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ACZ Laboratories, Inc. <br />Batch A tlistinct set of samples analyzed at a speck time <br />Found Value of the DC Type of interest <br />L(mif Upper limit for RPD, in %. <br />Lawar Lower Rewvery Limit, in % (except for LCSS, mgMg) <br />MDL Methotl Detection Limit. Same as Minimum Reporting Limit. Albws for instrument antl annual Fluctuations. <br />PCN/SCN A number assigned to reagents/standards to Vace to the manufacturer's certifcate of analysis <br />PQL Practical Duantitation Limit, typically 5 times the MDL. <br />DC True Value of the Control Sample or the amount added to the Spike <br />Rec Amount of the true value or spike adtled recovered, in % (except for LCSS, mg/Kg) <br />RPD Relative Percent Difterence, calculation usetl for Duplicate DC 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 Control Sample -Water Duplicate <br />ASD Analytical Spike (Post Digestion) Duplicate LFB Laboratory Fortifietl Blank <br />CCB Continuing Calibration Blank LFM Laboratory Fortified Matrix <br />CCV Continuing Caliva8on Vedfcation stantlard LFMD Laboratory Fortifed Matrix Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />/CB Initial Calibration Blank MS Matrix Spike <br />1CV Initial Calibration Vadficatlon s[antlard MSD Matrix Spike Dupllrate <br />ICSAB Interalement Correction Standard - 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 PDV Practical Duantitation Verification stantlard <br />LCSW Laboratory Control Sample-Water SOL Serial Dilution <br />Blanks Verifies that mere is no or minimal contamination in the prep method or calibration procedure. <br />Control Samples VenBes the accuracy of the method, including th e prep procetlure. <br />Duplicates Verifies the precision of g1e insWment antl/or m eNOd. <br />Spikes/Fodifed Matdz Determines sample matrix interferences, if any. <br />Standard Verifies the valitlity of the calibration. <br />• • . <br />B Analyze concentration detected at a value between MDL and PDL. <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 DiRerence (RPD) accepted because sample concen[retions are less than 10x the MDL. <br />U Analyze was analyzetl for but not tleteunetl at [he indicated MDL <br />V High blank tla[a acceptetl 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 Duality control sample is out of control. <br />Z Poor spike recovery is accepted because sample concentration is four times greater than spike concentration. <br />(1) EPA 6001483-020. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600/R-93-100. Methods far 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 />(6) EPA SW-846. Test Methods for Evaluating Solid Waste, Third Edition with Uptlate III, December 1996. <br />(6) Standard Methods for the Examination of Water and Wastewater, 19th edition, 1995. <br />(1) DC results calculatetl from raw data. Results may vary slighay i(the rcunded values are used in the calculatlons. <br />(2) Soil, Sludge, and Plant matrices for Inorganic analyses are repoM1ed on a dry weight basis. <br />(3) Animal matdces for Inorganic analyses are reportetl on an "as receivetl" basis. <br />REPIN03.11.00.01 <br />L46870: Page 3 of 10 <br />