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i <br /> 110 2nd Avenue South tfD7 Pacheco CA 90.553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798 1622 <br /> IWebsite www mccampbell com E-mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0412541 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 14504 Spiked Sample ID 0412541-019C <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pgIL Nglt % Rec % Rec % RPD % Rec % Rec % RPD MS I MSD LCS I LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 838 874 432 83 9 83 1 10 70-130 70-130 <br />' t-Butyl alcohol(TBA) ND 50 91 875 393 843 845 0 261 70- 130 70-130 <br /> 1,2-Drbromoethane(EDB) ND 10 112 1 115 286 102 101 0 971 70-130 70-130 <br /> 1,2-Dschloroethane(1,2-DCA) ND 10 107 109 1 43 112 111 136 70- 130 70-130 <br />' Dnsopropyl ether(DIPS) ND 10 115 116 1 26 116 116 0 70- 130 70-130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 995 993 0202 110 105 4 15 70-130 70-130 <br />' Methyl-t-butyl ether(MTBE) ND 10 102 104 200 945 92 2 245 70-130 70-130 <br /> %SSI 104 10 100 100 0 98 96 266 70- 130 70-130 <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method AL with the following exceptions <br /> NONE <br /> 1 <br />' MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS Sample)I(Amount Spiked) RPD=100*(MS- MSD)I((MS+MSD)1 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 /> NIA=not enough sample to perform matrix spike and matrix 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 <br /> analyte content <br /> t-aborato exiracUon solvents such as meth ene chloride and acetone ma occasional) a ear m the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />