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Adding or Updating Process Vents Unit Information

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To add or update Subpart Y Process Vents unit information for this Facility, locate the PROCESS VENTS UNITS EMISSIONS SUMMARY table on the Subpart Y Overview page.

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To delete an existing Process Vent unit, click on the delete icon, which is the last column in the PROCESS VENTS UNITS EMISSIONS SUMMARY table.

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Subpart Y collects the following data about your Process Vent unit:

• A unique name or identifier, plus optional description for this process vent unit (see also About Unique Unit Names):
• Operation type associated with this process vent:
  • Atmospheric crude distillation
  • Vacuum distillation
  • Delayed coking
  • Fluid coking (traditional)
  • Flexicoking
  • Visbreaking, other thermal cracking
  • Fluid catalytic cracking unit
  • Non-fluid catalytic cracking unit
  • Catalytic hydrocracking
  • Catalytic reforming unit – continuous regeneration
  • Catalytic reforming unit – cyclic regeneration
  • Catalytic reforming unit – semi-regenerative
  • Fuels solvent deasphalting
  • Desulfurization/ hydrotreat – naphtha/reformer feed
  • Desulfurization/ hydrotreat – gasoline
  • Desulfurization/ hydrotreat – kerosene/jet fuel
  • Desulfurization/ hydrotreat – diesel
  • Desulfurization/ hydrotreat – other distillate
  • Desulfurization/ hydrotreat – residual
  • Desulfurization/ hydrotreat – heavy gas oil
  • Desulfurization/ hydrotreat --other
  • HF alkylation
  • H2SO4 alkylation
  • Aromatics production
  • Asphalt production
  • Isomerization – Isobutane
  • Isomerization – Iso C5,C6
  • Lubricants production
  • Petroleum coke storage
  • Sulfur plant
  • Gas plant (LPG production unit)
  • Oxygenate plant – MTBE
  • Oxygenate plant – ETBE
  • Oxygenate plant – TAME
  • Oxygenate plant – other (specify)
  • Marine vessel loading/unloading
  • Truck/tank truck loading/unloading
  • Rail car loading/unloading
  • Blow down system
  • Knock-out pot
  • Analyzer
  • Vacuum jet exhaust
  • Wastewater treatment unit
  • Wastewater collection system (drain, junction box, etc.)
  • Soil remediation
  • Other
• Control device used to reduce methane (and other organic) emissions from the unit:
  • Thermal or catalytic incinerator/oxidizer
  • Carbon adsorber
  • Condenser
  • Oil scrubber
  • None
  • Other (specify)

• Greenhouse gases to report for this process vent. Select any combination of CO₂, CH₄ or N₂O. CO₂ emissions must be reported if the process vent contains greater than 2 percent by volume CO₂ or greater. CH₄ emissions must be reported if the process vent contains 0.5 percent by volume of CH₄ or greater. N₂O emissions must be reported if the process vent contains 0.01 percent by volume of N₂O or greater. You must use Equation Y-19 for catalytic reforming unit depressurization and purge vents when methane is used as the purge gas.

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  When you are finished, click SAVE.

Adding or Updating Process Vents Unit Emissions Information

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To add or update Subpart Y Process Vents unit emissions information, locate the PROCESS VENTS UNITS EMISSIONS SUMMARY table on the Subpart Y Overview page, and click OPEN.

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Subpart Y collects the following data about your Process Vent unit:

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When you have finished entering emission results, click SAVE.

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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