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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 /> http//www mccampbell com E-mail matn®mccampbell corn <br /> QC SUMMARY REPORT FOR SW802iB/8015Cm <br /> Matrix A WorkOrder 0207238 <br />' EPA Method SW8021 B/8015Cm Extraction_ SW5030B BatchlD 3023 Spiked Sample 1D 0207246-001A - <br /> Compound Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L lig/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 904 91 1 0 803 997 107 679 80 120 <br />' MTBE ND l0 811 842 376 907 939 349 80 120 <br /> Benzene ND 10 848 886 433 103 109 526 80 120 <br /> Toluene ND 10 904 943 425 106 1 l2 5 86 80 t20 <br />' Ethylbenzene ND 10 933 968 365 105 112 649 80 120 <br /> Xylenes ND 30 943 95 3 1 05 107 113 6 06 80 120 <br />' %SS 101 100 964 981 183 104 105 0 908 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> r <br /> i <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate 4CS=Laboretory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Rela4ve Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix 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 recoveries 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 />