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Laboratories, Inc. <br />• 2773 Downhill Drive <br />gam"-'~"?ut~'a'*3s- <br />~;r uz .... ~}_s~ <br />DD <br />Batch A distinct set of samples analyzed ai a specifc time <br />Found Value of the QC Type of interest <br />Limit Upper limit for RPD, in % . <br />Lower Lower Recovery Limit, in % (except for LCSS, mg/Kg) <br />LCL Lower Control Limit <br />MOL Method Detection Limit. 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 />PQL Practical Ouantitation Limit ' <br />QC 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 />C - :.,=i-. ,ate-- b. ~~- .r <br />SURR Surrogate LFM Laboratory Fortified Matrix <br />INTS Internal Standard LFMD Laboratory Fortified Matrix Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />LCSS Laboratory Control Sample -Soil MS/MSD Matriu SpikelMatrix Spike Duplicate <br />LCSW Laboratory Control Sample -Water PBS Prep Blank -Soil <br />LF8 Laboratory Fortified Blank PBW Prep Blank -Water <br />Blanks Verities that 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 />• <br />Duplicates VeriFes the precision of the instrument and/or method. <br />Spikes/Fortified Matrix Determines sample matrix interferences, iF any. <br /> <br />B Analyte detected in daily blank <br />J Analyte concentration detected at a value between MDL and POL <br />R Poor spike rewvery 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 10x the MD. <br />U Analyze 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 with Chloride. <br />X Quality contreol sample is out of control. <br />~r, <br />i <br />Z Poor spike recovery is accepted because sample concentration is four times greater than spike concen[ratic <br />E Analyle concentration exceeds calibration range. <br />P Analyze wncentration differs from sewnd detector by more than 40%. <br />M Analyze concentration is estimated due to matrix interferences. <br />-'w*°~.±,,.".-„a.Nr ':43:Tr '4`.,r-,.. '';;JJyy,,~s~'j2a2"y`"~'{ ,r _., ,Y~ _. y^r. 2. _~* .r'l'~a.. _~ ', w::',~'~~ -. _ iy.~ ~:r.S <br />[ ~~..__ W.~.utA':iu..... /f.a"~.~'.a.+..:Fa>...~...Yaist~"?,~.~w.a1~.L.A£.'::?^.,."ii~viLL:':EL~. :1ua e~S .^d11".d "`c'" <br />(1) EPA 600/4-83-020. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600!4-901020. Methods for the Determinaton of Organic Compounds in Drinking Water (I). July 1990. <br />(3) EPA 600/R-921129. 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. q~ <br />F~ ` ~~~.,E~~'~~~iSw`'"""~`ys+vsx''-~YS~esF~~~~~.'r~.( Lv:1ma "~' '..~,~`~`~k~"; <br />(1) OC results calculated from raw data. Results may vary slightly if 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: Page 6 of 9 <br />