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I <br /> 110 2nd Avenue South #1)7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> httpJ/www mccampbell com E-mail nam a mccamphcll com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W WorkOrder 0309526 <br /> EPA Method SW8021B/8015Crn Extraction SW5030B BatchlD 8825 Spiked Sample ID 0310083-001A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCS❑ Acceptance Criteria(%) <br /> I <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)e ND 60 100 103 224 104 102 187 70 130 <br /> E MTBE ND 10 100 966 3 43 996 102 205 70 130 <br /> Benzene ND 10 106 104 2 54 103 102 0 891 70 130 <br /> i Toluene ND 10 108 105 3 07 104 103 128 70 130 <br /> i V <br /> Ethylbenzene ND 10 110 l06 3 09 106 105 0 821 70 130 <br /> Xylenes ND 30 110 110 0 110 110 0 70 130 <br /> %SS 107 100 104 103 109 101 102 115 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 /> I <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)/(Amount Spiked) RPD=100'(MS—MSD)/(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 concenlrahons of <br /> analyte relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br /> • £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered 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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I <br />