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110 2nd Averrue South,ND7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Tclvhone 925-798-1620 Fax 925-798-1622 <br /> httpllwww mccampbell cam E-mail main@inccampbell coon <br /> QC SUMMARY REPORT FOR SW8021B/801SCm <br /> Matrix S Work0rder 0209316 <br /> EPA Method SW8021 B18015Cm Extraction SW50306 BatchlD 4053 Spiked Sample ID NIA <br /> Compound Sample Spiked MS" MSD` MS-MSD` 1-CS LCSD LCS-LCSD Acceptance Criteria(9b) <br /> Im9/K9 mg/K9 %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 060 NIA N/A NIA 110 110 0061.7 80 120 <br /> I MTBE N/A 010 N/A N/A N/A 1935 939 0 485 80 120 <br /> Benzene NIA 010 NIA WA N/A 98 3 984 00554 80 120 <br /> Toluene NIA 010 N/A N/A N/A 102 103 0 684 80 120 <br /> Ethylbenzene N/A 010 N/A NIA N/A 103 102 102 80 120 <br /> Xylenes NIA 0 30 N/A N/A NIA 103 103 0 80 120 <br /> °/SS N/A 100 N/A N/A I N/A 933 95 4 230 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 /> NONE <br /> I <br /> MS=Matrix Spike,MSD=Matnx Spike Duplicate LCS=LaboratoryControl Sample LCSD=Laboratory Control Sample Dupficate,RPD=Relative Per cent <br /> Deviation <br /> IA=not enough sample to Perform matrix spike and matrix spike duplicate <br /> R=analyte concentration in sample exceeds spike amount for sod mahtx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix ar <br />' analyte content <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS•MSD),2 <br /> MS and/or MSD spike recoveries may not be near 100%or the II near 0%it a)the sample is inhomogenous AND Contains significant concentrabons of <br /> an retatrve to the amount spiked or b)if that specific sa a Matra interferes with spke recovery <br />