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1 <br /> 110 2nd Avenue South,OD7,Pacheco,CA 94553-5560 <br /> MCCampbeli Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br />' http://www.inccainpbell.com E-mail:mainamccampbell,com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix:W WorkOrder: 0211025 <br />' EPAMethod: SW8021BI8015Cm Extraction: SW5030B BatchlD:4723 Spiked-Sample ID: N/A <br /> Sample Spiked MS* MSD" ;MS-MSD' LCS LCSD LCS-LCSDjAcceptance Criteria(°�) <br /> Compound- uglL-- ----.._....... -- <br />' I pg/L f % Rec. E %Rec. %RPD %Rec. %Rec. %RPD�i _Low High <br /> TPH(gas) N/A 60 N/A N/A N/A I 95.596.5 r 1.07 80 120 <br />' MTBE NIA ]0 NIA � NIA N/A � 83.7 81.3 i 2.97 .8124 — <br /> Benzene NIA 10 N/A N/A NIA 93.6 93.8 0.218 80 120 <br />' Toluene N/A 10 NIA —N/A N/A— 103 103 0.163 ' 80 120 — <br /> Ethylbenzene N/A 10 N/A NIA N/A 103 7 1 103 0.553 80 120 <br /> xylenes N/A 30 NIA NIA N/A 103 103 1 0 80 120 <br /> � 1 <br /> N/A 100 N/A N/A NIA 102 102 0.431 80 120 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions: <br />' NONE <br /> I MS=Matrix Spike;MSD=Matrix Spike Duplicate:LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Reia6ve Percent <br /> Deviation. <br /> . NIA=not enough sample to perform matrix spike and matrix spike duplicate. <br /> NR=analyte 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 <br /> analyte content. <br /> %Recovery=100*(MS-Sample)I(Amount Spiked):RPD=100•(MS—MSD)/(MS+MSD)*2. <br /> *MS and 1 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 />