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n i 110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> EA:#:N4cCarnpbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> htip Nwww mccampbell cam E mal mamPmccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0306526 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 7498 Spiked Sample ID 0306502-D10A <br /> Sample Spiked MS" MSD* IMS-MSD- LCS LCSD I,LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec % RPD % Rec % Rec %RPD Low High <br /> TPI-i(btex)> ND 60 103 994 393 108 995 902 70 130 <br /> MTBE ND 10 916 91 3 0 351 991 92 744 70 130 <br /> Benzene ND 10 896 87 9 191 882 994 1 44 70 130 <br /> Toluene ND 10 95 5 949 0 612 100 957 460 70 130 <br /> Ethylbenzene ND 10 103 101 1 78 102 102 0 70 130 <br /> Xylenes ND 30 103 100 3 28 103 107 3 17 70 130 <br /> 0/oSS 103 100 101 101 0 100 99 0 938 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)1(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and 1 or MSD spike recoveries may not be near 100%or the RP Ds near 0%it 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 /> £TPH(btex)=sum of BTEX areas from the FID <br /> #Guttered 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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br />