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=Websi.] <br /> 2nd Avenue South,#D7 Pacheco CA 94553 5560 r <br /> McCamnbell Anal tical Inc. elephone 9ipbell -1620 Fax 925-796 1622 <br /> Y Y www rrrccampbell com Email mom©n>ccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water OC Matrix Water WorkOrder 0412341 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 14348 Spiked Sample ID 0412335-0048 <br /> Sample Spiked MS' MSD* MS-MSD" LCS LCSDLCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> }rglL Ng1L %Rec %Rec % RPD %Rec %Rec -%/.RPD MS/MSD LCS 1 LCSD <br /> tent-Amyl methyl ether(TAME) ND 10 883 823 702 863 849 1 73 70- 130 70 l30 <br /> t-Butyl alcohol(TBA) ND 50 809 805 0 519 82 7 81 2 12 70- 130 70 130 <br />' Dusopropyl ether(DIPS) NDalo <br /> 122 117 432 119 119 0 70-130 70- 130 <br /> Ethyl tert-butyl ether(ETBE) ND110 105 494 107 106 0 400 70-130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND103 101 1 99 996 99 0 384 70-130 70-130 <br /> %S S 1 9899 101 1 29 96 97 136 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=too*(MS-Sample)/(Amount Spiked) RPD=100*(MS MSD)/((MS+MSD)/2) <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 /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> ' NR=analyte concentration m sample exceeds spike amount for soli matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> Laboratory extraction solvents such as methyiene chloride and acetone may occasionally appear in the method blank at low levels <br /> ' DHS Certification No 1644 QA/QC Officer <br />