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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> je�McCampbC4 Anaiytlea] Inc Telephone 925-798-1626 Fax 925-798-1622 <br />' http//wwwancrampbell corn E-mail main ccampbeil com <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0303448 <br /> EPA Method SW8260B Fxtracbon SW5030B BatchlD 6332 Spiked Sample ID 0303448-015B <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Compound <br /> pg/L Ng/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Methyl-t-butyl ether(MTBE) ND 20 104 802 261 795 785 128 70 130 <br />' %SS 992 100 109 112 214 763 754 121 70 130 <br /> All target compounds in the Method Blank ofths extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Contna!Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matnx spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100*(MS-Sample)1(Amount Spiked) RPD=100.(MS—MSD)/(MS+MSD)*2 <br /> *MS and/or MSD spike recovenes may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount Spiked,or b)if that specific sample matrix interferes with spike recovery <br />