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110 2nd Avenue South,9D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwmccanipbellcom F,-mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> BatchlD 2384 Matrix W WorkOrder 0206152 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B Ext Date 6/11102 Spiked Sample ID 0206147-001A <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(°�) <br /> Compound <br /> }/g/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 t02 107 11 479 107 106 072 80 120 <br />' MTBE ND 10 899 922 259 93 1 101 85 80 120 <br /> Benzene ND 10 925 965 428 108 109 0 84 80 120 <br /> Toluene ND 10 957 100 470 109 110 12 80 120 <br />' Ethylbenzene ND 10 96 100 445 113 112 038 80 120 ~ <br /> Xylenes ND 30 953 100 4 78 113 113 0 80 120 <br />' °/a5S 102 10 102 10l 0 941 102 103 066 80 120 <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 /> lie <br /> 1 <br /> 1 <br /> 1 <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 matrix spike or analyte concentration in sample exceeds spike amount. <br />' %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100`(NIS—MSD)/(MS+MSD)•2 <br /> *MS and I or MSD spike recoveries may not be near 100%or their BPDs near 0%if a)the sample is inhomogeneous AND contains signdicant concentrations of <br /> analyze relative to the amount spiked,or b)if that specific sample matnx interferes with spike recovery <br /> I <br />