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Subpart Y consists of facilities that produce gasoline, gasoline blending stocks, naphtha, kerosene, distillate fuel oils, residual fuel oils, lubricants, or asphalt (bitumen) by the distillation of petroleum or the redistillation, cracking, or reforming of unfinished petroleum derivatives.
This page provides an overview of subtopics that are central to Subpart Y reporting:
The end of the page contains links you can use for more information on these topics.
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- A unique name or identifier, plus optional description. See also also About Unique Unit Names
- Maximum rated throughput of Delayed Coking Units (measured as bbl/stream day)
- The total number of associated delayed coking vessels (or coke drums)
- Several radio buttons are required on this screen:
- Calculated using Equation Y-18a
- Mass measurements from company records
- Overhead temperature, Equation Y-18c
- Pressure correlation and Equation Y-18d
- Unit-specific factor
- Default factor
- Basis for the typical dry mass of coke at the end of the coking cycle.
- Method used to
calculate the CH4 emissions- estimate the average temperature of the coke bed (Tint).
- Type of emission factor was used in Equation Y-18f.
Subpart Y requires you to report the following data for each coking drum at your facility:
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Subpart Y Asphalt Blowing Unit Information
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| Subpart Y Asphalt Blowing Unit Information |
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| for RY2013 and Prior Years | | Subpart Y Asphalt Blowing Unit Information for RY2013 and Prior Years |
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| Subpart Y Coke Calcining Unit Information |
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| Subpart Y Coke Calcining Unit Information |
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Subpart Y Coke Calcining Unit Information
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| Subpart Y Coke Calcining Unit Information |
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| for RY2013 and Prior Years | | Subpart Y Coke Calcining Unit Information for RY2013 and Prior Years |
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| Subpart Y Catalytic Cracking, Fluid Coking, and Catalytic Reforming Unit Information |
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| Subpart Y Catalytic Cracking, Fluid Coking, and Catalytic Reforming Unit Information |
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Subpart Y Flares Unit Information
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Subpart Y collects the following data about your flare unit:
- A unique name or identifier, plus optional description for this flare unit (see also About Unique Unit Names)
- If the flare is serviced by a gas recovery system:
- Type of flare:
- Steam assisted
- Air assisted
- Unassisted
- Other (specify)
- Flare service type:
- General facility flare
- Unit flare
- Emergency only flare
- Back-up flare
- Other (specify)
- Method used to calculate the CO2 emissions:
- 98.253(b)(1)(ii)(A) – Equation Y-1a Gas Composition Monitored (Equation Y-1a or Y-1b must be used if you have a continuous gas composition monitor on the flare or if you measure it at least weekly)
- Note: In RY18+, when this option is selected, an additional radio button appears. This Yes/No button is a required data element in this configuration and must be answered before saving.
- 98.253(b)(1)(ii)(A) – Equation Y-1b Gas Composition Monitored (Equation Y-1a or Y-1b must be used if you have a continuous gas composition monitor on the flare or if you measure it at least weekly)
- 98.253(b)(1)(ii)(B) – Equation Y-2 Heat Content Monitored (Equation Y-2 must be used if you have a continuous higher heating value monitor or measure it at least weekly and the heating value monitor or measurement is not based on compositional analyses; if compositional analyses are used, you must use Equation Y-1a or Y-1b)
- 98.253(b)(1)(iii) – Equation Y-3 Start-up, Shutdown, Malfunction (Equation Y-3 must be used if you do not measure gas composition or heating value at least weekly.)
When you are finished, click SAVE.
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| Subpart Y Process Vents Unit Information |
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| Subpart Y Process Vents Unit Information |
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| Subpart Y Sulfur Recovery Plant Information |
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| Subpart Y Sulfur Recovery Plant Information |
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Subpart Y On-Site Sulfur Recovery Plant Information
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| Subpart Y On-Site Sulfur Recovery Plant Information |
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| for RY2013 and Prior Years | | Subpart Y On-Site Sulfur Recovery Plant Information for RY2013 and Prior Years |
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| Subpart Y Emissions Information for Process Units Monitored by CEMS |
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| Subpart Y Emissions Information for Process Units Monitored by CEMS |
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Subpart Y Validation Report
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| Subpart Validation Report |
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| Subpart Validation Report |
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#Back Back to Top
See Also
Screen ErrorsCode
Using 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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| page | Using e-GGRT to Prepare Your Subpart Y Report |
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