Last reviewed on November 2, 2011 at 09:14

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

♦ Category: Industrial Processes and Product Use

IPCC: 2G4 - Other Product Manufacture and Use - Other (Please specify)
Sector: Industrial : Not Specified

♦ Activity: Soda ash consumption -

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 1990 —

● Greenhouse gas emission estimate —

Amount: 340,796 tonnes of CO2 Emitted (340,796 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Soda ash consumption] * [Soda ash CO2 emission factor]
Reference: USEPA (2004). Emission Inventory Improvement Program. Technical Report Series, Volume 8: Estimating Greenhouse Gas Emissions, Chapter 6: Industrial Processes. US Environmental Protection Agency. Washington DC. http://www.epa.gov/ttn/chief/eiip/techreport/volume08/index.html

● Activity level used in calculations —

Activity: Soda ash consumption = 821,194,376,932 g (i.e. 821.19 thousand tonnes)
Basis: Calculation
Calculation: [National Soda Ash Consumption] * [Ratio of California to US Population]
Reference: USEPA (2004). Emission Inventory Improvement Program. Technical Report Series, Volume 8: Estimating Greenhouse Gas Emissions, Chapter 6: Industrial Processes. US Environmental Protection Agency. Washington DC. http://www.epa.gov/ttn/chief/eiip/techreport/volume08/index.html

● Parameters and Constants used in calculations —

Parameter: National soda ash consumption = 6,840,000,000,000 g (i.e. 6.84 million tonnes)
Reference: USGS (2006). U.S. GEOLOGICAL SURVEY, SODA ASH (SODIUM CARBONATE) STATISTICS, Compiled by K.E. Porter and D.S. Kostick (May 1, 2006), Data Series 140. Accessed online at: http://minerals.usgs.gov/ds/2005/140/sodaash.pdf
Parameter: Ratio of California to US population = 0.12
Reference: USCB (various years). U.S. Census Bureau, Population Estimates for the United States and California. Accessed online at: http://www.census.gov
Parameter: Soda ash CO2 emission factor = 0.415 g / g
Reference: USEPA (2004). Emission Inventory Improvement Program. Technical Report Series, Volume 8: Estimating Greenhouse Gas Emissions, Chapter 6: Industrial Processes. US Environmental Protection Agency. Washington DC. http://www.epa.gov/ttn/chief/eiip/techreport/volume08/index.html

● Greenhouse gas emitted per unit activity —

Amount: 0.415 g of CO2 per g
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