Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
39, Number 6, June 2001, pp. 255-259
Collaborative
Study of EPA Method 317.0 for the Determination of Inorganic Oxyhalide Disinfection
By-Products in Drinking Water Using Ion Chromatography with the Addition of
a Postcolumn Reagent for Trace Bromate AnalysisHerbert
P. Wagner[1], Barry V. Pepich[1], Christopher P. Frebis[2], Daniel P. Hautman[2],
David J. Munch[2], and Peter E. Jackson[3]
[1] IT Corporation, Technology Applications Group, 26 W. Martin Luther King
Drive, Cincinnati, OH 45219;
[2] U.S. Environmental Protection Agency, Office of Ground Water and Drinking
Water, 26 W. Martin Luther King Drive, Cincinnati, OH 45268; and
[3] Dionex Corporation, 1228 Titan Way, Sunnyvale, CA 94088-3606
The development of the U.S. Environmental Protection Agency (EPA)
Method 317.0 is initiated to provide a sufficiently sensitive and fundamental
technique for the compliance monitoring of trace levels of bromate in drinking
water. After a comparative evaluation of Method 317.0 and elimination of a chlorite
interference, this method is tested by a collaborative study in order to determine
the precision and bias of the method and evaluate its potential role as a future
compliance-monitoring method for inorganic disinfection by-products (DBPs) and
trace bromate. This technique provides a practical method for future compliance
monitoring for all of the inorganic oxyhalide DBPs including trace concentrations
of bromate.
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