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1102nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925 798 1622 <br /> Website www mccarripbell com E mail mam@mccampbell corn <br /> i <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0505059 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 16119 Spiked Sample ID 0505059-001C <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> pg/L. pg1L %Rec %Rec %RPD %Rec % Rec %RPD YMS/MSD LCS/LCSD <br /> tert Amy]methyl ether(TAME) ND 10 102 101 0 168 972 996 2 53 70- 130 I 70- 130 <br /> t-Butyl alcohol(TBA) ND 50 871 868 0 354 925 91 9 0 714 70-130 70- 130 <br /> 1_2 Dichloroethane(I 2-DCA) ND 10 116 117 0 61 1 116 114 I 1 16 70- 130 1 70- ]30 <br /> Methyl-t-butyl ether(MTBE) ND 10 110 112 I 1 22 108 109 0 513 70- 130 1 70- 130 <br /> %SSI 92 10 99 101 1 48 100 100 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 /> BAT H 16119 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0505059-OOIC 5104/05 10 30 AM 5/05105 5105/05 3 53 PM <br /> MS=Matrix Spike MSO=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br /> MS 1 MSD spike recoveries and 1 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 analyte 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=anatyle 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 analyte content <br /> 11 nboralory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 —QA/QC Officer <br />