This topic provides a step-by-step description of how to enter Subpart Y Coke Calcining unit information about this facility.
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Adding or Updating Coke Calcining Unit Information
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To delete an existing Coke Calcining Unit, click on the delete icon, which is the last column in the COKE CALCINING UNIT-LEVEL EMISSIONS SUMMARY table.
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Subpart Y requires you to report the following data about your coke calcining unit:
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When you are finished, click NEXT.
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Subpart Y collects the following data about your coke calcining unit: - Maximum rated throughput of the coke calcining unit (metric tons coke calcined per stream day)
- Method used to calculate the CH4 emissions:
- Equation Y-9
- Unit-specific measurement data
- A unit-specific emission factor based on a source test of the unit
- Method used to calculate the N2O emissions:
- Equation Y-10
- Unit-specific measurement data
- A unit-specific emission factor based on a source test of the unit
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When you are finished, click SAVE.
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The following provides a step-by-step description of how to enter Subpart Y Coke Calcining emissions information.
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To add or update CO2 emissions information for a coke calcining unit that is monitored by CEMS, please refer to the Subpart Y Emissions Information for Process Units Monitored by CEMS help page (CH4 and N2O emissions information for coke calcining units that are monitored by CEMS are reported separately per the instructions below).
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Step 2a: Equation Y-9/Y-10 Summary and Result
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The annual CH4 and N2O emission rates from coke calcining operations are required. To calculate these values:
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Step 2b: Unit-specific Measurement Result
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The annual CH4 and N2O emission rates from coke calcining operations are required. Enter the value of CH4 and N2O in this page in the box next to “Annual CH4 emission rate from this coke calcining unit (metric tons)” or “Annual N2O emission rate from this coke calcining unit (metric tons),” as appropriate.
Step 2c: Unit-specific Emission Factor Based on a Source Test Result
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The annual CH4 and N2O emission rates from coke calcining operations are required. Enter the value of CH4 and N2O in this page in the box next to “Annual CH4 emission rate from this coke calcining unit (metric tons)” or “Annual N2O emission rate from this coke calcining unit (metric tons),” as appropriate.
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