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' i l 10 2nd Avenue South ffD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> w rM http Hwww mccampbell corn E-mail main@mecampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W Workofder 0210536 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 4685 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD" MS-MSD-1 LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound — <br /> 1-19/1- pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TPH(gas) NIA 60 N/A N/A N/A 104 114 927 80 120 <br /> MTBE NIA 10 N/A N/A NIA 104 118 13 1 80 120 <br /> Benzene N/A 10 N/A N/A N/A 986 113 13 6 80 120 <br /> Toluene N/A 10 N/A N/A N/A 95 7 111 15 2 80 120 <br /> Ethylbenzene N/A 10 N/A N/A N/A 101 114 12 2 80 120 <br /> Xylenes N/A 30 N/A N/A NIA 967 107 984 80 120 <br />' %SS N/A 100 N/A N/A _ N/A 103 117 129 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 /> r• <br /> MS=Matnx Splke 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 matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100•(MS-Sample)/(Amount Spiked),RPD=100'(MS–MSD)/(MS+MSD)`2 <br /> `MS and 1 or MSD spike recoveries may not he 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 s ike recovery <br />