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ACZ Laboratories, Inc. <br />Batch A tlistinct set of samples analyzetl at a specific lime <br />Found Value of the QC Type of interest <br />Limif 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 />PCN/SCN A number assigned to reagents/stantlards to trace to the manufacturer's certificate of analysis <br />PQL Practical Duan[italion Limit, typically 6 times the MDL. <br />QC True Value of the Control Sample or the amount atlded tc the Spike <br />Rec Amount of the true value or spike added rewvered, in % (except for LCSS, mgMg) <br />RPD Relative Percent Difference, calculation used (or Duplicate QC Types <br />Upper Upper Recovery Llmil, In % (except for LCSS, mg/Kg) <br />Sample Value of the Sample of interest <br />AS Analytical Spike (Post Digestion) LCSWD Laboratory Control Sample -Water Duplicate <br />ASD Analytical Spike (Post Digestion) Duplicate LFB Laboratory Forti(ed Blank <br />CCB Continuing Calibration Blank LFM Laboratory Fortified Matrix <br />CCV Continuing Calivation Verfication SlantlaM LFMD Laboratory Fortified Matrix Duplicate <br />DUP Sample Duplicate LRB Laboretory Reagent Blank <br />ICB Initial Calibation Blank MS Matdx Spike <br />ICV Initial Calibration Verificetion standartl MSD Matdx Spike Duplicate <br />ICSAB Inter-element Correction Standard - A plus 8 solutions PBS Prep Blank -Soil <br />LCSS Laboratory Control Sample -Soil PBW Prep Blank -Water <br />LCSSD Laboratory Control Sample -Soil Duplicate PQV Practical r]uantitation Verification standartl <br />LCSW Laboratory Control Sample -Water SDL Serial Dilution <br />Blanks Verifies that there is no or minimal contamination in the prep method or calibration procedure. <br />Control Samples Verifies the accuracy of the meNod, including the prep procedure. <br />Duplicates Verifies the precision of the instrument and/or melhotl. <br />Spikes/Fortifed Matdx Determines sample matrix interferences, H any. <br />Standard Verifies the validity of the calibretion. <br />~ w . <br />B Analyte cencentration deteced at a value between MDL and PDL. <br />H Analysis exceeded method hold [Ime. pH is a field test with an immediate hold time. <br />R Poor Spike recevery 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 tOx Ne MDL. <br />U Anatyte was analyzed for but not detected at the indicated MDL <br />V High Dlank data accepted because sample concentration is 10 times higher than blank concentratlon <br />W Poor recovery for Silver quality control is accepted because Silver often predpifates with Chlodde. <br />X Duality control sample is out of control. <br />2 Poor spike recovery is accepted because sample cencen[relion 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 600IR-93-100. Methotls 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-646. Test Methods for Evaluating Solid Waste, Third Etlition with Update III, December 1996. <br />(6) Standard Methods for the Examination of Water antl Wastewater, 19m edition, 1995. <br />(1) ~ results calculated trom raw data. Results may vary slightly it the rounded values are used in tfie glculations. <br />(2) Soil, Sludge, and Plant matrices for Inorganic analyses are reported on a tlry weight basis. <br />(3) Animal matrices for Inorganic analyses are reDOrted on an "as received" basis. <br />REPIN03.11.00.01 <br />L41002: Page 10 of 33 <br />