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: Octafluorocyclobutane (PFC-318) ( C4F8 )

► Year 2006 —

● Greenhouse gas emission estimate —

Amount: 1.51 tonne of C4F8 Emitted (15,505 tonnes CO2 Eq.)
Basis: Data
Calculation: 2006 survey of emissions from semiconductor manufacturing conducted by ARB
Reference: ARB (2009). Initial Statement of Reasons for Proposed Regulation to Reduce Greenhouse Gas Emissions from Semiconductor Operations. California Air Resources Board, Stationary Source Division, January 2009. /regact/2009/semi2009/semi2009.htm

● Activity level used in calculations —

Basis: None
Reference: Not Applicable.

● Parameters and Constants used in calculations —

Parameter: US emissions from semiconductor manufacture = 9,708,738 g (i.e. 9.71 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
Constant: Global warming potential of C4F8 = 10300
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.).

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

Amount: Not Applicable