853405.fig.002a
(a)
853405.fig.002b
(b)
853405.fig.002c
(c)
853405.fig.002d
(d)
Figure 2: Zoom-in on PM2.5 emissions in (a) REF, (b) WSR, (c) WSS1, and (d) WSS2 on average over October to March for REF and WSR and October 01–14, 2008, for WSS1 and WSS2.