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' 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> MCCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http I/www mccampbcll com E-mail mn©mccampbell corn <br /> QC SUMMARY REPORT FOR SW80211B/8015Cm <br /> BatchlD 2747 Matrix W WorkOrder 0207022 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B Ext Date 7102102 Spiked Sample ID WA <br /> Sample Spiked MS' MSD` MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound — <br /> ' pg/L pg/L % Rec %Rec %RPD % Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 104 104 043 80 120 <br /> ' MTBE N/A 10 N/A N/A N/A 191 100 111 80 120 <br /> Benzene N/A 10 N/A N/A N/A 107 106 076 80 120 <br /> Toluene N/A 10 N/A N/A NIA 108 109 056 80 120 <br /> ' Ethylbenzene NIA 10 N/A N/A N/A 109 109 0 059 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 107 110 3 1 80 120 <br /> %SS N/A 10 N/A N/A N/A 102 101 1 1 80 120 <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 /> N/A=not enough sample to perform matnx spike,or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MS-Sample)I(Amount Spiked),RPD=100.(MS—MSD)/(MS+MSD)"2 <br /> ' .MS and/or MSD spike recovenes may not be near 100%or their RPDs near 0%it a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br />