Chromium speciation in rainwater: temporal variability and atmospheric deposition.

@article{Kieber2002ChromiumSI,
  title={Chromium speciation in rainwater: temporal variability and atmospheric deposition.},
  author={Robert J. Kieber and Joan D. Willey and Suzanne D Zvalaren},
  journal={Environmental science & technology},
  year={2002},
  volume={36 24},
  pages={5321-7}
}
The concentrations of the various chromium species were determined in 89 rainwater samples collected in Wilmington, NC, from October 1, 1999, to December 31, 2001. Volume-weighted annual average concentrations of Cr(total), particulate Cr, Cr(III)(aq), and Cr(VI)(aq) were 4.6, 2.2, 0.8, and 1.2 nM, respectively. There was distinct seasonal and diurnal variability in the concentrations of the various chromium species. Chromium emissions to the global atmosphere by both natural and anthropogenic… CONTINUE READING

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