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I <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://www.mccampbell.com E-Me;mainrrmccamp6ell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix:A WorkOrder: 0208327 <br /> EPA Method: SW8021 B18015Cm Extraction: SW5030B BatchlD:3574 Spiked Sample ID: N/A <br /> Compound Sample Spiked MS MSD MS-MSD- LCS LCSD LC5 LCSD Acceptance Criteria(/o) <br /> ' <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(gas) NIA 60 N/A NIA NIA 87.1 93.7 7.39 80 120 <br /> MTBE N/A 10 N/A N/A N/A 80.2 80.6 0.502' 80 120 <br /> Benzene NIA 10 NIA N/A N/A 87 86.4 0.769, 80 120 <br /> Toluene NIA 10 N/A NIA NIA 91.693.4 1.95 80 120 <br /> Ethylbenzene NIA 10 N/A N/A N/A 95.8 95.9 0.1081 80 120 <br /> Xylenes NIA 30 N/A NIA N/A 95 95 0 i' 80' 120 <br /> °/aSS: NIA 100 N/A NIA NIA 999 lOfl 0.492: 80 120 <br /> All target compounds in the Method Blanc of this extraction batch were ND less than the method RL with,the following exceptions: <br /> NONE . <br /> i� <br /> 'i <br /> L <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation, <br /> t NIA=not enough sample to perform matrix spike and matrix spike duplicate. i <br /> * NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content. <br /> i %Recovery=100.(MS-Sample)!(Amount Spiked);RPD=100.(MS—MSD)I(MS+MSD)'2. <br /> MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%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 /> I <br />