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Aniel IGLIII LII1'IIO1117'el1IUl nlC'Cbl'UI <br /> PAGE 15 <br /> AEN (CALIFORNIA) <br /> QUALITY CONTROL REPORT <br /> AEN JOB NUMBER 9642311 <br /> CLIENT PROJECT ID 04202013 2003 <br /> Quality Control and Project Summar <br /> All laboratory quality control parameters were found to be within established <br /> limits <br /> Detinitions <br /> Laboratory Control Sarnle (LCS)/Method Spike(s) Control samples of known composition LCS and Method Spike <br /> cata are used to %alidate batch analytical results <br /> ties of <br /> matrix <br /> subjected a -lire analyticala1procedurreeOUMatrixor osp ke a d madid) with <br /> spike atesQC daita arrepadvdisoryand <br /> wethoe Blank A^ analytical con•rol cc of all reagents, internal standards, and surrogate standards <br /> carried through tie en' re analytical process Used to monitor Laboratory background and reagent contamination <br /> Not Detected (ND) Lo- detected at or above the reporting limit <br /> relative Percent " "erence (RPD) An indication of method precision based on duplicate analysts <br /> ti_ooraly^ Lint: (� ) <br /> the lowest concentration routinely determined during laboratory operations The RL is <br /> c_neralty 1 'o �� ttrti� the Method Detection Limit (MDL) Reporting limits are matrix, lneth'od, and ana yte <br /> cer�endert ane t2<12 into account any dilutions performed as part of the analysis <br /> oga'es Organ c C,,%>Ounas which are similar to analytes of interest in chemical behavior, but are not found <br /> eri•i�on^><ntal ,orioles Surro9a"es are added to all blanks, calibration and check standards, samples, and <br /> ;iced is monitored as an indication of acceptable sample preparation and <br /> sariples j -rogatc recovery <br /> t^strincntal ptf"_rr�nCC <br /> Sirrogatcs = ..'cd out <br /> ir. Cates rc-..l" ca-,side of established laboratory OC limits <br /> I <br />