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110 2nd Avenue South $fD7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephonc 925 798-1620 Pax 925 798-1622 <br /> Website ahvw mccamphell corn C-mail niamCa;wi ampbell coni <br /> QC SUMMARY REPORT FOR S'W8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0509641 s <br /> EPA Method SW8260B Extractlon SW5030B BatchlD 18276 Spiked Sample ID 0509641-00313 <br /> Analyte Sample Spiked MST MSD MS-MSD LCS LCSD `LCS-LCSD Acceptance Catena(°�) <br /> pglL pglL %Rec I %°Rec %RPD % Rec %Rec %RPD MS 1 MSD LCS/LCSD Y <br /> Methyl-t-butyl ether(MTBE) ND 10 106 108 1 74 109 108 0 243 70-130 70- 130 <br /> %SSI 99 10 100 101 0 933 102 1 99 j 271 70-130 70 130 <br /> All target compounds to the Method Blank of this extraction batLh were ND less than the method RL with the fnllowtng exceptions <br /> NONE <br /> BATCH 18275 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 10509641-001B 9128105 12 20 PM 1 0103/05 10/03/05 9 02 PM f 0599641 002B 9/28/05 12 37 PM 10/01/05 0101105 10 15 AM <br /> 0509641-003B 9128/05 1 00 PM 10/01/05 0101/05 10 58 AM <br /> MS=Matrix Spike MSD=Matrix Sp{ke Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> Recovery=100.(MS-Somple)1(Amount Spiked) RPD=100.(NIS MSD)!((MS+MSD)12) <br /> MS f MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance crlter{a due to one or more of the following reasons a)the sample Is Inhomogenous AND <br /> contains significant concentrations of analyte relahve to the amount spiked or b)the spiked samples matrix Interferes with the spike recovery <br /> N/A=not enough sample to perform matrix spike and matnx 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 analyse content <br /> I&O"'tory extraction solvents such as methylene chloride and acetone may oocaslonally appear in the method blank at low levels <br /> DHS Certification No 1644 c/►�' QA/QC Officer <br />