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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Aerosol Sci. 2015 Jul 1;85:30–41. doi: 10.1016/j.jaerosci.2015.03.001

Figure 2.

Figure 2

Description of measurement setup. The sampling period started with 26 one-minute samples in which both OPCs were running, but PIPER was not moving. During the next 26 samples, PIPER moved about the room. The data shown are from the OPC sampler on PIPER, size channel 2.5 to 5.0 mm, at house number 36.