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1 i 110 2nd Avenue South #D7,Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925 798-1622 <br /> ' http llwww mccampbell com E-mad inaln@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0211138 <br /> ' EPA Method SW8021 BI8015Cm Extraction SW5030B BatchlD 4827 Spiked Sample ID NIA <br /> Sample + Spiked I MS` MSD` �MS-MSD" LCS LCSD LCS-LCSDlAcceptance Criteria(%) <br /> Compound --- ---- ---- - - - -- -- --- --- — <br /> pg1L lig/L %Rec %Rec % RPO %Rec %Rec %RPD Low - High <br /> ' TPH(gas) NIA 60 N/A ' N/A NIA ; 102 105 ; 251 80 120 <br /> ' MTBE NIA 10 N/A NIA— NIA- 883 895 133 80 120 <br /> Benzene NIA 10 NIA NIA NIA ! 873 883 1 19 + 80 120 <br /> Toluene NIA 10 N!A NIA NIA 93 95 5 2 65 i 80� 120 <br /> ' Ethylbenzene - -NIA 10 NIA i- NIA - NIA 94 1- -- 93 116 80 120 <br /> Xylenes N/A 30 NIA NIA 1 N/A 95 95 0 80 120 <br /> ' %SS N/A 100 NIA NIA NIA -88 2 - 903 227 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 /> I 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 /> . <br /> 111A=not enough sample to perform matnx 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)1(Amount Spiked) RPD=100•(MS--MSD)1(MS+MSD)'2 <br /> 'MS and I or MSD spike recavenes may not be near 100°A or the RPD8 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 />