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LOCKHEED MARTIN <br /> TABLE as <br /> DATA QUALIFIER DEFINITIONS FOR ORGANIC DATA REVIEW <br /> The definitions of the following qualifiers are prepared according to the <br /> document, "USEPA Contract Laboratory Program National Functional Guidelines <br /> for Organic Data Review, " February. 1994. <br /> U The analyte was analyzed for, but was not detected above the reported <br /> sample quantitation limit. <br /> L Indicates results which fall below the Practical Quantitation Limit. <br /> Results are estimated and are considered qualitatively acceptable -but <br /> quantitatively unreliable due to uncertainties in the analytical <br /> precision near the limit of detection. <br /> J The analyte was positively identified; the associated numerical value is <br /> the approximate concentration of the analyte in the sample. <br /> u <br /> N The analysis indicates the presence of an analyte for which there is <br /> presumptive evidence to make a "tentative identification. " <br /> NJ The analysis indicates the presence of an analyte that has been <br /> "tentatively identified" and the associated numerical value represents <br /> its approximate concentration. <br /> 1 <br /> U3 The analyte was not detected above the reported sample quantitation limit. However, the reported quantitation limit is approximate and may <br /> or may not represent the actual limit of quantitatioin .necessary to <br /> accurately and precisely measure the analyte in the sample. <br /> R The sample results are rejected due to serious deficiencies in the <br /> ability to analyze the sample and meet quality control criteria. The <br /> presence or absence of the analyte cannot be verified. <br /> 1 <br /> I <br /> ESTW-9A-673/OAOOSAMI6RPT <br /> i <br />