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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> MXanipbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> ttttp://www Triccanipbell wm E-rmul rmm@rnccainpbelI com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0311247 <br /> EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 9381 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pgIL %Rec % Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ NIA 60 NIA NIA NIA 981 988 0 642 70 130 <br /> MTBE NIA 10 NIA NIA NIA 101 102 0 486 70 130 <br /> Benzene N/A 10 NIA N/A NIA 101 101 0 70 130 <br /> Toluene NIA 10 NIA NIA NIA 103 104 101 70 130 <br /> E,thylbenzene NIA 10 N/A N/A NIA 104 105 0 543 70 130 <br /> Xylenes NIA 30 NIA NIA NIA 107 107 0 70 130 <br /> I <br /> %SS NIA 100 N/A N/A NIA 103 103 0 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 /> lie <br /> 1 I <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked),RPD=100'(MS- MSD)1((MS+MSD)12) <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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> E TPH(blex)=sum of BTEX areas from the FID <br /> 0 cluttered chromatogram sample peak coelutes with surrogate peak <br />' NIA=not enough sample to perforin 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 matrix or <br /> anal4e content <br />