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Adding or Updating Process Vents Unit Information

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To add or update Subpart Y Process Vents unit information for this Facility, locate the PROCESS VENTS UNITS EMISSIONS SUMMARY table on the Subpart Y Overview page.

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To delete an existing Process Vent unit, click on the delete icon, which is the last column in the PROCESS VENTS UNITS EMISSIONS SUMMARY table.

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Subpart Y collects the following data about your Process Vent unit:

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To add or update Subpart Y Process Vents unit emissions information, locate the PROCESS VENTS UNITS EMISSIONS SUMMARY table on the Subpart Y Overview page, and click OPEN.

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Subpart Y collects the following data about your Process Vent unit:

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• Annual CO₂ emissions from this process vent (metric tons). To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-19 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, copy the value of CO₂ calculated by the spreadsheet to this page in the box next to "Annual “Annual CO₂ emission from this process vent (metric tons)."”
• Annual average mole fraction of CO₂
• Method used to measure or estimate the annual average mole fraction of CO₂:
  • Engineering estimates/process knowledge
  • Direct measurement
  • Other (specify)

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• Annual CH₄ emissions from this process vent (metric tons). To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-19 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, copy the value of CH₄ calculated by the spreadsheet to this page in the box next to "Annual “Annual CH₄ emission from this process vent (metric tons)."”
• Annual average mole fraction of CH₄
• Method used to measure or estimate the annual average mole fraction of CH₄:
  • Engineering estimates/process knowledge
  • Direct measurement
  • Other (specify)

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• Annual N₂O emissions from this process vent (metric tons). To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-19 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, copy the value of N₂O calculated by the spreadsheet to this page in the box next to "Annual “Annual N₂O emission from this process vent (metric tons)."”
• Annual average mole fraction of N₂O
• Method used to measure or estimate the annual average mole fraction of N₂O:
  • Engineering estimates/process knowledge
  • Direct measurement
  • Other (specify)

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