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' 1102nd Avenae, .,PD7,PaOw--'CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-798-1620 Fan925-798-1622 <br /> http'// pWi com E-mail: a O n pbeg <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix:S WorkOrder: 0312132 <br /> EPA Method: SW8021B/8015Cm Extraction: SW5030B BatchID:9567 Spiked Sample ID: 0312123-002A <br /> Sample Spiked IVIS* MSD` MS-MSD LCS LCSD CS-LCSD AcceptanceCriteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(btex)c ND 0.60 106 109 2.45 109 116 5.97 70 130 <br /> MTBE 1.84 0.10 NR NR NR 105 112 6.30 70 130 <br /> Benzene ND 0.10 102 105 2.12 107 115 7.01 70 130 <br /> Toluene ND 0.10 87.4 89.7 2.53 91.1 98.1 7.34 70 130 <br /> Ethylbenzene ND 0.10 104 106 2.31 108 Ill 2.32 70 130 <br /> Xylenes ND 0.30. 95.3 99.7 4.44 96.7 100 3.39 70 130 <br /> 0/.SS: 96.2 100 103 103 0 104 113 8.29 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 /> 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+MSD)12). <br /> MS and/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 /> F TPH(btex)=sum of BTEX areas from the FID. <br /> N 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 /> analyte content. <br />