Hydrogen Production Monitoring Checklist 5-EPA Subpart P, Greenhouse Gas Reporting Program United States Environmental Protection Agency What Must Be Monitored for Each Hydrogen Production Unit? If NOT using a CEMS, measure these parameters on a monthly basis (unless otherwise noted)... ~ ~ ~ ~ ~ ~ Volume or mass of gaseous fuel or feedstock used (standard cubic feet [scf] or kg) Carbon content of gaseous fuel or feedstock (kilograms [kg] C per kg of fuel or feedstock) (annually for standard hydrocarbons, weekly for other non- standard hydrocarbons) Molecular weight of gaseous fuel or feedstock (kg/kg-mole) (annually for standard hydrocarbons, weekly for other non-standard hydrocarbons) Volume or mass of liquid fuel or feedstock used (gallons or kg) Carbon content of liquid fuel or feedstock (kg C per gallon) Mass of solid fuel or feedstock used (kg) ~ ~ ~ ~ ~ ~ Carbon content of solid fuel or feedstock (kg C per kg of feedstock) Quarterly quantity of carbon dioxide collected and transferred off site in either gas, liquid, or solid forms (kg) Annual quantity of carbon other than carbon dioxide collected and transferred off site in either gas, liquid, or solid forms (kg) Annual quantity of hydrogen produced (metric tons) Annual quantity of ammonia produced, if applicable (metric tons) Annual quantity of methanol produced, if applicable (metric tons) If using a CEMS: In addition to the monitoring requirements under 40 CFR subpart C for the Tier 4 Calculation Methodology, measure these parameters... ~ ~ ~ Annual quantity of hydrogen produced (metric tons) Quarterly quantity of carbon dioxide collected and transferred off site in either gas, liquid, or solid forms (kg) Annual quantity of methanol produced, if applicable (metric tons) ~ ~ Annual quantity of ammonia produced, if applicable (metric tons) Annual quantity of carbon other than carbon dioxide collected and transferred off site in either gas, liquid, or solid forms (kg) Hydrogen Production Monitoring Checklist Greenhouse Gas Reporting Program 40 CFR 98, subpart P April 2018 Page 1 of 2 ------- See also the information sheet for Hydrogen Production at: https://www.epa.gov/ghereporting/Information-Sheet-Sxibpart-P-Hvdrogen-Prodiiction This document is provided solely for informational purposes. It does not provide legal advice, have legally binding effect, or expressly or implicitly create, expand, or limit any legal rights, obligations, responsibilities, expectations, or benefits in regard to any person. This information is intended to assist reporting facilities owners in understanding key provisions of the Greenhouse Gas Reporting Program. Hydrogen Production Monitoring Checklist Greenhouse Gas Reporting Program Page 2 of 2 40 CFR 98, subpart P April 2018 ------- |