A. D. Little Report: Appendix B


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A. D. Little Report
Appendix B: GWP Values

Values of the 100-year ITH Global Warming Potentials of the Fluorocarbons of interest in this study are summarized in Table B-1. Three sets of values are provided:

Values listed in Appendix B of the TEWI-3 Study.

Those established by the IPCC in 1995 and documented in Climate Change 1995.

The recently revised set of values by the World Meteorological Organization (WMO Report No. 44, "Scientific Assessment of Stratospheric Ozone", WMO Global Ozone Research and Monitoring Project, 1999). These values have not been fully peer reviewed by the ICCP.

Table B-1: Global Warming Potentials (100 year ITH), Relative to Carbon Dioxide

Fluorochemical	100 Year ITH GWP (kg CO₂/kg)
Fluorochemical	TEWI-3 Appendix B	Climate Change 1995	WMO 1999³
HCFC-22 HCFC-123 HCFC-141b HCFC-142b	1,700 93 630 2,000	1,500¹ 90¹ 600¹ 1,800¹	1,900 120 700 2,300
HFC-23 HFC-32 HFC-125 HFC-134a HFC-143a HFC-152a HFC-227ea HFC-245fa HFC-43-10mee	11,700 650 2,800 1,300 3,800 140 2,900 820 1,300	11,700² 650² 2,800² 1,300² 3,800² 140² 2,900² - 1,300²	14,800 880 3,800 1,600 5,400 190 3,800 - 1,700
HFE-7100 HFE-7200	- -	- -	390 55
R-404A R-407A R-407C R-410A R-507	3,260 1,770 1,530 1,730 3,300	3,260 1,770 1,525 1,725 3,300	4,544 2,336 1,984 2,340 4,600

Source:
¹Climate Change 1995, Table 2.8.
²Climate Change 1995, Technical Summary, Table 4.
³WMO Report No. 44 (1999), Table 10-8
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A. D. Little ReportAppendix B: GWP Values

Table B-1: Global Warming Potentials (100 year ITH), Relative to Carbon Dioxide

A. D. Little Report
Appendix B: GWP Values