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" From Yokouchi and Ambe (1986).

" From Yokouchi and Ambe (1986).

Tennessee (Blando et al., 1998). Peaks very similar to those observed in the urban sample are seen. (Note, however, the different size ranges of the samples.) In addition, a peak at 877 cm characteristic of an S-O-C asymmetric stretch, suggests the presence of organosulfur compounds. Gentle rinsing with hexane to remove nonpolar organics gave no significant change in the spectrum, whereas rinsing with acetone removed a number of the larger peaks (e.g., those due to C=0 and O-H as well as the organosulfur species), showing the predominance of polar organics in this relatively

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