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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> Telephone 925-798 1620 Fax 925-798 1622 <br /> McCazhlpbell Analytical Inc - <br /> [wp//www mccampbell corn F--mail mare a mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B1801SCm <br /> Matrix W WorkOrder 0212122 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 5213 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD` MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(°�} <br /> Compound <br /> INg/L Ng/L %Rec %Rec %RPD %Rec %Rec %RPD Low I High <br /> 'ITH(gas) N/A 60 N/A N/A N/A 979 999 203 80 120 <br /> MTBE NIA 10 N/A N/A N/A 942 965 236 80 120 <br /> Benzene N/A 10 N/A N/A NIA 105 103 206 80 120 <br /> Toluene N/A 10 N/A N/A N/A 107 105 168 80 120 <br /> Ethylbenzene NIA 10 N/A N/A NIA 101 101 0 187 80 120 <br /> Xylenes N/A 30 N/A N/A NIA 103 103 0 80 120 <br /> %SS NIA 100 N/A N/A NIA 977 95 8 195 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 /> E NONE <br /> E � <br /> E <br /> E <br />! <br /> I <br /> E <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> E Deviation <br /> N/A=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 /> E analyte content <br /> %Recovery=100*(MS-Sample)1(Amount Spiked) RPD=100*(MS—MSD)/(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 concentratlons of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />