Issue Date: February 2, 2009
Sulfuryl Fluoride Persists In Atmosphere
Sulfuryl fluoride has an atmospheric lifetime of 30–40 years, roughly 10 times longer than previously estimated, according to new research. The gas is used primarily as a termite fumigant, but the agricultural industry is considering it as an alternative to methyl bromide, a pest-control agent that is being phased out. Although its atmospheric concentration is much lower than that of CO2, SO2F2 traps 4,000 times more heat than CO2 does per unit mass. The new . . .
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