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08/20/2003 14 42 2094671118 AGE STOCKTON PAGE 12/16 <br /> t 10 2nd Avenue South,tlD7 Pacheco CA 94553.5560 <br /> McCampbell A,laalyhcal Inc Tetephorn 925 79 OZO Pax 925-799-1622 <br /> Nwwwx II com krrmrl mat Ca bell Corn <br /> ,n <br /> QC SUMMARY REPORT IFOR SW8260B <br /> Matrix W Workorder 0308037 <br /> EPA Method SW82600 Extraction $W50309 Datt hlQ 8067 Spiked Sample ID 0308037-GOOD <br /> Sample Spiked MS' MSD' MS-M51)` LCS LCSD LGS-LCSD Acceptance Criteria(%) <br /> lrglL pglL % Rec� %Rec� %RPD %Rec� %Rec %RPD Low Hlgh <br /> tert-Amyl methyl ether(TAME) ND 10 102 99 286 102 109 682 70 1 130 <br /> t-Butyl alcohal(TBA) ND 50 <br /> 992 107 838 102 112 990 70 130 <br /> L)++sopropyl ether(DIP$) --Nr) �1() 119 118 005 117 127 804 70� 130 <br /> Ethyl tert-butyl ether(@TBE) ND 10105 103 23U 104 114 8 90 70 130 <br /> Methyl-t-butyl ether(MTBIs) ND 10_ 106 107 0 984 107 114 6 43 70 130 <br /> 970 100 107 104 2 46 104 109 484 70 130 <br /> All target campound-t in the Metthnd Blank of this extraetron htttCh were ND less than the mcftd RL with the fallowing exceptions <br /> NONE <br /> hAS=hNiMx Spike,MSD=Mstrfx Spike Duplicate LCe=Lehargtpry C Wt of Sample LOW=Laboratory Control 8ampfe Duplk:Fte,RPD W Relative Percent <br /> Deviabon <br /> %R6Ct]v6rp=100'(MS-3ampla)!(Amount Spiked),RPD=100•(MS—WD)/(MS+MSD)'2 <br /> •AAS and 1 or MSD spike recovores may not be near 109%or the RPos near 0%it a)the sample is inhomageneus AND contains significant cwnpentraborns of <br /> ON-oyto relative to the amount Spiked or b)If that sae ific sample matrhr intoff9res vnth splkg r unwary <br /> NIA it not enough Ramplc to perform matrix spike and matrix spike duplicate <br /> NR 2 analyte concentration in sample exceeds spiko amount ler sail matrix Or exceeds 2X Spike amount for water msMx or sample diluted due to hgh matrix or <br /> . analyte content <br /> LelboLojoryaAmchon solveft aich as.methyloria chlonde and ecotone may 22Mione-IN apWr In the method blank at low levels <br /> 1 <br />