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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 dwww mecampbell com E mail ma,n@mccampbell cum <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303082 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 6089 Spiked Sample ID N/A <br /> Compound <br /> Sample Spiked MS* MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%} <br />' kg/L Ng/L % Rec %Rec %RPD %Rec %Rec %RPD Low i� High <br /> TPH(gas) N/A 60 N/A N/A N/A 115 107 711 80 120 <br />' MTBE N/A 10 N/A N/A N/A 866 862 0 383 80 120 <br /> Benzene NIA 10 NIA N/A N/A 921 89 5 2 82 80 120 <br /> Toluene N/A 10 N/A NIA NIA 863 85 5 0 871 80 120 <br />' Ethylbenzene N/A 10 N/A N/A N/A 93 7 92 7 1 11 80 120 <br /> Xylenes N/A 30 NIA N/A N/A 93 88 552 80 120 <br /> %S5 N/A 100 N/A N/A N/A 964 973 0 915 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 /> Deviation <br /> N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=anatyte concentration in sample exceeds spike amount for sod matrix 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—MSD)!(MS;MSD)*2 <br /> *MS and/or MSD spike reeovenes may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amounts ,ked orb if that specific sample matrix interferes wrth spike recovery <br /> I <br />