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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 /> http I/www mcmmpbell corn E-mail mam a mccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0301169 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5627 Spiked Sample ID NIA <br /> Sample Spiked MS" I MSD" MS-MSD' LCS. LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound --- <br /> ug/L pg/L %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(gas) NIA 60 N/A NIA NIA 104 109 504 80 120 <br />' MTBE NIA 10 NIA N/A NIA 895 _ 959 685 80 120 <br /> Benzene N/A 10 N/A NIA N/A 102 993 245 80 120 <br /> Toluene NIA 10 N/A N/A N/A 104 110 576 80 120 <br />' £thylbenzene NIA 10 NIA NIA NIA 989 101 255 80 120 <br /> Xylenes N/A 30 N/A NIA N/A 103 103 0 80 120 <br />' %SS N/A 100 NIA N/A N/A 91 3 985 762 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 /> Devtation <br /> NIA=not enough sample to perform 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 />' 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 amount spiked orb)if that specific sample matrix interferes with spike reeove <br />