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110 2nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hapPwww mccamphell com E-mail mam@mccampbeli coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0211395 <br /> ' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 5034 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Crtterla(%) <br /> ' Compound , <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 NIA N/A N/A 112 101 104 80 120 <br /> ' MTBE N/A 10 N/A N/A N/A 975 91 7 6 17 80 —_ 120 - <br /> Benzene N/A 10 NIA N/A NIA 103 923 113 80 120 <br /> Toluene N/A 10 N/A N/A N/A 107 935 13 8 80 120 <br /> Ethylbenzene NIA 10 NIA N/A N/A 107 92 6 145 80 120 <br /> Xylenes N/A 30 NIA N/A N/A 110 953 143 80 120 <br /> %SS N/A 100 N/A N/A NIA 904 876 315 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 /> ' 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 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)I(MS+MSD)*2 <br /> *MS and I 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 amountspiked or b)if that specific sample matrix interferes with spike recovery <br />