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?JP <br />ADZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Sorincs. CO 80487 (800) 334-5493 sY 1 ?m 1 <br />B Analyte concentration detected at a value between MDL and"PQL. <br />H Analysis exceeded method hold time. pH is a field test with an immediate hold time. <br />R Poor spike recovery accepted because the other spike in the set fell within the given limits. <br />T High Relative Percent Difference (RPD) accepted because sample concentrations are less than lox the MDL. <br />U Analyte was analyzed for but not detected at the indicated MDL <br />V High blank data accepted because sample concentration is 10 times higher than blank concentration <br />.W Poor recovery for Silver quality control is accepted because Silver often precipitates with Chloride. <br />X Quality control sample is out of control. <br />Z Poor spike recovery is accepted because sample concentration is four times greater than spike concentration. <br />(1) EPA 600/4-83-020. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600/R-93-100. Methods for the Determination of Inorganic Substances in Environmental Samples, August 1993. <br />(3) EPA 600/R-94-111. Methods for the Determination of Metals in Environmental Samples - Supplement I, May 1994. <br />(5) EPA SW-846. Test Methods for Evaluating Solid Waste, Third Edition with Update III, December 1996. <br />(6) Standard Methods for the Examination of Water and Wastewater, 19th edition, 1995. <br />(1) QC results calculated from raw data. Results may vary slightly if the rounded values are used in the calculations. <br />(2) Soil, Sludge, and Plant matrices for Inorganic analyses are reported on a dry weight basis. <br />(3) Animal matrices for Inorganic analyses are reported on an "as received" basis. <br />REPIN03.11.00.01 <br />L59598: Page 10 of 17