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110 2nd Avenue South,#117,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> Z4 1 Website:www.mccampbell.com E-mail:main@rmcampbell.com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W.Q.Sample Matrix: Water QC Matrix: Water WorkOrder: 0502074 <br /> EPA Method: SW8260B Extraction: SW5030B BatchlD:14902 Spiked Sample ID: 0502054-002B <br /> Analyte <br /> Sample Spiked MS" MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng/L pg/L %Rec. %Rec. %RPD %Rec. %Rec- RPD MS/MSD LCS/LCSD <br /> tert-Amyl methyl ether(TAME) 0.5884 10 82.9 89.8 7.42 110 95.8 14.2 70- 130 70- 130 <br /> t-Butyl alcohol(TBA) ND 50 88.1 89.7 1.85 102 98.7 3.05 70-130 70-130 <br /> 1,2-Dibromoethane(EDB) ND 10 111 108 2.83 120 120 0 70-130 70-130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 103 104 0.848 116 H]] 4.58 70- 130 70-130 <br /> Diisopropyl ether(D1PE) ND 10 107 109 1.93 109 113 3.37 70- 130 l 70-130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 103 104 1.27 116 111 3.99 70-130 70-130 <br /> Methyl-t-butyl ether(MTBE) ND 10 97.1 98.4 1.27 115 107 7.08 70-130 70-130 <br /> %S51: 99 10 105 106 0.341 107 104 2.40 70- 130 70-130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RI,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)f((MS+MSD)12). <br /> `MS/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,of 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 /> Laboratory extraction solvents such as meth lene chloride and acetone may occasionally appear in the method blank at low levels. <br /> DHS Certification No. 1644 QA/QC Officer <br />