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e-GGRT will use Step A3.2: Equation PP-3b to calculate facility-level CO₂ quantities for flow meters with segregation by subtracting the total annual mass of CO₂ measured by all flow meters downstream of the point(s) of segregation from the total annual mass of CO₂ measured by all flow meters upstream of the point(s) of segregation.  For example, if your facility captures a portion of CO₂ for use onsite, and supplies the other portion for commercial applications or to inject or sequester it underground, e-GGRT would use the value you entered for total CO₂ captured (flow meter upstream of segregation) less the value you entered for CO₂ used onsite (flow meter downstream of segregation) to calculate the CO₂ quantity supplied.  If you supply captured CO₂ in containers, see Supplier Type C.

Each Step is described below.

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For each flow meter measuring on a mass basis, e-GGRT will calculate emissions GHGs using Equation PP-1 described in Step A2.1.

For each flow meter measuring on a volume basis, e-GGRT will calculate emissions GHGs using Equation PP-2 described in Step A2.2.

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• C1: CO₂ Stream Information
• C2
  • C2.1: Equation PP-1 (mass-based measurements)
    OR
  • C2.2: Equation PP-2 (volume-based measurements)
• C3: Equation PP-3a (aggregation of CO₂ streams supplied in containers)

The steps required for Capture and Extract Facilities that use supply CO₂ streams in containers include the use of either Step C2.1 or Step C2.2, but not both and Step C3.

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E-GGRT will use Step C3: Equation PP-3a to calculate facility-level CO₂ quantities for CO₂ streams supplied in containers by summing the annual mass of CO₂ measured for each individual CO₂ stream.

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To add a CO₂ stream supplied in containers, click the link labeled "ADD a CO₂ Stream" located below the CO₂ STREAMS table.

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The following information is required for each CO₂ stream supplying supplied in containers on this screen:

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For each CO₂ stream measured on a mass basis, e-GGRT will calculate emissions GHGs using Equation PP-1 described in Step C2.1.

For each CO₂ stream measured on a volume basis, e-GGRT will calculate emissions GHGs using Equation PP-2 described in Step C2.2.

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When finished, click SUMMARY.

To view the validation page for Equation PP-1, click the link labeled "View Validation."

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When finished, click NEXT.

This screen is for the density (metric tons per standard cubic meter) for this flow meter CO₂ stream supplied in containers in each quarter of the reporting year.

If you selected the flow meter CO₂ stream measurement type as "concentration in weight percentage" on the Add/Edit Flow Meter CO₂ stream page, blank text boxes will be displayed, and you should enter the density of the CO₂ stream and the name of the standard used to measure CO₂ stream density. If you use more than one standard during the reporting year, enter them all.

If you selected the flow meter measurement type as "concentration in volume percentage" on the Add/Edit Flow Meter CO₂ stream page, populated text boxes will be displayed with the density of CO₂ that is required in the rule (0.001868 metric tons per standard cubic meter). A text box for the standard used to measure CO₂ density will not be displayed.
When finished, click NEXT.

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Step C3: Equation PP-3a (aggregation of CO₂ streams)

To view the results of Equation 3a, on the Subpart Overview page click VIEW SUMMARY.

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