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110 2nd Avenue South,1lD7,Pacheco,CA 94553-5560 <br /> A# McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> httpWwww.mccampbell.com E-mail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021R/8015Cm <br /> Matrix:W WorkOrder: 0209417 <br /> EPA Method: SW8021 BI8015Cm Extraction: SW5030B WOO:4143 Spiked Sample ID: 0209417-001A <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> }rglL pgIL % Rec. % Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(gas) ND 60 97.9 101 3.27 lot 101 0.297 80 120 <br /> MTBE ND 10 87.2 85.2 2.28 95.1 97.6 2.62 80 120 <br /> Benzene ND 10 96.4 99.9 3.57 92.7 95.4 2.91 80 120 <br /> Toluene ND t0 100 106 5.32 95.6 98.3 2.80 80 120 <br /> Ethylbenzene ND 10 102 107 4.73 95.1 99.7 4.75 80 120 <br /> Xylenes ND 30 103 Ito 6.25 100 100 0 80 120 <br /> %SS: 104 100 98 98.9 0.905 98.3 89.6 1.50 80 120 <br /> Ail 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=Matrix Spike;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 matrix spike duplicate. <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 /> %Recovery=loo*(MS-Sample)I(Amount Spiked);RPD=100'(MS—MSD)I(MS+MSD)*2. <br /> *MS and I 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)it that specific sample matrix interferes with s ike recovery. <br />