Last reviewed on November 2, 2011 at 10:06

Documentation of California's Greenhouse Gas Inventory (First Edition - Last updated on 11/19/2007)

♦ Category: Waste

IPCC: 4D2 - Wastewater Treatment and Discharge - Industrial Wastewater Treatment and Discharge
Sector: Industrial : Waste Water Treatment : Industrial Waste Water

♦ Activity: Production processed - Poultry

♦ Greenhouse gas: Methane ( CH4 )

► Year 1990 —

● Greenhouse gas emission estimate —

Amount: 2,004 tonnes of CH4 Emitted (42,086 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Production Processed] * [Wastewater outflow] * [Chemical oxygen demand (COD)] * [Proportion of COD degraded anaerobically] * [COD CH4 emission factor]
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Chapter 8: Waste. April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html

● Activity level used in calculations —

Activity: Production processed = 191,686,363,636 g (i.e. 191.69 thousand tonnes) of Poultry
Basis: Data
Reference: USDA (2007). U.S. Department of Agriculture, National Agriculture Statistics Service, California Statistics. Available online at: http://www.nass.usda.gov/Statistics_by_State/California/index.asp

● Parameters and Constants used in calculations —

Parameter: Chemical oxygen demand (COD) = 4.1 g / l
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Chapter 8: Waste. April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html
Parameter: COD CH4 emission factor = 0.6 g / g
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Chapter 8: Waste. April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html
Parameter: Proportion of COD degraded anaerobically = 0.25
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Chapter 8: Waste. April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html
Parameter: Wastewater outflow = 0.017 l / g
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Chapter 8: Waste. April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html
Constant: Global warming potential of CH4 = 21
Reference: IPCC (1996). Second Assessment Report. Climate Change 1995: WG I - The Science of Climate Change. Intergovernmental Panel on Climate Change; J.T. Houghton, L.G. Meira Filho, B.A. Callander, N. Harris, A. Kattenberg, and K. Maskell (eds.); Cambridge University Press. Cambridge, U.K.

● Greenhouse gas emitted per unit activity —

Amount: 0.0105 g of CH4 per g of Poultry
0.22 g of CO2eq. per g of Poultry
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