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' I 10 2nd Avenue South dD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Teleplione 925-798 1620 Fix 925-798-1622 <br /> lutp Rwww niccampbell coin E mail roam r(e nircampbell corn <br /> r <br /> QC SUMMARY REPORT FOR SW826013 <br /> Matrix W WorkOrder 0211320 <br /> ffMethodW8260B Extraction SW5030B BatchlD 4954 Spiked Sample ID NIA <br /> Sample Spiked MMS* MSD* MS-MSD*, LCS LCSD ;LCS-LCSDJAcceptance Criteria <br /> irglL pg/L % Rec %,Rec % RPD % Rec % Rec %RPD Low High <br /> i <br /> Benzene N/A 10 N/A NIA NIA 123 120 3 15 I 70 130 <br /> Methyl-t-butyl ether(MTBE) NIA 10 N/A N/A NIA 114 116 1 27 70 �130� <br />' roluene NIA l0 N/A N/A NIA 109 106 3 14 70 130 <br /> %SSI NIA 100 N/A NIA N/A 91 3 929 1 71 70 130 <br />' %SS2 N/A 100 N/A N/A N/A 967 969 0 256 70 130 <br /> %SS3 N/A 100 NIA N/A N/A 993 101 i 143 i 70 130 <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 /> li <br /> 1 <br /> I <br /> I <br /> I <br /> I <br /> MS=Matrix Spike MSD w Matrix Spike Duplicate LC5=Laboratory Control Sample LCSD=Laboratory Control Sample Dup3icate RPD=Relative <br /> ❑eviakvn <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate Percent <br /> . NR=analyte concentration in sample exceeds spike amount for sod malnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I %Recovery=100*(MS-Sample)/(Amount Spiked) RPO=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 />