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: |
2E - Electronics Industry |
| Sector: |
Industrial : Manufacturing : Electric & Electronic Equip. : Semiconductors & Related Products |
♦ Activity: Semiconductor manufacture -
♦ Greenhouse gas: Mix of halogenated gases expressed in CO2 Eq. ( Halogenated gases (in CO2 Eq.) )
► Year 1990 —
● Greenhouse gas emission estimate —
| Amount: |
592,267 tonnes of Halogenated gases (in CO2 Eq.) Emitted (592,267 tonnes CO2 Eq.) |
| Basis: |
Calculation |
| Calculation: |
[US emissions from semiconductor manufacture] * [Value of California Semiconductor Shipments] / [Value of US Semiconductor Shipments] |
| 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: |
|
| Basis: |
None |
| Reference: |
Not Applicable. |
● Parameters and Constants used in calculations —
| Parameter: |
US emissions from semiconductor manufacture = 2,900,000,000,000 g (i.e. 2.9 million tonnes) |
| Reference: |
USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html |
| Parameter: |
Value of California Semiconductor Shipments = 16,040,142,000 $ |
| Reference: |
USCB (various years). U.S. Census Bureau’s Economic Census data. Accessed online at: (Information is listed by NAICS Code Number, NAICS Code for “Semiconductor Manufacturing = #334413"). http://www.census.gov/econ/census02/ |
| Parameter: |
Value of US Semiconductor Shipments = 78,539,562,000 $ |
| Reference: |
USCB (various years). U.S. Census Bureau’s Economic Census data. Accessed online at: (Information is listed by NAICS Code Number, NAICS Code for “Semiconductor Manufacturing = #334413"). http://www.census.gov/econ/census02/ |
● Greenhouse gas emitted per unit activity —