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110 2nd Avenue South,qD7,Pacheco,CA 94553-5560 <br /> I <br /> McCampbell Analytical, nC. Telephone:925-798-1620 Fes:925-79&1622 <br /> Website:www.mccampbcll.com E-mail:main@Nnccampbeil.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix: S WorkOrder: 0409242 <br /> EPA Method: SW8021B/8015Cm Extraction: SW5030B BatchlD:13156 Spiked Sample ID: 0409204-097A <br /> r_ <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analytemg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(btex)f NO 0.60 94.8 95.9 1.13 118 96.4 20.3 70 130 <br /> - I <br /> MTBE ND 0.10 83.6 86.9 3.91 99.7 96.9 2.85 70 130 <br /> r Benzene ND 0.10 99.6 101 1.03 116 97.5 17.2 70 130 <br /> Toluene ND 0.10 80.5 82.1 1.94 107 82.1 26.7 70 130 <br /> ` Ethylbenzene ND 0.10 101 102 1.50 118 97 19.3 70 130 <br /> Xylenes ND 0.30 89.7 90 0.371 110 85.7 24.9 70 130 <br /> -/.SS: 89.6 0.10 104 104 0 110 102 7.69 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 /> r <br /> I. <br /> r <br /> r <br /> r <br /> r <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100•(MS- MSD)/((MS:MSO)/2). <br /> ` 'MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> £TPH(btex)=sum of BTEX areas from the FID. <br /> an If cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> N/A=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 /> 6. janalyte content. <br /> DHS Certification No. 1644 QA/QC Officer <br />