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ACZ Laboratories, Inc. <br />Batch A distinct set of samples analyzetl at a specific time <br />Found Value of the OC Type of interest <br />Limit Upper limit for RPD, in %. <br />Lower Lower Recovery Limit, in % (except for LCSS, mgMg) <br />MDL McNOd Detection Limit. Same as Minimum Reporting Limit. Allows for instrument and annual Ouduations. <br />PCN/SCN A number assigned to reagents/standards to trace to the manufacturer's certifcate of analysis <br />POL Practical Ouandtation limit, typically 5 times the MDL. <br />OC True Value of the Control Sample or the amount atltled to the Spike <br />Rec Amount of the true value or spike added recovered. in % (except for LCSS, mg/Kg) <br />RPD Relative Pement Difference, calculation used for Duplicate OC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mg/Kg) <br />Sample Value of the Sample of interest <br />AS Analytical Spike (Post Digestion) LCSWD Laboratory ConVOI Sample -Water Duplicate <br />ASD Analybcal Spike (Post Digestion) Duplicate LFB Labomtory FortiFled Blank <br />CCB Continuing Calibration Blank LFM Laboratory Fortifed Matdx <br />CCV Continuing Calivation Verification standard LFMD laboratory Fortifed Matrix Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />ICB Initial Calibration Blank MS Matrix Spike <br />ICV Initial Calibration Verifcation standard MSD Matdx Spike Duplicate <br />ICSAB Inter-element Correction Standartl - A plus B solutions PBS Prep Blank -Soil <br />LCSS Laboratory Control Sample -Soil PBW Prep Blank -Water <br />LCSSD Laboratory Control Sample -Soil Duplicate POV Practical Ouantitation Verifcetion standard <br />LCSW Laboratory Control 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 accuracy of the method, including th e prep procetlura. <br />Duplicates Verifies the precision of the insWmen[ and/or method. <br />Spikes/Fortifed Matrix Datertnines sample matrix intederences, if any. <br />Standard Verdes the validity of the calibration. <br />B Analyte concentration tletected at a value between MDL and POL, <br />H Analysis exceeded method hold time. pH is a field test with an immediate hold 6me. <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 Analyle was analyzed far but not tletected at the indiwtetl MDL <br />V High blank tlata accepted because sample concentration is 10 Bmes higher than blank concentmtion <br />W Poor recevery for Silver quality control is acceptetl because Silver often precipitates with Chloride. <br />X duality control sample is out of control. <br />Z Poor spike recovery is accepted because sample cencentretion 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, Thirtl Edition with Update III, December 1996. <br />(6) Standard Memods for the Examination of Water and Wastewater, 19N edition, 1995. <br />(1) QC results calculated from raw data. Results may vary slightly it 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 />L58843: Page 15 of 25 <br />