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ADZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493 <br />Report Header Explanations <br />Batch A distinct set of samples analyzed at a specific time <br />Error( + / -) Calculated sample specific uncertainty <br />Found Value of the QC Type of interest <br />Limit Upper limit for RPD, in %. <br />LCL Lower Control Limit, in % (except for LCSS, mg /Kg) <br />LLD Calculated sample specific Lower Limit of Detection <br />PCN /SCN A number assigned to reagents /standards to trace to the manufacturer's certificate of analysis <br />PQL Practical Quantitation Limit <br />QC True Value of the Control Sample or the amount added to the Spike <br />Rec Amount of the true value or spike added recovered, in % (except for LCSS, mg /Kg) <br />RER Relative Error Ratio, calculation used for Dup. QC taking into account the error factor. <br />UCL Upper Control Limit, in % (except for LCSS, mg /Kg) <br />Sample Value of the Sample of interest <br />QC Sample Types <br />DUP <br />LCSS <br />LCSW <br />Sample Duplicate <br />Laboratory Control Sample - Soil <br />Laboratory Control Sample - Water <br />MS /MSD <br />PBS <br />PBW <br />Matrix Spike /Matrix Spike Duplicate <br />Prep Blank - Soil <br />Prep Blank - Water <br />QC Sample Type Explanations <br />Blanks <br />Control Samples <br />Duplicates <br />Matrix Spikes <br />Verifies that there is no or minimal contamination in the prep method procedure. <br />Verifies the accuracy of the method, including the prep procedure. <br />Verifies the precision of the instrument and /or method. <br />Determines sample matrix interferences, if any. <br />ACZ Qualifiers (Qual) <br />H Analysis exceeded method hold time. <br />R Poor spike recovery accepted because the other spike in the set fell within the given limits. <br />T High Replicate Error Ratio (RER) accepted because sample concentrations are less than 10x the MDL. <br />U No nuclides detected above the Lower Limit of Detection (LLD) <br />✓ High blank data accepted because sample concentration is 10 times higher than blank concentration <br />X QC is out of control. See Case Narrative. <br />Z Poor spike recovery is accepted because sample concentration is four times greater than spike concentration <br />Method Prefix, Reference <br />M <br />SM <br />D <br />RP <br />ESM <br />Comments <br />(1) <br />(2) <br />(3) <br />(4) <br />Solid matrices are reported on a dry weight basis. <br />Preparation method. "Method" indicates preparation defined in analytical method. <br />QC results calculated from raw data. Results may vary slightly if the rounded values are used in the calculations. <br />An asterisk in the "XQ" column indicates there is an extended qualifier and /or certification <br />qualifier associated with the result. <br />For a complete list of ACZ's Extended Qualifiers, please click: http:// www .acz.com/public /extquallist.pdf <br />REPIN09.12.29.01rc <br />EPA methodology, including those under SDWA, CWA, and RCRA <br />Standard Methods for the Examination of Water and Wastewater, 19th edition (1995) & 20th edition (1998). <br />ASTM <br />DOE <br />DOE /ESM <br />Page 32 of 37 <br />