This page provides an overview of the Subpart W natural gas pneumatic devices source category e-GGRT reporting requirements.

Please see Reporting Form Instructions on downloading the blank reporting form and uploading the completed reporting form.
You may also refer to Optional Calculation Spreadsheet Instructions to download the Subpart W calculation spreadsheet.

The natural gas pneumatic devices source category is applicable to Onshore Petroleum and Natural Gas Production, Onshore Natural Gas Transmission Compression, and Underground Natural Gas Storage.

Indicate if the facility has the source type via the radio buttons.

• If the source type is present you must report required elements.

If the facility has the source type, the Best Available Monitoring Methods and Missing Data table must be completed.

• For further information, see Best Available Monitoring Methods and Missing Data Reporting.

Reporting Requirements

• Required emissions for each type of pneumatic device at the facility:
  • Total CO₂ Emissions (mt CO₂)
  • Total CH₂ Emissions (mt CO₂e)
  • Actual Count
  • Estimated Count

Total Emissions

The total emissions roll-up at the top of the sheet reflects the sum of the CO₂ equivalents of each gas emission reported for the source type.  These summations are reflected and aggregated on the Introduction tab.