Last reviewed on 12-01-2023

Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)

♦ Category: Industrial Processes and Product Use

IPCC: 2F - Product Uses as Substitutes for Ozone Depleting Substances
Sector: Industrial : Not Specified

♦ Activity: Use of substitutes for ozone depleting substances - Refrigeration and Air Conditioning

♦ Greenhouse gas: Hydrofluorocarbon 152a ( HFC-152a )

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► Year 2019 —

● Greenhouse gas emission estimate —

Amount: 0.101 tonne of HFC-152a Emitted (12.48 tonnes CO2 Eq.)
Basis: Model
Calculation: ARB ODS Substitutes Emissions Model
Reference: CARB (2014). Gallagher, G.; Zhan, T.;  Hsu, Y-K.; Gupta, P.; Pederson, J.; Croes, B.; Blake, D. R.; Barletta, B.; Meinardi, S.; Ashford, P.; Vetter, A.; Saba, S.; Slim, R.; Palandre, L.; Clodic, D.; Mathis, P.; Wagner, M.; Forgie, J.; Dwyer, H.; Wolf, K.  High-global Warming Potential F-gas Emissions in California: Comparison of Ambient-based versus Inventory-based Emission Estimates, and Implications of Refined Estimates.  Environ Sci. Technol. 2014, 48, 1084-1093. (See Supporting Information) http://pubs.acs.org/doi/suppl/10.1021/es403447v

● Activity level used in calculations —

Activity:
Basis: None
Reference: Not Applicable.

● Parameters and Constants used in calculations —

Parameter: Not applicable
Constant: Global warming potential of HFC-152a = 124
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