Sec. 231-13.9. Table 9—Global warming potential values for calculating CO2 equivalents

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Greenhouse Gas Global Warming Potential
CO₂ 1
CH₄ 25
N₂O 298
SF₆ 22,800
Hydrofluorocarbons (HFC) 12 to 14,800
Perfluorocarbons (PFC) 6,288 to 17,700
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see Table A-1 to Subpart A of 40 CFR Part 98, for specific values of HFC and PFC (see Table 1, section 200.9 of this Title).

                    
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Greenhouse Gas	Global Warming Potential
CO₂	1
CH₄	25
N₂O	298
SF₆	22,800
Hydrofluorocarbons (HFC)	12 to 14,800
Perfluorocarbons (PFC)	6,288 to 17,700