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I110 2nd Avenue South,HD7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hitp//www mccampbell coin E-mail maurQmccampbell coin <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303483 <br /> EPA Method SW8021 W8015Cm Extraction SW5030B BatchlD 6347 Spiked Sample ID 0303483-003A <br /> Sample Spiked MS" MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> lig/L pg1L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 111 111 0 154 102 104 254 80 120 <br /> MTBE ND 10 116 114 1 84 859 87 123 80 120 <br /> Benzene ND 10 102 103 0 973 91 7 968 542 80 120 <br /> Toluene ND 10 974 101 3 31 915 966 540 80 120 <br /> IEthylbenzene ND 10 968 976 0 777 928 973 475 80 120 <br /> Xylenes ND 30 923 93 0 719 95 997 479 80 120 <br />' 0/oSS 101 100 913 93 1 192 862 88 4 246 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 /> 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 and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100*(MS-Sample)/(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 /> janalyte relative to the amountspiked orb if that sPWAc sample matrix interferes with spike repo <br />