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ACZ Laboratories, Inc. <br />2773 Downhill Odve Steamboat Sodnos. CO 804R7 /8001 33 <br />Batch A distinct set of samples analyzed at a specific time <br />Found Value of the CG Type of interest <br />Limit Upper limit for RPD, in %. <br />Lower Lower Recovery Limit, in % (except for LCSS, mg/Kg) <br />MDL Method Detection Limit. Same as Minimum Reporting Limit. Allows for instrument and annual Fluctuations. <br />PCNlSCN A number assigned to reagentslstandartls to trace to the manufacturer's certificate of analysis <br />PQL Practical Quantilation Limit, typically 5 times the MDL. <br />OC True Vafue of the Control Sample of the amount added to the Spike <br />Rec Amount of the true value or spike added recovered, in % (except for LCSS, mg/Kg) <br />RPD Relative Percent Difference, calculation used for Duplicate DC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mgMg) <br />Sample Value of the Sample of interest <br />AS Analytical Spike (Post Digestion) LCSWD Laboratory ConVOI Sample -Water Duplicate <br />ASD Analytical Spike (POST Digestion) Duplicate LFB Laboratory Fortified Blank <br />CCB Continuing Calibration Blank LFM Laboratory Fortified Matrix <br />CCV Continuing Calivation Verifca6on standard LFMO Laboratory Fortifetl Matdx Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />ICB Initial Calibration Blank MS Matrix Spike <br />ICV Initial Calibration Verfication standard MSD Matrix Spike Duplicate <br />ICSAB Inter~lement Correction Standard - A plus B solutions PBS Prep Blank -Soil <br />LCSS Laboratory Control Sample -Soil PBW Prep Blank -Water <br />LCSSD Laboretory Control Sample -Soil Duplicate PQV Pmc6cel Quantilation Verification standard <br />LCSW Laboratory D0n1lOI Sample -Water SOL Serial Dilution <br />Blanks Venfes that there is no or minimal contamination in the prep method or calibration procedure. <br />Control Samples Verifies the acaracy of the methotl, Including the prep procedure. <br />Duplicates Vedfes the precision of the instrument and/or method. <br />Spikes/FOrtified Matrix Determines sample matrix interlerences, if any. <br />Standard Verifes the validity of the calibration. <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 10x the MDL. <br />U Analyze was analyzed for but not detected at the intlicetetl MDL <br />V High blank tlata 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 oui of control. <br />Z Poor spike recovery is accepted because sample concentration is tour times greater than spike concentration. <br />(1) EPA 600!4-63-020. Methotls 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 7993. <br />(3) EPA 600/R-94-111. Methods for the Determination of Metals In Environmental Samples -Supplement 1, May 1994. <br />(5) EPA SW-846. Test Methods for Evaluating Solid Waste, Third Edition with Update III, December 1996. <br />(6) Standard Methotls for the Examination of Water and Wastewater, 19th edition, 1995. <br />(t) QC results calculated from raw data. Results may vary slightly if the rountled values are used in the calculations. <br />(2) Soil, Sludge, and Plant matrices for Inorganic analyses are reported on a tlry weight basis. <br />(3) Animal maVices for Inorganic analyses are reported on an "as mceived" basis. <br />REPIN03.11.00.01 <br />L47159: Page 8 of 23 <br />