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1 <br /> 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mecam bell cam E-mail mam@mccampbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder• 0309287 <br /> EPA Method SW8021Bl8015Grn Extraction SW50306 BatchlD 8546 Spiked Sample ID 0309287-015A <br /> Sample Spiked MS" MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' µglL pg/L % Rec % Rec %RPD % Rec %Rec %RPD Lovy High <br /> TPH(btex)£ ND 60 926 95 1 271 101 105 3 41 70 130 <br /> MTBE ND 10 993 105 541 103 92 114 70 130 <br /> Benzene ND 10 94 9 102 7 74 107 104 277 70 130 <br /> Toluene ND 10 974 103 556 986 96 2 62 70 130 <br /> Ethylbenzene ND 10 97 4 104 674 104 104 0 70 130 <br /> Xylenes ND 30 993 107 7 12 953 953 0 70 130 <br /> %SS 106 100 98 1 iDl 3 34 l05 103 1 54 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 /> 1 <br /> I <br /> MS=Ma <br /> Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <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%it 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 /> . £TPH(btex)=sum of BTEX areas from the FID <br /> I #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR W 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 /> anal a content <br />