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. 2018 519991 Subpart W Test Facility 1710 SAIC Dr McLean VA 20010 N 221210 SAIC 1710 SAIC Dr. Virigina VA 22102 100 3349.6 0 0 N Carbon Dioxide 661.3 Methane 107.53 Nitrous Oxide 0 6 Liquefied natural gas (LNG) storage [98.230(a)(6)] Sample workbook for Liquefied natural gas (LNG) storage 661.3 3349.7 107.53 0.000 Onshore Production [98.236(aa)(1)] No Facility Overview [98.236(aa)(2-11)] Yes Natural Gas Pneumatic Devices [98.236(b)] No 0.0 0.00 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 659.7 0.45 0.000 Centrifugal Compressors [98.236(o)] Yes 1.1 8.31 Reciprocating Compressors [98.236(p)] Yes 0.5 3.29 Equipment Leaks Surveys and Population Counts [98.236(q,r)] Yes 0.0 95.48 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 280275 236333 560000 659.7 0.45 0.000 Yes Yes Flare ID 1 Yes 598 Flare ID 2 No Yes No 1245788 0.98 0.95 0.01 0 61.6622703 0.4544635 0.0002741 Flare ID 2 Mole fraction of CH4 in flare feed gas, XCH4 Hourly 336 Calculated on averaging samples before and after device malfunction Flare ID 2 Mole fraction of CO2 in flare feed gas, XCO2 Quarterly 1 Calculated based on following quarter measurement Centrifugal Compressor 2 Total time in operating mode (hours) Hourly 16 Estimated based on operating mode before and after log 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 Measured flow rate (standard cubic feet/hour) Daily 168 Estimated based on measurements before and after device malfunction Leak or Vent ID 6 Mole fraction CO2 Quarterly 1 Calculated based on activity data from following quarter 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 by average number of measurements taken at different location on same compressor 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 based on number of measurements taken on days before and after time Leak or Vent ID 3 Mole fraction CO2 Quarterly 1 Calculated based on activity data from following quarter Leak or Vent ID 3 Mole fraction CH4 Daily 200 Estimated based on measurements before and after device malfunction 1.1 8.31 Yes Yes Centrifugal Compressor 1 3462 5298 Yes No Yes 10/15/2018 - 10/25/2018 Wet 1 4250 Yes Centrifugal Compressor 2 4450 4310 No Yes No Wet 1 4250 No Centrifugal Compressor 1 Blowdown valve Leak or Vent ID 1 Control1 Centrifugal Compressor 1 Isolation valve Leak or Vent ID 2 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 6 Centrifugal Compressor 2 Wet seal Leak or Vent ID 5 Leak or Vent ID 1 2018-01-15 Temporary meter 62 Not manifolded Centrifugal Compressor 1 Leak or Vent ID 1 2018-03-30 Screening/Acoustic leak detection 58 Not manifolded Centrifugal Compressor 1 Leak or Vent ID 6 2018-06-15 Acoustic leak detection 0 Not manifolded Centrifugal Compressor 2 Operating Wet seal 8.8 6 Facility-specific Operating Blowdown valve 12.6 4 Facility-specific Not-operating Isolation valve 0.6 4 Facility-specific Leak or Vent ID 2 92633 No Not manifolded Leak or Vent ID 3 116453 No Not manifolded Leak or Vent ID 1 Single Atmosphere Yes No 0.5 3.79 Control1 Single Flare 100 Leak or Vent ID 2 Single Atmosphere No Yes 0.2 1.69 Leak or Vent ID 3 Single Atmosphere No Yes 0.3 2.12 Leak or Vent ID 4 Single Combustion (fuel or thermal oxidizer) 95 Leak or Vent ID 6 Single Atmosphere Yes No 0 0 Leak or Vent ID 5 Single Atmosphere No No 0.1 0.71 Reciprocating Compressor 1 Total time in operating mode (hours) Hourly 180 Estimated based on operating mode before and after log error Reciprocating Compressor 1 Total time in standby-pressurized-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 1 Measured flow rate (standard cubic feet/hour) Continuous 465 Estimated based on measurements before and after meter malfunction Operating 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 measurements taken at different location on same compressor Operating Rod packing 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 Leak or Vent ID 4 Measured volume of flow during the reporting year (million standard cubic feet) Hourly 58 Estimated based on measurements before and after malfunction Leak or Vent ID 4 Mole fraction CH4 Quarterly 1 Calculated based on activity data from following quarter 0.5 3.29 Yes Yes Reciprocating Compressor 1 5122 1746 1892 No Yes Yes Yes 10/15/2018- 10/30/2018 250 No Reciprocating Compressor 2 2715 6045 0 Yes No No No 125 Yes Reciprocating Compressor 1 Blowdown valve Leak or Vent ID 1 Control 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 Reciprocating Compressor 2 Isolation valve Leak or Vent ID 5 Reciprocating Compressor 2 Rod packing Leak or Vent ID 6 Leak or Vent ID 1 2018-02-20 Screening/Acoustic leak detection 16 Not manifolded Reciprocating Compressor 1 Leak or Vent ID 1 2018-10-04 Screening/Acoustic leak detection 0 Not manifolded Reciprocating Compressor 1 Operating Blowdown valve 0.6 8 Facility-specific Operating Rod packing 53 8 Facility-specific Standby-pressurized Blowdown valve 0 7 Facility-specific Not-operating-depressurized Isolation valve 0 2 Facility-specific Leak or Vent ID 2 0.15 No Not manifolded Leak or Vent ID 4 0.3 No After commingling Leak or Vent ID 1 Single Atmosphere Yes No 0.1 0.67 Control 1 Single Flare 100 Leak or Vent ID 2 Single Atmosphere No Yes 0 0 Leak or Vent ID 3 Single Combustion (fuel or thermal oxidizer) 100 Leak or Vent ID 4 Single Atmosphere No Yes 0 0 Leak or Vent ID 5 Single Atmosphere No No 0 0 Leak or Vent ID 6 Single Atmosphere No No 0.4 2.62 LNG Storage Compressor - Vapor Recovery Compressor Total number of emission source type, Counte Quarterly 1 estimated using measurement from following quarter LNG Storage, LNG Service - Valve LNG Storage, LNG Service - Valve LNG Storage, LNG Service - Valve Total number of surveyed component type identified as leaking Quarterly 1 estimated using measurement from following quarter LNG Storage, LNG Service - Connector LNG Storage, LNG Service - Connector LNG Storage, LNG Service - Connector Total number of surveyed component type identified as leaking Semiannually 336 averaged daily measurements from days before and after missing measurement 0.0 95.48 Yes Yes Yes Yes 1 No No Yes No No No LNG Storage, LNG Service - Valve 12 8760 0 2.4017818 LNG Storage, LNG Service - Connector 8 8760 0 0.4574822 LNG Storage, LNG Service - Pump Seal 0 0 0 0 LNG Storage, LNG Service - Other 1 8760 0 0.2976998 LNG Storage, Gas Service - Valve 5 8760 0 12.4798464 LNG Storage, Gas Service - Connector 7 8760 0 6.581353 LNG Storage, Gas Service - Open-Ended Line 3 8760 0 8.7140275 LNG Storage, Gas Service - Pressure Relief Valve 7 8760 0 46.693463 LNG Storage, Gas Service - Meter and Instrument 4 8760 0 13.0046054 LNG Storage, Gas Service - Other 5 8760 0 3.447936 LNG Storage Compressor, Gas Service - Vapor Recovery Compressor 2 8760 0 1.4 2018-01-01 2018-12-31 2019-02-11T11:40:00