A comparison of the levels and particle size distribution of lower chlorinated dioxin/furans (mono- to tri-chlorinated homologues) with those of tetra- to octa-chlorinated homologues in atmospheric samples
ΣCl1–3DD/Fs accounted for 85% of ΣCl1–8DD/Fs in air samples.
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The mean concentration of ΣCl1–3DD/Fs was 5.4 times that of ΣCl4–8DD/Fs in the air.
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ΣCl1–3DD/Fs occurred mainly in the gas phase, and ΣCl4–8DD/Fs mainly in particles.
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ΣCl1–3DFs were the dominant form of ΣCl1–3DD/Fs in all particle size classes.
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