This page provides an overview of the Subpart W acid gas removal units source category e-GGRT reporting requirements.

Please see Reporting Form Instructions 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 acid gas removal units source category is applicable to Onshore Petroleum and Natural Gas Production and Onshore Natural Gas Processing.

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

• Unit ID or Name is required for Onshore Natural Gas Processing facilities only
• Calculation Methodology Used (98.236(c)(3)(vii)), choose one:
  • Calculation Methodology 1 ((98.233(d)(1))
  • Calculation Methodology 2 ((98.233(d)(2))
  • Calculation Methodology 3 ((98.233(d)(3))
  • Calculation Methodology 4 ((98.233(d)(4))
• Total CO2 Emissions (98.236(c)(3)(v)
• If Calculation Methodology 1 was used, report Annual average fraction of CO2 content in the vent from the acid gas removal unit (98.236(c)(3)(ii))

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.