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~~~ Laboratories, Inc. <br />~n.1 n„Wmm~ nriva SMamfnaf Snnmx rn RnQR7 /RM1.9.?Q. <br />Batch A tlisdnct set of samples analyzed at a specific 6me <br />Found Value of the DC Type of interest <br />Umd Upper limit for RPD, in %. <br />Lower Lower Recovery Limit in % (except for LCSS, mgll(g) <br />MDL Method De[ed'an Limit. Same as Minimum Reporting Limit. Allows for insW merit and annual fluduadons. <br />PCN/SCN A number assigned to reagenDVStandards to trace to the manufadurer's certificate of analysis <br />PQL Pradipl Quantitation Limit typiplly 5 times the MDL. <br />QC True Value of life Control Sample or the amount added to the Spike <br />Rec Amount of the true value or spike atlded recovered, in % (except for LCSS, rtglKg) <br />RPD ReWdve Percent Difference, calculation used for Duplicete QC Types <br />Upper Upper Recovery Limit in % (except for LCSS, mglKg) <br />Sample Value of the Sample of interest <br />AS Anatytrpl Spike (Post Digestion) LFM Laboratory Fortffied Matrix <br />ASD Anatytipl Spike (Poet Digestion) Duplicate LFMD Laboratory Fortified Mafdx Duplicate <br />DUP Sample Duplicate LRB laboratory Reagent Blank <br />LCSS Laboratory Contrd Sample -Soil MS/MSD Matrbc SpikelMatdx Spike Duplixate <br />LCSW Laboratory ConDOI Sample -Water PBS Prep Blank - Soif <br />LFB Laboratory Fortified Blank PBW Prep Blank -Water <br />s <br />Blanks Verifies Mat there is no or minimal contamination in the prep method Procedure. <br />Control Samples Verifies the accuracy of the medal, induding the prep procedure. <br />Dupliptes Verifies Ne precision of the instnunent and/or memod. <br />Spikes(Fortified Matrix Determines sample matrhc iMerferences,'rf any. <br />• : . <br />8 Analyle cencentrafion detected at a value between MDL and PQL. <br />H Analysis exceeded method hold time. pH is a field lest with an immediate hold 8me. <br />R Poor spike recovery accepted because the other spike in the se[ fell within the given limits. <br />T High Relative Percent Drfference (RPD) accepted because sample coxentra8ons are less than 10x the MDL. <br />U Analyte was anayzed for but riot detected at the indipted MDL <br />V High blank tlata accepted because sample Wncantration is 10 times higher than blank concentration <br />W Poor recovery for Silver quality control is accepted Depose Silver often predpitates with Chlodde. <br />X Quality centrol sample is out of coMrd. , <br />Z Poor spike recovery is accepted because sample conceMretlon rs four 8mes greater than spike concentration. <br />(1) EPA 600/483020. Metfrods for Chemipf Anaysis of Water and Wastes, March 1983. <br />(2) EPA 600/R-93-100. MetFfods for 8fe Detannina8on of Inorganic Substances in Environmental Samples, August 1993. <br />(3) EPA 600/R-94-111. Methods for the Determination of Metals in Environmenaal Samples -Supplement I. May 1994. <br />(~ EPA SW-846. Test Meftfods for Evaluatlrg Solid Waste, Third Edition with UDdate III, December 1996. <br />(6) Standard Methods for the Examination of Water and Wastewater, 19th edft'ron. 1995. <br />(i) QC resuks piplated from raw data. Results may vary slightly if the rounded values are used In the pkulaDOns. <br />(Z) Soil, Sludge, and PIaM matrices for Irrorgarric 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 />L39020: Page 4 of 9 <br /> <br />