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Determination of Practical Quantitation Levels for Organic Compounds in Drinking Water
Author(s) -
Oxenford Jeffrey L.,
McGeorge Leslie J.,
Jenniss Stephen W.
Publication year - 1989
Publication title -
journal ‐ american water works association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.466
H-Index - 74
eISSN - 1551-8833
pISSN - 0003-150X
DOI - 10.1002/j.1551-8833.1989.tb03193.x
Subject(s) - analyte , environmental chemistry , environmental science , contamination , chemistry , chromatography , biology , ecology
This article describes the approach used by the state of New Jersey to determine practical quantitation levels (PQLs) for 22 organic compounds in drinking water. An interlaboratory study was conducted using six state‐certified laboratories. Samples with concentrations ranging from 0.1 to 20 μ g/L were analyzed using US Environmental Protection Agency methods 502.1, 503.1, and 524.1. Results indicated a clear decrease in precision and accuracy with decreasing concentration. Acceptable quantitation could be achieved between 1 and 5 μ g/L for volatile organic contaminants. The PQLs were affected by the individual analyte's performance in the methods.