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Laboratories, Inc. <br />.• <br />BatU A distinct set of samples analyzed at a specific time <br />Found Value of the GC Type of interest <br />Limn Upper limit for RPD, in %. <br />Lower Lower Recovery Limit, in % (except for LCSS, mglKg) <br />MDL Method Detection Limtt. 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 certificate of analysis <br />POL PradlCdl Guan6tation Limit, typically 5 times the MDL. <br />OC True Value of the Control Sample or the amount added to me Spike <br />Rec Amount of the true value or spike added recovered, in % (except for LCSS. mglKg) <br />RPD Re{atlve Percent Difference, calculation used for Duplicate QC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mglKg) <br />Sample Value of the Sample of interest <br /> <br /> <br />AS Analytical Spike (Post Digestion) LFM Laboratory Fodified Matrix <br />ASD Analytical Spike (Post Digestion) Duplicate LFMD Laboratory Fortified Martz Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />LCSS Laboratory Contml Sample -Soil MS/MSD Matrix Spike/Matrix Spike Duplicate <br />LCSW Laboratory Conlroi Sample -Water PBS Prep Blank -Soil <br />LFB Laboratory Fortified Blank PBW Prep Blank -Water <br />r. <br />Blanks Verifies that there is no or minimal contamination in the prep method procedure. <br />Contml Samples Verifies the accurery of the method, inGuding the prep procedure. <br />Duplicates Verdes the precision of the inswment and/or method. <br />SpikeslFortified Matrix Determines sample matrix iMederences, H any. <br />B Malyle wncentration detected al a value between MDL and PGL. <br />H Analysis exceeded method hold time. pH is a held 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 Difference (RPD) accepted because sample concentredons are less than tOx the MDL. <br />U Analyte was analyzed for but not detected at the indicated MDL <br />V High blank data accepted because sample concentration is 70 times higher than blank concentration <br />W Poor recovery for Silver qualiy 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 tour Dmes greater than spike wncentration. <br />(1) EPA 600/4-03-020. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600/R-93-100. Mettx~ds for the Determination of Inorganic Substances in Environmental Samples, August 7993. <br />(3) EPA 600IR-94-111. Methods for the Determination of Metals in Environmental Samples - Supdement I. May 1990. <br />(5) EPA SW~46. Test Methods for Evaluatlng Solid Waste, Third Edition with Update tll, December 1996. <br />(6) Standard Methods for tho Examination of Water and Wastewater, 19th edition, 1995. <br />(t) GC results calculated from raw data. Results may vary slightly if the rounded values are used in the calculations. <br />(2) Soil, Sludge, and PWnt matrices for Irxxganic analyses are reported on a dry weight basis. <br />(3) Animal matdces for Inorganic analyses are reported on an'as received" Dasis. <br />REPIN03.11.00.07 <br />L34213: Page 4 of 8 <br />