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I110 2ud Avenue South ##D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> hap I/www mecampbell com E-mail mainrarnecampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix S WorkOrder 0210228 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 4406 Spiked Sample ID 0210234-001A <br /> Sample Spiked MS' MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> mg/Kg mg/Kg %Rec % Rec %RPD %Rec % Rec % RPD Low 1 High <br /> TPH(gas) ND 060 945 96 1 54 938 119 T <br /> 236 80 120 <br /> I MTBE ND 010 824 895 831 88 7 937 542 80 120 <br /> Benzene ND 010 974 103 5 95 92 2 978 5 88 80 120 <br /> Toluene ND 0 10 104 109 440 94 9 100 5 54 80 120 <br /> Ethylbenzene _ ND 0 10 100 105 436 93 8 98 6 4 93 80 120 <br /> Xylenes ND 030 997 103 3 61 993 103 3 95 80 120 <br /> I %SS 109 100 111 112 0 806 87 8 898 I 226 80 120 <br /> All target compounds in the Method Blank ofthis 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 Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> I Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sail matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte conlent <br /> I %Recovery=100"(MS Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> MS and I 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 orb if that specific sample matrix interferes with spike recovery <br />