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ACZ Laboratories, Inc. <br />2773 DownhiBOnve Steamtzxsr Sodnas. C0 80487 (8001 33S <br />~. '~M e mvx~f~":.t,`?`~~'. ~.~ .. ... ... .. ... .x;"~'~~.r,~~':rE J S~ib~a,~...;`'~k~~. ~5 <br />Batch A distinct set of samples analyzed a[ a specific time <br />Found Value of the QC Type of interest <br />V'm)t Upper limit for RPD, in %. <br />Lower Lower Recovery Limit, in % (except for LCSS, mg/Kg) <br />LCL Lower Control limit <br />MDL Method Deteclion Limit Same as Minimum Reporting Limit. Allows For instrument and annual fluctuations. <br />PCNlSCN A number assgned to reagents/standards to Uace to the manufacturefs certificate of analysis <br />PQL Practical Quantrtation Limit <br />qC True Value of the Control Sample or the amount added to the Spike <br />Rec Amoun[ of the true value ar sgke added recovereq in % (except for LCSS, mg1Kg) <br />RPD Relative Percent Difference, calculation rrsed for Duplicate DC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mglKg) <br />UCL Upper Control LJmtt <br />Sample Value of the Sample of interest <br /> ~ ~ - m r , ,~ ~., h rr' i , ~ <br />SURR Surrogate LFM Laboratory Fortfied Matrix <br />INTS Internal Standard LFMD Laboratory Fortified Matdx Duplicete <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />LCSS Laboratory Control Sample -Soil MSIMSD Matrix SpikelMatrix Spike Duplipte <br />LCSW Laboratory Contrd Sample -Water P8S Prep Blank - Shc <br />LFB Laboratory Fortified Blank PBW Prep Blank -Water <br />~ <br />" <br />L~iYLr'i „'g`.,~-'-~+"'^.~z~`~ ~'~ -rua~ a»~.r- r~ <br />"s~'4'~,~_~ <br />: <br />~ ~~~ <br />. <br />Btadcs .. <br />- <br />. <br />Verifies that there is no or minimal contamination in the prep method procedure. <br />Conbd Samples Verifies the accuracy d the method, indutlirg the prep procedure. <br />Oupfkates Verthes the precision of the instrument and/or method. <br />Spkes/Fortified Mgag9ytr~~i~zyy Determines sample matrix interterences, 'rf any. _ <br />(a, ~ aa~S4 .QP~ d Y ~~~st=, ~.t~ ~S' l ~-d~'L^S~R,. Tw y <br />Si .[ ~i Y~~JL~i1YL~.i!vreak..:Si~"r •m-'~°~yY i:;~h~'fAu <br />B Analyte detected in dairy blank <br />H Analysis exceeded method hob time. <br />J Analyte concentratan tleteaed at a value between MDL and PQL <br />R Poor spike recovery accepted because tM: other spike In the set fell within the given limits. <br />T High Relative Percent Difference (RPD) accepted because sample noncenhafions are less than 10x the MDL. <br />U Analyte was analyzed for but not detected at the indicated MDL <br />V High blank data accepted bepuse sample concentratOn fs 10 times higher than blank concentration <br />W Poor recovery for Silver quality contrd is accepted because Silver often precipitates with Chbdde. <br />X Quality content sample is out of control. <br />Z Poor spike recovery is accepted because sample concenharion is four Umes greater than spike concenhafion. <br />P Analyte concentration differs hen second deteGor by mare OWn 40%. <br />E Analyte concentration is estimated due to result exceeding plibra5on range. <br />M Analy[e concentration is estlma{ed due to matrix interferences. <br />(1) EPA 600/4-83-020. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600!4-90/020. Methods for the Determination d Organic Compounds in Drinking Water (I), July 1990. <br />(3) EPA 6001R-921129. Methods for the Determination of Organic Compounds in Drinking Wator (II), July 1990. <br />(5) EPA SW846. Test Methods for Evaluating Solid Waste, Third Editbn wrth Update 111, December, 1996. <br />(6) Standard Methods for the F~camination of Water and Wastewater, 19th edition, 1995. <br />a [ n ..:w ~ s a 'r. <br />..r ~-~M ~~. ~`i, 5v._ ~;:.~'-`.s~ ._ :.., ~-r..~~r.~..a ` J'~.+~t zrp. ww .v~,s ~~~`'-s~R.:~r ;~,.~?~iae!*:~:v'~a.~°az<~. _-„'~ <br />(i} OC resuhs calculated from raw daha. ResuHS may vary slightly if the rounded values are usedm Bre calculations. <br />l2) Oraanic analyses are reported on an'as received' basis. <br />REPIN03.71.(X).Ot <br />L43181: Page 1? of 16 <br />