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110 2nd Avenue South,#137,Pacheco CA 94553-5560 <br /> L�A�cCa�mpbe�IlAna�lyftcal�Ihnie Telephone 925-798-1620 Fax 925-798 1622 <br /> Ihttp Ilwww mccampbell com E-maii MErriccanipbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0305122 <br />' EPA Method SW8260B Extraction SW50306 BatchlD 6828 Spiked Sample ID 0305123-0088 <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Cnterla(%) <br />' Compound <br /> lig/L lig/L. %Rec %Rec % RPD % Ree %Ree % RPD Low High <br /> tent-Amyl methyl ether(TAME) ND l0 103 106 294 100 101 0 602 70 130 <br />' 1 2-Dibromoethane(EDB) ND 10 116 117 0 173 108 108 0 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 106 110 3 76 116 117 134 70 130 <br />' Dusopropyl ether(DIPE) ND 10 106 110 3 54 124 118 505 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 101 105 452 109 105 359 70 ! 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 106 114 669 111 105 545 70 130 <br />' %SS1 103 100 102 103 1 52 109 105 339 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sampie LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)!(Amount SpFked) RPD=100*(MS;—MSD)I(MS+MSD)*2 <br />' *MS and 1 or MSR spike recovenes may not be near 100%or the RP Ds near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b),f that spea8c sample matnx interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br />' NR=analyte concentration in sample exceeds spike amount for sosl matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasional) a ear in the method blank at low levels <br /> 1 <br />