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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Chemosphere. 2013 Sep 17;93(10):10.1016/j.chemosphere.2013.08.044. doi: 10.1016/j.chemosphere.2013.08.044

Table 1.

Nominal and measured copper concentrations.a

Sample Nominal (ppb) Measured (ppb)
Control 0 1
Cu-L 5 5
Cu-M 25 23
Cu-H 50 44
a

Waterborne Cu concentrations were analyzed by the UW Trace Organics Laboratory using inductively coupled plasma-mass spectrometry (ICP-MS) using U.S. Environmental Protection Agency (EPA) method 6020A (EPA, 2008).