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<br />ACZ Laboratories, Inc. <br />773 Downhill Dnve Steamboat Spnnos. CO 80487 /800131 <br />.Batch A distinct set of samples analyzed at a specific lime <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, mg/Kg) <br />MDL Method Detection Limit. Same as Minimum Reporting Limit. Allows for instrument antl annual fluctuations. <br />PCN/SCN A number assignetl to reagents/slandartls to trace to the manufacturer's cerliflcate of analysis <br />POL Practical Ouantitation Limit, typically S limes the MDL. <br />OC True Value of the Control Sample or the amount atltletl to the Spike <br />Rec Amount of Me true value or spike added recovered, in °h (except for LCSS, mg/Kg) <br />RPD Relative Percent Difference, calculation usetl for Duplicate OC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mg/Kg) <br />Sample Value of me Sample of interest <br />AS Analytical Spike (Post Digestion) LCSWD Laboratory Control Sample -Water Duplicate <br />ASD Analytical Spike (Post Digestion) Duplicate LFB Laboratory Fortifed Blank <br />CCB Continuing Calibration Blank LFM laboratory Fortified Mabix <br />CCV Continuing Cativation Venfica8on standard LFMD Laboratory Fortifretl Matdz Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />ICB Initial Calibration Blank MS Matrix Spike <br />ICV Initial Calibration Vert6cation stantlartl MSD Matrix Spike Duplicate <br />ICSAB Inter-element Comeclion 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 Venflcation stantlartl <br />LCSW Laboratory Control Sample-Water SOL Serial Dilution <br />Blanks Vermes that there is no or minimal contaminaaon in the prep methotl or calibration procedure. <br />Control Samples Verifies the accuracy of the method, inclutling th e prep procedure. <br />Duplicates Verifies the precision of the instrument and/or methotl. <br />Spikes/FOrtifietl Matrix Determines sample matrix interferences, if any. <br />Standard Verdes the validity of the calibration. <br />B Analyle concentration delectetl at a value between MDL antl PDL. <br />H Analysis exceeded methotl hold time. pH is a field test with an immetliate holtl 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) acceptetl because sample concentrations are less than 10x the MDL. <br />U Analyle was analyietl for but not detectetl at the intlicatetl 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 acceptetl because Silver often precipitates with Chloritle. <br />X Oualily control sample Is out of control. <br />Z Poor spike reCAVery is acceptetl because sample concentration is four times greater than spike concentration. <br />(1) EPA 600/4-83-020. Mefhotls for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600/R-93-100. Melhotls for the Determination of Inorganic Substances in Environmental Samples, August 1993. <br />(3) EPA 600/R-94-111. Methotls for the Determination of Metals in Environmental Samples -Supplement I, May 1994. <br />(6) EPA SW-846. Test Methotls for Evaluating Solid Waste. third Edition with Update tll, December 7996. <br />(6) Stantlartl Methods for the Examination of Water and Wastewater, 19th edition, 1995. <br />(1) OC results calculated from raw tlata. Results may vary slighlly if the rountletl values are usetl in the falculali0ns. <br />(2) Soil, Slutlge, antl Plam matrices for Inorganic analyses are reported on a tlry weight basis. <br />(3) Animal matrices for Inorganic analyses are reported on an "as receivetl" basis. <br />REPIN03.11.00.01 <br />L60358: Page 4 of 7 <br />