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110 2nd Aven ,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytics c. Telephone: 798-1620 Fax:925-798-1622 <br /> http://www.mer-ampbell.com E-mail:main@,n1ccampbclLcom <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix: S WorkOrder: 0307539 <br /> EPA Method: SW8021 B18015Cm Extraction: SW5030B BatchlD:8034 Spiked Sample ID: 0307533-014A <br /> ' Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(btex)£ ND 0.60 108 107 132 107 105 1.93 70 130 <br /> MTBE ND 0.1090.8f92.2 <br /> 1.96 86.9 84.7 2.60 70 130 <br /> Benzene ND 0.10 90.7 1.66 91.5 87.7 4.27 70 130 <br /> Toluene ND 0.10 91.6 1.48 92.7 88.9 4.11 70 130 <br /> Ethylbenzene ND 0.10 92.5 93.2 0.741 93 89.7 3.57 70 130 <br /> Xylenes ND 0.30 95 95 0 95.3 94 1.41 70 t30 <br /> %SS: 79.0 100 79.9 78.3 1 2.01 81.3 75.1 '7.94 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 /> I <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)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)if that specific sample matrix interferes with spike recovery. <br /> E TPH(btex)=sum of BTEX areas from the FID. <br /> llcluttered chromatogram;sample peak coelutes with surrogate peak. <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 />