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i110 2nd Avenue South #D7,Paeheco CA 94553-5569 <br /> McCampbell Analytical Inc Telephnne 925-798-1620 Fax 925798-1622 <br /> hup 11www mecampbell corn E mail miun[u mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021.B/8015Cm <br /> i <br /> Matrix A WorkOrder 0303176 <br /> iEPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 61-51 Spiked Sample ID 0303144-011A <br /> Sample Spiked MS' MSD' MS-MSD-1LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> i Wg/L Ng/L %Rec %Rec %RPD %Rec % Rec %RPD Low Nigh <br /> TPH(gas) ND 60 817 823 0 827 102 102 00549 80 120 <br /> MTBE ND 10 876 929 586 91 87 1 438 80 120 <br /> iBenzene ND 10 109 110 0 637 92 1 907 1 52 80 120 <br /> Toluene ND 10 112 113 0 582 868 86 0 914 80 120 <br /> iEthylbenzene ND 10 112 111 0 272 94 93 106 80 120 <br /> Xylenes ND 30 113 110 299 92 7 983 479 80 120 <br /> %SS 980 100 924 93 6 130 92 6 943 1 78 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 /> I• <br /> I <br /> MS=Matrix Spike IVSD=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 and matrix spike duplicate <br /> • NR=analyte 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 /> analyte content <br /> %Recovery=100.(MS Sample)!(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)'2 <br /> MS and 1 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 /> I <br />