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1 l0 2nd Avenue South ND7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798 1620 Fax 925 798 1622 <br /> Website www mecampbell corn E mail masn@mecampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W 0 Sample Matrix Water QC Matrix Water WorkOrder 0411153 <br /> EPA Method SW82606 Extraction SW5030B SatchlD 13899 Spiked Sample ID 0411142-012C <br /> Analyte Sample Spiked MS` MSD' MS-MSD" LCS LCSD LCS_LCSD Acceptance Criteria (%) <br /> pglL pg1L % Rec %Rec %RPD %Rec %Rec %RPD MS 1 MSD LCS/LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 838 847 1 08 813 81 l 0 309 70- 130 70-130 <br /> t-Butyl alcohol(TBA) ND 50 95 944 0611 90 4 896 0 895 70- t30 70-130 <br /> Dtlsopropyl ether(DIPS) ND 10 101 103 224 97 9 973 0 592 70- 130 70- 130 <br /> Ethyl Cert-butyl ether(ETBE) ND 10 102 104 1 30 997 978 l 85 70- 130 ! 70- 130 <br /> Methyl-t-hutyl ether(MTBE) ND 10 — 100 100 0 100 97 310 70 130 f 70-130 <br /> %SSI 88 10 99 too 0 647 96 96 0 70- 130 70-130 <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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> Recovery=100'(MS Sample)/(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br /> MS I 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 <br /> inhomogenous AND 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 /> I <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 /> li_aboratoN extraction solvents such as methyiene chloride and acetone may occas;onally appear in the method blank at low levels <br /> A/QC Officer <br /> DHS Certification No 1644 <br />