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i <br /> 110 2nd Avenue South ilD7 Pacheco CA 94553-5560 <br /> F4 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br /> Ihttp/Iwww mccampbelt com E-mail mamQmccampbelt cum <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303506 <br />' EPA Method SW8021818015Cm Extraction SW50308 SatchlD 6359 Spiked Sample ID N/A <br /> Sample Spiked MS- MSD' MS-MSD-� LCS I LCSD LCS-LCSDIAcceptance Criteria(%) <br /> Compound —- ----- <br /> INg/L pg/L %Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 NIA N/A NIA 103 103 0 230 80 120 <br />' MTBE N/A 10 N/A N/A N/A 996 91 3 1 93 80 I T 120 <br /> Benzene NIA 10 N/A N/A N/A 92 935 157 80 i 120 <br /> Toluene N/A 10 N/A N/A N/A i 91 9 93 7 2 01 80 120 <br /> Ethylbenzene NIA 10 N/A NIA N/A 93 2 954 227 1 80 W 120 <br /> Xylenes N/A 30 N/A NIA NIA 95 99 —� 4122 80 120 — <br /> %SS NIA 100 N/A W N/A N/A 85 7 85 6 00793 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 /> I <br /> I <br /> 1 <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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />' analyte content <br /> %Recovery=10D*(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD)*2 <br /> *MS and/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 />' janalyte relative to the amount spiked orb if that specific sample rnatnx interferes with spike recove <br />