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' 110 2nd Avenue South,#D7,Pacheco,CA 94553 5560 <br /> Mc ,ampbell Analytical Inc FTelepborie 925-798-1620 Fax 925 798-1622 <br />' h //www— bell cam F rival mam a bell Com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0308206 <br />' EPA Method SW8021B/8015Cm Extraction SW50306 BatchlD 8170 Spiked Sample ID N/A <br /> Sample Spiked MS" MSD" MS-MSD- LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg/L pg/L %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ N/A 60 N/A N/A NIA 107 105 149 70 130 <br />' MTBE N/A 10 N/A N/A N/A 106 103 3 15 70 130 <br /> Benzene N/A 10 N/A N/A NIA 112 108 3 15 70 I 130 <br /> Toluene N/A 10 N/A N/A N/A 104 101 255 70 130 <br />' Ethylbenzene N/A 10 N/A NIA N/A 110 110 0 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 100 100 0 70 130 <br />' %SS N/A 100 NIA N/A N/A 103 101 2 13 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 /> 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 Ccntrol Sample Duplicate RPD=Relative Percent <br /> I Deviation <br /> %Recovery=100`(MS-Sample)I(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 O%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 /> E TPH(btex)=sum of BTEX areas from the RD <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=riot enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte 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 /> anal a content <br />