Subpart Y Catalytic Cracking, Fluid Coking, and Catalytic Reforming Unit Information
Note: The Cal e-GGRT help system includes general instruction on using the California GHG reporting tool. However, the help system may not explain differences between California and U.S. EPA reporting requirements. Please refer to the ARB reporting website for California-specific reporting requirements and additional help.

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The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-6 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 CO2 emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

Subpart Y also collects the following CO2 emission data:

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The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-6 and Y-7a 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 CO2 emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

The Equation Y-6 and Y-7a Summaries are presented on the page. You can hover over an element in the equation to reveal a definition of that element.

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The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-6 and Y-7b 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 CO2 emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

Subpart Y also collects the following CO2 emission data:

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The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-8 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 CO2 emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

For this method, Subpart Y also collects the basis for the carbon content value:

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The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-11 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 CO2 emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

Note

If you are submitting data for a Catalytic Reforming Unit and are using Equation Y-11, please enter your average coke burn-off quantity (kg coke / cycle or kg coke / measurement period) in the "Description (optional)" text box on the unit ID page. If using equation Y-11, average coke burn-off quantity is a required reporting element. The only location where this information can be submitted is in the "Description (optional)" field on the unit ID page.

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The annual CH4 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-9 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 CH4 emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

The Equation Y-9 Summary is presented in the screenshot below. You can hover over an element in the equation to reveal a definition of that element.

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The annual N2O emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use Y-10 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 N2O emission from this unit type unit (metric tons)."upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.

The Equation Y-10 Summary is presented in the screenshot below. You can hover over an element in the equation to reveal a definition of that element.

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