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I110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McCampbell ,Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http!/www mccampbell cam E-mail ma n@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix W WorkOrder 0207202 <br /> iEPA Method SW8021 B/8015Cm Extraction SW6030B BatchlD 2969-- Spiked Sample ID 0207203-002A <br /> Sample Spiked MS" MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> INg/L erg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 106 105 0 680 104 108 434 80 120 <br /> MTBE ND 10 902 938 390 969 958 1 13 80 120 <br /> I Benzene ND 10 104 107 328 111 101 9 53 80 120 <br /> Toluene ND 10 107 110 267 112 103 797 80 120 <br /> IEthylbenzene ND 10 111 113 173 113 107 5 24 80 120 <br /> Xylenes ND 30 113 113 0 110 107 3 08 80 120 <br /> I %SS 105 100 103 105 189 109 975 t12 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 /> I NONE <br /> lie <br /> i <br /> i <br /> I <br /> I <br /> I <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 /> 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—MSD)l(MS+MSD).2 <br /> *MS and l or MSD spike recoveries may not be near 100%or the RPDs near p%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked orb)if that specific sample matrix interferes with spike recovery <br />