Last reviewed on 06-22-2018

Documentation of California's Greenhouse Gas Inventory (11th Edition - Last updated on 11-06-2019)

♦ Category: Industrial Processes and Product Use

IPCC: 2E - Electronics Industry
Sector: Industrial : Manufacturing : Electric & Electronic Equip. : Semiconductors & Related Products

♦ Activity: Semiconductor manufacture -

♦ Greenhouse gas: Hexafluoroethane (PFC-116) ( C2F6 )

► Year 2016 —

● Greenhouse gas emission estimate —

Amount: 1.72 tonne of C2F6 Emitted (20,988 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [US emissions from semiconductor manufacture] *[Ratio of 2006 California survey to US emissions]
Reference: ARB (2016). Technical support document on GHG inventory methodologies for the 2000-2014 inventory. See Discussion of emissions from semiconductor manufacturing available at: ttps://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2014/ghg_inventory_00-14_technical_support_document.pdf#https://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2014/ghg_inventory_00-14_technical_support_document.pdf

● Activity level used in calculations —

Activity:
Basis: None
Reference: Not Applicable.

● Parameters and Constants used in calculations —

Parameter: Ratio of 2006 California survey to US emissions = 0.0678
Reference: ARB (2016). Technical support document on GHG inventory methodologies for the 2000-2014 inventory. See Discussion of emissions from semiconductor manufacturing available at: ttps://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2014/ghg_inventory_00-14_technical_support_document.pdf#https://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2014/ghg_inventory_00-14_technical_support_document.pdf
Parameter: US emissions from semiconductor manufacture = 98,360,656 g (i.e. 98.36 tonnes)
Reference: USEPA (2015). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. Tables 4-91 and 4-92 http://www.epa.gov/climatechange/emissions/usinventoryreport.html
Constant: Global warming potential of C2F6 = 12200
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

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

Amount: Not Applicable
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