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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 /> hnpJlwww mccampbell corn E-mail maxlr@mccainpbell com <br /> • QC SUMMARY REPORT FOR SW8021B/801SCm <br /> Matrix W WorkOrder 0303023 <br /> EPA Method SW80218/8015Cm Extraction SW503013 BatchlD 6056 Spiked Sample ID N/A <br /> Sample Spiked MS" MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> pg/L pg/L %Rec %Rec %RPD I %Rec %Rec %RPD Low High <br /> TPH(gas) NIA 60 N/A N/A NIA 112 101 104 80 120 <br /> MTBE N/A t0 N/A N/A N/A 873 839 398 80 120 <br /> Benzene N/A 10 N/A NIA N/A 114 111 264 80 120 <br /> Toluene NIA t0 NIA N/A N/A 110 106 3 51 80 120 <br /> Ethylbenzene N/A 10 N/A N/A NIA 118 116 142 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 120 113 571 80 120 <br /> %SS N/A 100 N/A N/A N/A 111 108 278 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 /> MS= atrixSpike 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 matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water rnatnx or sample diluted due to high matrix or <br /> analyte content. <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100"(MS—MSD)/(MS+MSD)"2 <br /> MS and I 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 orb if that speck sample matrix interferes with spike recovery <br />