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~~ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 8(}4B7 (800) 334-5493 ~r r.'~~'3}:a.~1,1:,~;g~+1~,~ <br />N_~•~;1~vac:~~cs ~`l-'~'iT'.e ~il_ r~+~r .~*'-ie ~ c-i3' '~4~y~-_ S'~.' ~. u`-~ .- 'Gj~~'+~ <br />Batch A distinU set of samples analyzed at a specific time <br />Found Value of the OC Type of interest <br />Limn Upper I~mit for RPD, in % . <br />Lower Lower Recovery Limit. in % (except for LCSS. mglKg) <br />LCL Lower Conuol Limn <br />MDL Method Detection Limit. Same as Minimum Reporting Limit. Allows For instrument and annual Huclualions. <br />PCN/SCN A number assigned to reagenls/standards to trace to the manufacturers certificate of analysis <br />PQL Practical Quantitahon Limit ' <br />OC True Value of the Control Sample or the amount added to the Spike ~ <br />Rec Amount of the true value or spike added rewvered, in °/, (except for LCSS, mg/Kg) <br />RPD Relative Percent Difference, calculation used for Duplicate OC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mg/Kg) <br />UCL Upper Control Limit <br />Sample Value of the Sample of interest <br />^ ,:,; <br />SURR Surrogate CFM Laboratory Fortified Matrix <br />INTS Internal Standard LFMD Laboratory Fortified Matrix Duplicate <br />DUP Sample Duplicate L RB Laboratory Reagent Blank <br />LCSS Laboratory Control Sample -Soil MS!MSD Marix SpikelMatrix Spike Duplicate <br />LCSW Laboratory Control Sample-Water PBS Prep Blank-Soil <br />LFB Laboratory Fortified Blank PBW Preo Blank -Water <br />Blanks Verifies Thal there is no or minimal contamination in the prep method procedure. <br />Control Samples Verifies the accuracy of the method. including the prep procedure. <br />Duplicates Verifies the precision of the instrument and/or method. <br />Spikes/Fortified Matrix Determines samole matrix interferences. if anv. <br />B Analyle detected in daily blank <br />J Analyte wncentration detected at a value between MDL and POL <br />R Poor spike recovery accepted because the other spike in the set tell within the given limits. <br />T High Relative Percent Difference (RPD) accepted because sample concentrations are less than 10x the MDI <br />U Analyfe was analyzed for 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 rewvery for Silver quality control is accepted because Silver often precipitates wnh Chloride. <br />X Quality contreol sample is out of control. <br />Z Poor spike recovery is accepted because sample concentration is four times greater than spike concentratic <br />E Analyfe concentration exceeds calibration range. <br />P Analyte concentration differs from second defector by more than 40%. <br />M Analyte concentration is estimated due to matrix interferences. <br />L:+v,m.:e+i'.r~4-.s..ew, .~,._..:.xi.TM.f.:.4~ }'i:3a. '.s.u'_.' y_:~.i is ~..,a~ .,..,L'L~ <br />(1) EPA 60 014-8 3-0 20. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600!4-90/020. Methods for the Determination of Organic Compounds in Drinking Water (I), July 1990. <br />(3) EPA 600/R-92/129 Methods for the Determination of Organic Compounds in Drinking Water (II), July 1990. <br />(5) EPA SW-846. Test Methods for Evaluating Solid Waste, Third Edition with Update II, September 1994. <br />(6) Standard Methods for the Examination of Water and Wastewater, 19th edition, 1995 <br />11) QC results calculated from raw data. Results may vary slightly it the rounded values are used in the calculai <br />(2) Organic analyses are reported on an "as received" basis. <br />REPIN03 11.00 01 <br />L33194: Paee6of9 <br />