Last reviewed on 10-02-2020

Documentation of California's Greenhouse Gas Inventory (13th Edition - Last updated on 10-15-2020)

♦ Category: Energy

IPCC: 1A1b - Fuel Combustion Activities - Energy Industries - Petroleum Refining
Sector: Industrial : Petroleum Refining and Hydrogen Production

♦ Activity: Fuel combustion - Digester gas

♦ Greenhouse gas: Carbon dioxide from biogenic sources ( CO2 )

► Year 2009 —

● Greenhouse gas emission estimate —

Amount: 180.47 tonnes of CO2 From biogenic materials (180.47 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 emission]
Reference: IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme, Eggleston H.S., Buendia L., Miwa K., Ngara T., and Tanabe K. (eds). Volume 2, Chapter 2: Stationary Combustion. Published: IGES, Japan. http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/2_Volume2/V2_2_Ch2_Stationary_Combustion.pdf#http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/2_Volume2/V2_2_Ch2_Stationary_Combustion.pdf

● Activity level used in calculations —

Activity: Fuel combustion = 4,121,176 scf of Digester gas
Basis: Data
Reference: ARB (2019). Summary of 2008 to 2018 data from California's Greenhouse Gas Mandatory Reporting Program. Reported emissions are available at: #https://ww2.arb.ca.gov/our-work/programs/mandatory-greenhouse-gas-emissions-reporting

● Parameters and Constants used in calculations —

Parameter: Fuel CO2 emission = 0.0521 g / btu
Reference: ARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (98.30 to 98.38). Available online at: https://www.law.cornell.edu/cfr/text/40/appendix-Table_C-1_to_subpart_C_of_part_98#https://www.law.cornell.edu/cfr/text/40/appendix-Table_C-1_to_subpart_C_of_part_98
Parameter: Heat content = 841 btu / scf
Reference: ARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (98.30 to 98.38). Available online at: https://www.law.cornell.edu/cfr/text/40/appendix-Table_C-1_to_subpart_C_of_part_98#https://www.law.cornell.edu/cfr/text/40/appendix-Table_C-1_to_subpart_C_of_part_98

● Greenhouse gas from biogenic materials per unit activity (derived from values listed above) —

Amount: 43.8 g of CO2 per scf of Digester gas