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. Author manuscript; available in PMC: 2013 Feb 20.
Published in final edited form as: Water Air Soil Pollut. 2011 Oct;221(1-4):145–157. doi: 10.1007/s11270-011-0777-x

Figure 5.

Figure 5

Monthly averages of arsenic, cadmium, and lead PMx measured with the MOUDI sampler at the Hayden site from December 2008 to November 2009. The size ranges are defined as follows: PM<9.9 is the summation of cutpoint diameters 9.9 and 18 μm, PM3.1-9.9 is the summation of cutpoint diameters 3.1 and 6.1μm, PM1-3.1 is the summation of cutpoint diameters 1 and 1.8μm, and PM<1 is the summation of cutpoint diameters lower than 1μm.