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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical? Telephone 925-799-1620 Fax 925-798 1627 <br /> sF websrie www mccampbell com E-mail mam@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0505059 <br /> EPA Method SW8260B Extraction SW50308 BatchlD 16119 Spiked Sample ID 0505059-001C <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> NglL llglL %Rec %Rec % RPD % Rec %Rec % RPD MS!MSD LCS/LCSD <br /> ten-Amyl methyl ether(TAME) ND 10 10— 2 1 lot 0 16$ 972 996 2 53 70- 130 70- 130 <br /> t-Butyl alcohol(TBA) ND 50 87 1 1 868 0 354 925 91 9 0 714 70-130 70- €30 <br /> Methyl t-butyl ether(MTBE) ND t0 110 112 1 22 108 109 0 513 70- 130 70- 130 <br /> %SSI 92 10 99 101 1 4$ 100 100 0 70- 130 70- 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> BATCH 16119 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0505059-002C 5/04/05 It 30 AM 5106105 5106105 3 59 AM 0505059-0030 5104105 11 05 AM 5106105 5/06/05 8 36 AM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS Sample)I(Amount Spiked) RPD=100'(MS- MSD)!((MS+MSD)!2) <br /> MS 1 MSD spike recoveries and!or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is inhomogenous AND <br /> contains significant concentrations of analyse relative to the amount spiked or b)the spiked sample s matrix interferes with the spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anatyte 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 /> –iLaboratory extraction solvents such as methyiene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 /C. QA/QC Officer <br />