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' 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> Mccampbell Analytical Inc Telephone 925-798-1620 rax 925-798-1622 <br /> http//wwwmcrampbeJlcorn E-mail mmu@mccampbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0307420 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 7947 Spiked Sample 10 0307425-013A <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng/L pg/L %Rec %Rec % RPU %Rec %Rec %RPD Low ; High <br /> TPH(btex)E ND 60 108 109 0448 107 107 0 70 130 <br /> MTBE ND 10 100 102 173 102 975 4 12 70 130 <br /> Benzene ND 10 997 100 0 780 103 103 0 70 130 <br /> Toluene ND 10 93 3 941 0 882 996 975 2 12 70 130 <br /> ' Ethylbernzene ND 10 101 102 162 104 104 0 70 130 <br /> Xylenes ND 30 95 953 0 350 96 96 0 70 130 <br /> %SS 101 100 988 982 0 620 996 99 1 0 547 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> ' NONE <br /> i <br /> lie <br /> I <br /> i <br /> i <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD T Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)!(MS+MSD)*2 <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 /> I <br /> £TPH(btex)=sum of BTE:X areas from the FID <br /> ' #cluttered chromatogram sample peak coelutes with surrogate peak <br /> I � <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anaryte 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 i <br /> analyte content <br />