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Overview
This help page provides guidance for working with the supplemental Subpart H calculation spreadsheets. The guidance provides step-by-step instructions for the following tasks:
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Specific information on each of the spreadsheet tools is provided below:
Calculation Spreadsheet | Unit | Calculation | Instructions |
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All kilns | Total CO2 from Cement Production | ||
Single kiln | CO2 from Clinker Production | ||
Single kiln | CO2 from Raw Materials |
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Subpart H requires a facility to report annual CO2 process emissions from cement production for all kilns. To calculate these emissions, users must use the five equations displayed below:
(Equation H-1) |
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(Equation H-2) |
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(Equation H-3) |
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(Equation H-4) |
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(Equation H-5) |
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Equations H-2, H-3, H-4, and H-5 calculate results for a kiln that are subsequently used in Equation H-1. Three different calculation spreadsheets must be used to calculate the total annual CO2 process emissions from cement production for all kilns (Equations H-2, H-3, and H-4 are grouped into a single calculation spreadsheet). Users should first complete calculations using Equation H-2, H-3, H-4 Calculation Spreadsheet and Equation H-5 Calculation Spreadsheet for each kiln and then enter the results for each kiln into the Equation H-1 Calculation Spreadsheet to calculate the total annual CO2 process emissions from cement production for all kilns.
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Calculation spreadsheets for Subpart H may be downloaded by clicking one of the links in the first column of the table below. Users may also jump to instructions for each calculation spreadsheet by clicking one of the links in the third column.
Calculation Spreadsheet | Unit | Calculation | Instructions |
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All kilns | Total CO2 from Cement Production | ||
Single kiln | CO2 from Clinker Production | ||
Single kiln | CO2 from Raw Materials |
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The guidance provided in this section applies to each of the calculation spreadsheets for Subpart H. Additional guidance is provided for each individual calculation worksheet in the sections below.
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Users with multiple kilns should use separate calculation spreadsheets for each kiln. Users should not aggregate data from multiple kilns until requested to do so in the Equation H-1 Calculation Spreadsheet.
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Use this spreadsheet to calculate total annual CO2 process emissions from all kilns used in cement production. Calculated results from the Equation H-2, H-3, H-4 Calculation Spreadsheet and the Equation H-5 Calculation Spreadsheet are required as inputs to the Equation H-1 Calculation Spreadsheet. Be sure to complete the Equation H-2, H-3, H-4 Calculation Spreadsheet and the Equation H-5 Calculation Spreadsheet before beginning work on the Equation H-1 Calculation Spreadsheet. Equation H-1 is provided below.
(Equation H-1) |
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Begin by entering the facility name, your name, the reporting period, and any additional comments in the green input cells of the general information table located immediately below the equation in the calculation spreadsheet. This is for your records.
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The H-1 calculation spreadsheet will calculate the total annual CO2 process emissions from cement production for all kilns. The calculated value will be displayed in a red-bordered cell with white fill at the bottom of the spreadsheet. This value should be entered in e-GGRT for this facility.
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Use this spreadsheet to calculate the annual CO2 emissions from clinker production for each kiln by first using Equations H-3 and H-4 to calculate emission factors which are then used in Equation H-2 to calculate emissions. Equations H-2, H-3, and H-4 are provided below.
(Equation H-2) |
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(Equation H-3) |
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(Equation H-4) |
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Begin by entering the facility name, your name, the unit (e.g. kiln) name or identifier, the reporting period, and any additional comments in the green input cells of the general information table located immediately below the equation in the calculation spreadsheet. This is for your records.
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The spreadsheet will calculate the annual CO2 process emissions from clinker production for a single kiln. The calculated value will be displayed in a red-bordered cell with yellow fill at the bottom of the spreadsheet. This value should be entered into the Equation H-1 Calculation Spreadsheet.
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Use this spreadsheet to calculate the total annual CO2 emissions from raw materials used in cement production. Equation H-5 is provided below.
(Equation H-5) |
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Begin by entering the facility name, your name, the reporting period, and any additional comments in the green input cells of the general information table located immediately below the equation in the calculation spreadsheet. This is for your records.
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