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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> WCampbell Analytical Inc Telephone 925-79s 1620 Fax 925-7981622 <br /> http 1/www mccampbell cam E marl i-m(n mccamplell com <br /> i QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0302225 <br /> EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 5928 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound — — -- - <br /> pg/L. pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low , High <br /> I PH(gas) N/A 60 N/A N/A NIA 994 994 000679 70 130 <br /> MTBE _ NIA 10 N/A N/A N/A 922 91 5 0 710 70 130 <br /> Benzene NIA 10 N/A NIA NIA 924 921 0 342 70 130 <br /> Toluene N/A 10 N/A N/A N/A 943 953 1 03 70 130 <br /> Ethylhenzene N/A 10 NIA NIA N/A 93 6 95 6 206 70 130 <br /> XC lenes - N/A 30 N/A N/A N/A 993 100 0 669 70 130 <br /> %SS N/A 100 N/A N/A N/A 86 863 0336 80 120 <br /> Ail target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <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 and matrix spike duplicate <br /> NR=analyte concentration m 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)/(Amount Spiked) RPD=100'(MS-MSO)I(MS+MSD)"2 <br /> "MS and/or MSD spike recoveries may not be near 100%or the RPD9 near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)of that specific sample matrix interferes with spike recovery <br />