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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 Ilwww mccampliell coni E-mail main r@mccampbell com <br /> • QC SUMMARY REPORT FOR SW802IB/8015Cm <br /> Matrix W WorkOrder 0207356 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 3152 Spiked Sample ID 0207356-001A <br /> Sample Spiked MS' MSD" MS-MSD-j LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L. % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 979 974 0 509 886 902 182 80 120 <br />' MTBE ND 10 849 833 194 827 838 139 80 120 <br /> Benzene ND 10 936 892 481 83 5 895 686 80 120 <br />' Toluene ND 10 963 948 1 56 887 94 5 83 80 120 <br /> Ethylbenzene ND 10 99 97 1 188 919 968 524 80 120 <br /> Xylenes ND 30 993 98 7 0 673 937 98 7 520 80 I20 <br />' %SS 967 100 98 6 984 0 176 968 973 0 530 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 /> lie <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> IDeviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx 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—NASD)/(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 amountspiked or b)if that specific sample matrix interferes with spike recovery <br />