVC6 Comp 6 Isolation valve IVC6 Comp 6 Rod packing RPC6 Comp 7 Blowdown valve BVandIVC7 Comp 7 Isolation valve BVandIVC7 Comp 7 Rod packing RPC7 Comp 8 Blowdown valve BVC8 M3 Comp 8 Isolation valve IVC8 M3 Comp 8 Rod packing RPC8 BVC6 2021-01-14 High volume sampler 32.9 Not manifolded Comp 6 BVC8 2020-07-16 Temporary meter 45.2 Prior to commingling Comp 8 RPC7 2020-07-16 Calibrated bagging 138.3 Not manifolded Comp 7 IVC8 2020-11-01 Screening/Optical gas imaging 0 Not manifolded Comp 8 Operating Blowdown valve 12.9166667 6 Facility-specific Operating Rod packing 33.96 5 All applicable facilities Standby-pressurized Blowdown valve 16.65 4 All applicable facilities Not-operating-depressurized Isolation valve 8.8 3 All applicable facilities BVandIVC7 0.163002 No Prior to commingling BVC6 Single Atmosphere Yes No 0.1364358 5.3343102 IVC6 Single Atmosphere No No 0 0 RPC6 Single Atmosphere No No 0 0 BVandIVC7 Manifold Atmosphere No Yes 0.0771651 3.0169714 RPC7 Single Atmosphere Yes No 0.2867639 11.2117796 BVC8 Single Atmosphere Yes No 0.1565454 6.1205492 M3 Manifold Flare 99.6 IVC8 Single Atmosphere Yes No 0 0 RPC8 Single Atmosphere No No 0 0 Compressor Components, Gas Service - Valve Compressor Components, Gas Service - Valve Compressor Components, Gas Service - Valve Total number of surveyed component type identified as leaking Quarterly 1 Averaged measurements before and after missing quarter Compressor Components, Gas Service - Connector Compressor Components, Gas Service - Connector Compressor Components, Gas Service - Connector Total number of surveyed component type identified as leaking Monthly 40 Estimated surveryed components from missing field report 13.5 4.90 Yes Yes Yes 10 Yes No No No No No Compressor Components, Gas Service - Valve 36 50 1.37 0.5 Compressor Components, Gas Service - Connector 37 51 0.54 0.197 Compressor Components, Gas Service - Open-ended Line 38 52 1.75 0.64 Compressor Components, Gas Service - Pressure Relief Valve 39 53 4.2 1.5 Compressor Components, Gas Service - Meter or Instrument 40 54 2.14 0.782 Compressor Components, Gas Service - Other 0 0 0 0 Non-Compressor Components, Gas Service - Valve 41 55 0.74 0.27 Non-Compressor Components, Gas Service - Connector 42 56 0.689 0.251 Non-Compressor Components, Gas Service - Open-ended Line 43 57 1.42 0.517 Non-Compressor components, Gas Service - Pressure Relief Valve 44 58 0.263 0.096 Non-Compressor components, Gas Service - Meter or Instrument 45 59 0.399 0.146 Non-Compressor components, Gas Service - Other 0 0 0 0 2022-01-01 2022-12-31 2022-12-13T11:45:19