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Inc. 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, ITelephone:925-798-1620 Fax:925-798-1622 <br /> Website:www.mccampbell.com E-mail:main@mccampbell.com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> W.O.Sample Matrix: Water QC Matrix: Water WorkOrder: 0501265 <br /> EPA Method: SW8260B Extraction: SW5030B BatchlD:14746 Spiked Sample ID: 0501269-0078 <br /> Analyte Sample Spiked MS* MSD" MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec. %Rec. %RPD %o Rec. %Rec. %RPD MS/MSD LCS/LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 89 90.2 1.32 91 93.6 2.83 70-130 70-130 <br /> ' t-Butyl alcohol(TBA) ND 50 97.6 97.8 0.184 98.7 96.5 2.29 70-130 70-130 <br /> 1,2-Dibromoethane(EDB) ND 10 115 117 1.64 117 117 0 70-130 70-130 <br /> ' 1,2-Dichloroethane(1,2-DCA) ND 10 102 102 0 105 106 0.917 70-131 70-130 <br /> Diisopropyl ether(DIPE) ND 10 104 105 0.768 109 111 1.16 70-130 70-130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 104 103 0.240 107 107 0 70-130 70-130 <br /> ' Methyl-t-butyl ether(MTBE) ND 10 98.5 98.9 0.384 99.4 101 2.12 70-130 70-130 <br /> %SSI: 103 10 101 100 0.310 100 100 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)/2). <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,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 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 methylene chloride and acetone may occasionally appear in the method blank at low levels. <br /> DHS Certification No. 1644 QA/QC Officer <br />