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Ionic and carbonaceous compositions of PM<sub>10</sub>, PM<sub>2.5</sub> and PM<sub>1.0</sub> at Gosan ABC Superstation and their ratios as source signature

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Fig. 1. Map showing Gosan ABC superstation (33.17 ◦ N, 126.10 ◦ E, 70 m a.s.l.) from Google mapmaker (http://www.google.
Fig. 2. Mean concentrations of mass, water-soluble ions, EC, and OC in PM 1.0 , PM 2.5 , and PM 10
Fig. 3. Ratios of each chemical component to mass or total carbon (TC = OC + EC) in PM 1.0 , PM 2.5 , and PM 10 : (a) total carbon-to-mass, (b) OC-to-mass, (c) EC-to-mass, (d) nitrate-to-mass, (e) sulfate-to-mass, (f) calcium-to-mass, (g) OC-to-TC, (h) EC-
Fig. 4. Monthly variations of meteorological parameters includ- includ-ing temperature, relative humidity, wind speed, and wind direction.
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