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I <br /> 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br />' http//www mccEMbell com E mail main@rmcLnNbell corn <br /> • QC SUMMARY REPORT FOR SW8021B18015Cm <br /> 1 <br /> Matrix W WorkOrder 0212065 <br />' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 5170 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Ree %Rec %RPD %Ree % Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A NIA N/A 118 112 568 80 120 <br />' MTBE N/A 10 N/A N/A N/A 945 949 0 408 80 120 <br /> Benzene N/A 10 NIA NIA NIA 104 101 322 80 120 <br />' Toluene N/A 10 N/A N/A N/A 108 106 247 80 120 <br /> Ethylbenzene N/A 10 NIA NIA N/A 105 103 238 80 120 <br /> Xylenes N/A 30 NIA N/A N/A 110 110 0 80 120 <br />' %SS N/A 100 N/A NIA N/A 881 871 120 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 MSO=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 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/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 /> anal a relative to the amounts ,ked orb if that s fc sample matnx interferes with s ike recoveiy <br />