Table 1 Sampling date, mass of the dust dry deposition, and mass concentrations of Asian dust (AD) and non-Asian dust (NAD).
From: Lead chromate detected as a source of atmospheric Pb and Cr (VI) pollution
Sample | Sampling date | Mass (g) | Mass concentration (μg/m3) over a 24-h period | ||
|---|---|---|---|---|---|
TSP | PM10 | PM2.5 | |||
AD-1 | 3/31/2007-4/2/2007 | 4.68 | 82.5–1040.1 | 57.3–450.0 | 16.6–70.4 |
AD-3 | 5/25/2007-5/27/2007 | 5.63 | 280.3–321.6 | 191.5–203.3 | 23.6–29.0 |
NAD-4 | 5/22/2007-5/23/2007 | 1.09 | 90.8 | 69.5 | 28.7 |
NAD-7 | 12/26/2007-12/27/2007 | 1.05 | 49.0 | 38.1 | 15.0 |
NAD-26 | 11/12/2008-11/14/2008 | 1.94 | 82.0 | 59.6 | 19.3 |
