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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To delete an existing Catalytic Cracking, Fluid Coking, or Catalytic Reforming Unit, click on the delete icon, which is the last column in the CATALYTIC CRACKING UNITS, TRADITIONAL FLUID COKING UNITS, FLUID COKING UNITS WITH FLEXICOKING DESIGN, AND CATALYTIC REFORMING UNITS EMISSIONS SUMMARY table.

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Subpart Y collects the following data about your Catalytic Cracking, Fluid Coking, or Catalytic Reforming unit:

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When you are finished entering the required information, click NEXT.

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For Catalytic Cracking or Coking units that are NOT monitored by CEMS, Subpart Y also collects the following data:

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When you are finished entering the required information, click SAVE.

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For Catalytic Cracking or Coking units that are monitored by CEMS, Subpart Y also collects the following data:

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When you are finished entering the required information, click SAVE.

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Adding or Updating Catalytic Cracking or Coking Unit Emissions Information
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Note that Fluid Coking Units with Flexicoking Design for which the GHG emissions from the low heat value gas are accounted for in Subpart C require no emissions or additional data under Subpart Y thus the OPEN button is black and has no function.
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Depending on the methods selected to calculate CO2, CH4 and N2O emissions (see previous section titled "Adding “Adding or Updating Catalytic Cracking, Fluid Coking, or Coking Catalytic Reforming Unit Information"Information”), you will be presented with screens to collect the respective CO2, CH4 and N2O emission results and additional data. Each specific screen is discussed below.
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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 “Use Y-6 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.
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The Equation Y-6 Summary and monitored flow requirements are 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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CO2 Emissions Calculation: 98.253(c)(2) – Equation Y-6 and Y-7a
The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-6 and Y-7a spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.
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The Equation Y-6 and Y-7a Summaries are 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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CO2 Emissions Calculation: 98.253(c)(2) – Equation Y-6 and Y-7b
The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-6 and Y-7b spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.
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The Equation Y-6 and Y-7b Summaries are 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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CO2 Emissions Calculation: 98.253(c)(3) – Equation Y-8
The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-8 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, upload the file using by clicking the browse button, selecting the file from the appropriate directory, and clicking the blue UPLOAD button.
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The Equation Y-8 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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CO2 Emissions Calculation: 98.253(c)(3) - Equation Y-11
The annual CO2 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-11 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, 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 “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 “Description (optional)" ” field on the unit ID page.
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The Equation Y-11 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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CH4 Emissions Calculation: Equation Y-9
The annual CH4 emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-9 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, 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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CH4 Emissions Calculation: Unit-Specific Measurement Data
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The CH4 Summary (Measurement Data) is presented in the screenshot below.
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CH4 Emissions Calculation: A Unit-Specific Emission Factor Based on a Source Test of the Unit
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The CH4 Summary (Emission Factor Based on a Source Test) is presented in the screenshot below.
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N2O Emissions Calculation: Equation Y-10
The annual N2O emission rate from the unit operations is required. To calculate this value download the spreadsheet by clicking the link titled "Use “Use Y-10 spreadsheet to calculate." ” Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, 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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N2O Emissions Calculation: Unit-Specific Measurement Data
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The N2O Summary (Measurement Data) is presented in the screenshot below.
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N2O Emissions Calculation: A Unit-Specific Emission Factor Based on a Source Test of the Unit
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The N2O Summary (Emission Factor Based on a Source Test) is presented in the screenshot below.below.
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#Back to Top
See Also
Screen Errors
 Using Cal e-GGRT to Prepare Your Subpart Y Report
 Subpart Y Summary Information for this Facility
 Subpart Y Delayed Coking Unit Information
 Subpart Y Asphalt Blowing Unit Information
 Subpart Y Coke Calcining Unit Information
 Subpart Y Catalytic Cracking, Fluid Coking, and Catalytic Reforming Unit Information
 Subpart Y Flares Unit Information
 Subpart Y Process Vents Unit Information
 Subpart Y Sulfur Recovery Plant Information
 Subpart Y Emissions Information for Process Units Monitored by CEMS
 Subpart Validation Report



    
    

            
    

    




    
    

    
    
    


    

        

 
   

  

  

    
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