Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)
IPCC: | 4D2 - Wastewater Treatment and Discharge - Industrial Wastewater Treatment and Discharge |
Sector: | Industrial : Wastewater Treatment : Industrial Wastewater |
Amount: | 1,774 tonnes of CH4 Emitted (44,345 tonnes CO2 Eq.) |
Basis: | Calculation |
Calculation: | [Production Processed] * [Wastewater outflow rate] * [Chemical oxygen demand (COD)] * [Proportion of COD treated anaerobically] * [Maximum methane production capacity] * [Methane correction factor for anaerobic systems] |
Reference: | USEPA (2015). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. Chapter 7: Waste. http://www.epa.gov/climatechange/emissions/usinventoryreport.html |
Activity: | Production processed = 627,344 ton of Poultry |
Basis: | Data |
Reference: | USDA (2016). U.S. Department of Agriculture, National Agricultural Statistics Service, Quick Stats. Accessed online at: http://quickstats.nass.usda.gov/ |
Parameter: | Chemical oxygen demand (COD) = 4.52 g / l |
Reference: | CARB (2016). Technical support document on GHG inventory methodologies for the 2000-2014 inventory. See Discussion of emissions from wastewater treatment available at: https://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2014/ghg_inventory_00-14_technical_support_document.pdf |
Parameter: | Maximum methane production capacity = 0.25 g / g |
Reference: | USEPA (2015). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. Chapter 7: Waste. http://www.epa.gov/climatechange/emissions/usinventoryreport.html |
Parameter: | Methane correction factor for anaerobic systems = 0.8 |
Reference: | USEPA (2015). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. Chapter 7: Waste. http://www.epa.gov/climatechange/emissions/usinventoryreport.html |
Parameter: | Proportion of COD treated anaerobically = 0.25 |
Reference: | USEPA (2015). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. Chapter 7: Waste. http://www.epa.gov/climatechange/emissions/usinventoryreport.html |
Parameter: | Wastewater outflow rate = 12,500 l / tonne |
Reference: | USEPA (2015). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. Chapter 7: Waste. http://www.epa.gov/climatechange/emissions/usinventoryreport.html |
Constant: | Global warming potential of CH4 = 25 |
Reference: | IPCC (2007). Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon S., Qin D., Manning M., Chen Z., Marquis M., Averyt K.B., Tignor M., and Miller H.L. (eds.). http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_synthesis_report.htm |
Amount: | 2,828 g (i.e. 2.83 kg) of CH4 per ton of Poultry 70,688 g (i.e. 70.69 kg) of CO2eq. per ton of Poultry |