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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798 1622 <br /> - hap/Iwww mccampbell corn Email mam r ccampbell com ' <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0210536 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 4686 Spiked Sample ID 0210551-OOIA <br /> Sample Spiked MS* MSD" MS-MSD. LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Benzene ND 10 103 103 0 160 108 105 3 13 70 130 <br />' Methyl-t-butyl ether(MTBE) 05796 10 121 123 1 60 909 85 1 662 70 130 <br /> Toluene ND 10 108 107 0 894 116 111 392 70 130 <br /> %SSI 117 100 117 116 0267 104 101 282 70 130 <br />' %SS2 975 100 974 967 0 767 96 1 929 336 70 130 <br /> %SS3 884 100 979 979 00130 919 91 1 0 979 70 130 <br /> i <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method Rf-with the following exceptions <br /> NONE <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR anatyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyto content <br /> %Recovery=100"(MS-Sample)1(Amount Spiked) RPD=100"(MS—MSD)I(MS+MSD)'2 <br /> 'MS and 1 or MSD spike recoveries may not be near I GO%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 />