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 30635.9 0 0 N Carbon Dioxide 17020.4 Methane 544.31 Nitrous Oxide 0.026 5 Underground natural gas storage [98.230(a)(5)] Sample workbook for Underground natural gas storage 17020.4 30635.9 544.31 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 2.2 75.60 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)] No 0.0 0.00 Atmospheric Storage Tanks [98.236(j)] No 0.0 0.00 0.000 Transmission Storage Tanks [98.236(k)] No 0.0 0.00 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 16977.3 76.69 0.026 Centrifugal Compressors [98.236(o)] Yes 9.1 62.76 Reciprocating Compressors [98.236(p)] Yes 28.1 195.05 Equipment Leaks Surveys and Population Counts [98.236(q,r)] Yes 3.7 134.21 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 34463235 26696440 68101064 2.2 75.60 Yes Yes Yes Yes High-bleed Pneumatic Devices 13 1.090196 37.8045158 8760 Intermittent Bleed Pneumatic Devices 89 0.963713 33.418489 8760 Low-Bleed Pneumatic Devices 20 0.1262526 4.3780378 8760 Intermittent Bleed Pneumatic Devices Concentration of CO2 in produced or processed natural gas Quarterly 2 average of the concentration from quarter before and quarter after Low-Bleed Pneumatic Devices Concentration of CH4 in produced or processed natural gas Monthly 2000 estimated from subsequent month that monitoring device was working 16977.3 76.69 0.026 Yes Yes Unique Flare Stack ID 1 Yes 6572 Unique Flare Stack ID 2 Yes No No 92743821 0.98 0.95 0.01 0 4590.5038105 33.8329459 0.0114539 Unique Flare Stack ID 3 No No No 117477903 0.98 0.95 0.01 0 5814.7567736 42.855939 0.0145085 Unique Flare Stack ID 2 Mole fraction of CH4 in flare feed gas, XCH4 Weekly 336 Estimated using weekly measurements before and after device malfunction Unique Flare Stack ID 3 Mole fraction of CO2 in flare feed gas, XCO2 Quarterly 1 Estimated using the quaterly measurement following Centrifugal Compressor 2 Total time in operating mode (hours) Hourly 5 Estimated based on operating mode before and after lcg error Centrifugal Compressor 2 Total time in not-operating-depressurized mode (hours) Quarterly 1 Calculated based on activity data from following quarter Leak or Vent ID 1 Mole fraction CO2 Quarterly 1 Calculated based on activity data from following quarter Leak or Vent ID 4 Measured flow rate (standard cubic feet/hour) Weekly 336 Estimated based on measurements before and after device malfunction Not-operating Wet seal Total number of compressors measured in the compressor mode-source combination in current reporting year and preceding two reporting years Weekly 28 Estimated based on number of measurements taken on days before and after time Not-operating Blowdown 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 by average number of compressors per site Leak or Vent ID 6 Mole fraction CO2 Daily 200 Estimated based on measurements before and after Leak or Vent ID 6 Mole fraction CH4 Quarterly 2 Calculated based on activity data from following quarter 9.1 62.76 Yes Yes Centrifugal Compressor 1 365 8395 No Yes Yes 03/20/2018 - 03/25/2018 Wet 2 4250 Yes Centrifugal Compressor 2 827 7933 Yes Yes No Dry 7688 Yes Centrifugal Compressor 3 289 8471 No Yes No Dry 4250 Yes Centrifugal Compressor 1 Blowdown valve Leak or Vent ID 1 Control 1 Centrifugal Compressor 1 Isolation valve Leak or Vent ID 2 Control 1 Centrifugal Compressor 1 Wet seal Leak or Vent ID 3 Centrifugal Compressor 2 Blowdown valve Leak or Vent ID 4 Centrifugal Compressor 2 Isolation valve Leak or Vent ID 5 Centrifugal Compressor 2 Wet seal Centrifugal Compressor 3 Blowdown valve Leak or Vent ID 6 Centrifugal Compressor 3 Isolation valve Leak or Vent ID 7 Centrifugal Compressor 3 Wet seal Leak or Vent ID 1 2020-05-20 Screening/Optical gas imaging 0 Not manifolded Centrifugal Compressor 1 Leak or Vent ID 4 2020-09-01 Temporary meter 3 Not manifolded Centrifugal Compressor 2 Operating Wet seal 216 25 All applicable facilities Operating Blowdown valve 902 62 All applicable facilities Not-operating Isolation valve 384 8 All applicable facilities Leak or Vent ID 6 185226 Yes Not manifolded Leak or Vent ID 1 Single Atmosphere Yes No 0 0 Control 1 Manifold Vapor recovery 100 Leak or Vent ID 2 Single Flare 100 Leak or Vent ID 3 Single Combustion (fuel or thermal oxidizer) 75 Leak or Vent ID 4 Single Atmosphere Yes No 0 0.05 Leak or Vent ID 5 Single Flare 100 Leak or Vent ID 6 Single Atmosphere No Yes 0.5 3.38 Leak or Vent ID 7 Single Atmosphere No No 8.6 59.33 Reciprocating Compressor 3 Total time in not-operating-depressurized mode (hours) Quarterly 1 Calculated based on activity data from following quarter Reciprocating Compressor 3 Total time in standby-pressurized-mode (hours) Weekly 200 Calculated based on activity data from previous weeks Leak or Vent ID 4 Mole fraction CO2 Quarterly 1 Calculated based on activity data from following quarter Leak or Vent ID 4 Mole fraction CH4 Hourly 48 Estimated based on measurements before and after malfunction Standby-pressurized Isolation valve Total number of compressors measured in the compressor mode-source combination in current reporting year and preceding two reporting years Quarterly 1 Calculated based on activity data from following quarter Not-operating-depressurized Blowdown valve Total number of compressors measured in the compressor mode-source combination in current reporting year and preceding two reporting years Monthly 300 Estimated by average number of compressors per site Leak or Vent ID 5 Mole fraction CO2 Quarterly 1 Calculated based on activity data from following quarter Leak or Vent ID 5 Mole fraction CH4 Hourly 65 Estimated based on measurements before and after 28.1 195.05 Yes Yes Reciprocating Compressor 1 1983 6390 387 No Yes Yes No 3000 No Reciprocating Compressor 2 3630 518 4612 Yes No No Yes 01/15/2018 - 01/25/2018 5000 Yes Reciprocating Compressor 3 8600 100 60 Yes No Yes No 1500 Yes Reciprocating Compressor 1 Blowdown valve Leak or Vent ID 1 Reciprocating Compressor 1 Isolation valve Leak or Vent ID 2 Reciprocating Compressor 1 Rod packing Leak or Vent ID 3 Reciprocating Compressor 2 Blowdown valve Leak or Vent ID 4 Control 1 Reciprocating Compressor 2 Isolation valve Leak or Vent ID 5 Reciprocating Compressor 2 Rod packing Leak or Vent ID 6 Reciprocating Compressor 3 Blowdown valve Leak or Vent ID 7 Reciprocating Compressor 3 Isolation valve Leak or Vent ID 8 Reciprocating Compressor 3 Rod packing Leak or Vent ID 9 Leak or Vent ID 1 2020-01-30 Acoustic leak detection 186 Not manifolded Reciprocating Compressor 1 Leak or Vent ID 2 2021-01-30 Acoustic leak detection 0 Not manifolded Reciprocating Compressor 1 Leak or Vent ID 2 2020-06-30 Temporary meter 10 Not manifolded Reciprocating Compressor 1 Leak or Vent ID 4 2020-06-30 Screening/Optical gas imaging 11 Not manifolded Reciprocating Compressor 2 Leak or Vent ID 7 2020-06-30 Temporary meter 500 Not manifolded Reciprocating Compressor 3 Leak or Vent ID 8 2020-06-30 Temporary meter 400 Not manifolded Reciprocating Compressor 3 Operating Blowdown valve 137 112 All applicable facilities Operating Rod packing 234 10 All applicable facilities Standby-pressurized Blowdown valve 170 42 All applicable facilities Not-operating-depressurized Isolation valve 600 42 All applicable facilities Leak or Vent ID 9 0.12 No Not manifolded Leak or Vent ID 1 Single Atmosphere Yes No 3.8 26.63 Leak or Vent ID 2 Single Atmosphere Yes No 0 0.04 Leak or Vent ID 3 Single Combustion (fuel or thermal oxidizer) 100 Leak or Vent ID 4 Single Atmosphere Yes No 0.3 2.33 Control 1 Single Flare 60 Leak or Vent ID 5 Single Atmosphere No No 7.3 50.47 Leak or Vent ID 6 Single Vapor recovery 100 Leak or Vent ID 7 Single Atmosphere Yes No 11.3 78.43 Leak or Vent ID 8 Single Atmosphere Yes No 0.1 0.44 Leak or Vent ID 9 Single Atmosphere No Yes 5.3 36.71 Storage Wellheads - Valve Total number of emission source type, Counte Semiannually 48 averaged measurements from before and after missing measurement Storage Wellheads - Connector Total number of emission source type, Counte Quarterly 1 estimated using following quarter measurement Storage Station, Gas Service - Pressure Relief Valve Storage Station, Gas Service - Pressure Relief Valve Storage Station, Gas Service - Pressure Relief Valve Total number of surveyed component type identified as leaking Quarterly 1 estimated using measurement from following quarter Storage Station, Gas Service - Meter and Instrument Storage Station, Gas Service - Meter and Instrument Storage Station, Gas Service - Meter and Instrument Total number of surveyed component type identified as leaking Semiannually 72 averaged measurements from before and after missing measurement 3.7 134.21 Yes Yes Yes Yes 2 Yes Yes No No No No Storage Station, Gas Service - Valve 7 8760 0.4 17.03 Storage Station, Gas Service - Connector (other) 1 8760 0 0.917 Storage Station, Gas Service - Open-ended Line 3 8760 0.1 8.49 Storage Station, Gas Service - Pressure Relief Valve 1 8760 0.2 6.5 Storage Station, Gas Service - Meter and Instrument 5 8760 0.4 15.85 Storage Station, Gas Service - Other 8 8760 0.166248 5.3787802 Storage Wellheads, Gas Service - Valve 5 8760 0.1140421 3.689712 Storage Wellheads, Gas Service - Connector (other than flanges) 7 8760 0.0425757 1.3774925 Storage Wellheads, Gas Service - Flange 1 8760 0.0192604 0.6231514 Storage Wellheads, Gas Service - Open-Ended Line 5 8760 0.0633567 2.04984 Storage Wellheads, Gas Service - Pressure Relief Valve 6 8760 0.124686 4.0340851 Storage Wellheads, Gas Service - Other 7 8760 0.145467 4.7064326 Storage wellheads, Gas Service - Valves 2386 8000 1.1044317 35.732736 Storage wellheads, Gas Service - Connector 31 8760 0.0015712 0.050836 Storage wellheads, Gas Service - Open-ended line 37 8760 0.0056261 0.1820258 Storage wellheads, Gas Service - Pressure Relief Valve 990 8760 0.8530346 27.5990458 2022-01-01 2022-12-31 2022-12-13T11:51:38