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Subpart P. Hydrogen Production

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FAQs, Rule Subparts

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Last updated: 2 weeks ago

Subpart P. Hydrogen Production

  • Q341. Does subpart P require me to account for ammonia emitted as an air emission?
  • Q695. What is a hydrogen production process unit?
  • Q696. Should combustion emissions from a steam methane reforming (SMR) furnace be reported under subpart C or subpart P? Is the answer different if the process heater used to provide heat needed for the SMR reaction has a separate...?
  • Q697. How should fuels and feedstocks be reported for hydrogen production process units?
  • Q698. How do I determine the quantity of hydrogen produced and the quantity of hydrogen purified?
  • Q699. How do I determine the quantity of CO2 emissions produced for hydrogen production process units that use multiple fuels and feedstocks?
  • Q857. What hydrogen production process units must report under subpart P starting RY2025?

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