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' 110 2nd Avenue South,kD7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone;925.798-1620 Fax:925-798-1622 <br />' http://www.mccampbell.com E-mail:main m uccamphell.rorn <br /> • QC SUMMARY REPORT FOR SW8021B18015Cm <br /> BatchlD:2262 Matrix:W WorkOrder: 0206031 <br />' EPA Method: SW8021 B/8015Cm Extraction: SW5030B Ext. Date: 6104/02 Spiked Sample ID: NIA <br /> Sample Spiked MS MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ' Ng/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 103 103 0.69 80 120 <br /> ' MTBE N/A 10 NIA N/A NIA 95.8 96.2 0.42 80 120 <br /> Benzene NIA 10 NIA N/A N/A 98.3 100 1.9 80 120 <br /> Toluene N/A 10 N/A NIA N/A 100 103 2.2 80 120 <br /> ' Ethylbenzene N/A 10 N/A NIA N/A 101 103 2.0 80 120 <br /> Xylenes NIA 30 N/A N/A N/A 100 103 3.3 80 120 <br /> ' %SS NIA 10 N/A N/A N/A 104 104 0.50 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 /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount. <br /> 100•(MS-Sample)! Amount Spiked);RPD=100• MS—MSD)J MS+MSD •2. <br /> ' /•Recovery= ( P ) ( ( ( ) <br /> MS and/or MSD spike recoveries may not be near 100%or their RPDs near 0%if.a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked,or b)it that specific sample matrix interferes with spike recovery. <br />