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. Author manuscript; available in PMC: 2009 Jul 20.
Published in final edited form as: J Hazard Mater. 2008 Jul 26;163(2-3):946–958. doi: 10.1016/j.jhazmat.2008.07.089

Fig. 2.

Fig. 2

Location of sampling sites. Sites were randomly selected throughout El Paso County. No sample was collected in the Ford Bliss area due to security concerns.