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t <br />~`- <br />Laboratories, Inc. <br />v73 nnwnhill Drive Steamboat Sodnas. CO 80487 (8001 3345493 <br />''~"r~:mc~:w'r~ ' ,ice.". 'O ..uer. : a.: . s .HB: <br />Balch A distinct set of samples analyzed at a specifc time <br />Found Value of the QC Typa of interest <br />Limit Upper limit for RPD, in %. <br />Lower Lower Recovery Limit, in % (except for LCSS, mglKg) <br />MDL Method DelaAion Limit. Same as Minimum Reporting Limit Allows for instrument and annual fluctuations. <br />PCN/SCN A number assigned to reagents/standards to trace to the manufacturer's cedlflcate of analysis <br />PqL Practical Quanlitation limit, typically 5 times the MDL. <br />qG 7me 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 (or LCSS, mglKg) <br />RPD Relative Percent Difference, calculation used for Duplicate DC Types <br />Upper Upper Recovery Limit, in % (except far LCSS, mg/Kg) <br />Sample Value of the Sample of interest <br />AS Analytical Spike (Post Digestion) LCSWD Laboratory Contml Sample-Water Duplicate <br />ASD Analytical Spike (Post Digestion) Duplicate LFB Laboratory Fortfietl Blank <br />CCB Continuing Calibration Blank LFM Laboratory Fortified Mabix <br />CCV Continuing Calivation Verifcation standard LFMD Laboratory FortiSetl Matrix Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />ICB Initial Calibration Blank MS Matrix Spike <br />!CV Initial Calibration Verification standard MSD Matrix Spike Duplicate <br />ICSAB Inter-element Correction Standard -A plus B solWons PBS Prep Blank -Soil <br />LCSS Laboratory Contml Sample -Sail PBW Prep Blank -Water <br />LCSSD Laboratory Control Sample -Sail Duplicate POV Pracdcal Quantlfabon Verification standard <br />LCSW Laboratory Control Sample-Water SDL Sedal Dilution <br />Blanks ~ Verifies that there is no or minimal contamination in the prep method or calibration procedure. <br />Control Samples Verifes the accuracy of the method, inGuding the prep procedure. <br />Duplicates Verifies the precision of the instrument andlor method. <br />Spikes/pbNfied Matrix Determines sample matdx interferences, if any. <br />Standard Verifies the validity of the calibration. <br />B Analyte conbentratian detected at a value between MDL and PQL. <br />H Analysis exceeded method hold time. pH Is a feld test with an immediate hold time. <br />R Pow spike recovery accepted because the other spike in these! fell within the given limits. <br />T High Relative Percent Difference (RPD) accepted because sample concentrations are less than tOx the MDL. <br />U Analyte was analyzed tar 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 far 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 />(tj 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) DC results calculated from raw data. Results may vary slightly if the rbuntled values are used in the calculations. <br />(2) Sail, Sludge, and Plant matrices far 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 />L49850: Page 9 of 26 <br />