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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 /> I http Ilwww mccampbell coin Erman mam@nccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W WorkOrder 0209079 <br /> EPA Methad SW8021 B/8015Cm Extraction SW5030B BatchlD 3847 Spiked Sample ID `N/A <br /> Compound <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' -----� - <br /> pg1L NgIL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 855 908 606 80 120 <br />' MTBE NIA 10 N/A NIA NIA 847 845 0 145 80 120 <br /> Benzene N/A 10 N/A NIA N/A 87 9 85 6 2 64 80 120 <br />' Toluene N/A 10 NIA NIA N/A 945 918 2 87 80 120 <br /> Ethylbenzene NIA 10 N/A N/A N/A 956 944 1 20 80 120 <br /> Xylenes N/A 30 N/A NIA N/A 95 947 0351 80 120 <br />' %SS N/A 100 NIA N/A NIA 999 98 187 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 /> 1 <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matnx 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•(M5—MSD)I(MS+MSD)`2 <br /> MS and/or MSD spike recoveries may not be near 10096 or the RPDs near 0%if a)the sample is inhomogenous AND contains significant Concentrations of <br />' analyte relative to the amount spiked orb if that specific sample matrix interferes with spike recove <br />