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110 2nd Avenue South #137 Pacheco CA 94553-5360 <br /> Inc.McCampbell Analytical, Telephone 925-798-16?0 Fax 925 798 1622 <br /> v Web511e ww„ mcs impbelI coin F mail maulrrme.e1mpbell coin <br /> . QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0409135 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 33055 Spiked Sample ID 0409135-014!3 <br /> Analyte Samplc. Spiked MS` MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> tert-Amyl methyl ether(t'AME) ND 10 844 851 0 928 768 75 7 1 48 70 130 <br /> t Butyl alcohol(TBA) ND 50 79 5 85 6 68 77 1 833 779 70 130 <br /> 1 2-Dibromoethane(EDB) ND 10 101 103 2 12 8t 4 899 1 71 70 130 <br /> 12-Dlchloroethane(1 2-DCA) ND 10 975 974 00330 88 87 8 0207 70 130 <br /> Dnsopropyl ether(D1PE) ND 10 118 119 l 17 106 106 0 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 98 1 995 l 38 89 1 87 7 1 53 70 130 <br /> Llc.tnvl-t-butyl ether(MTBE) ND l0 927 96 1 360 85 7 869 1 33 70 130 <br /> %SSI 74 8 10 98 100 1 79 99 976 1 48 70 130 <br /> All target compounds in the Method BI-ink of this extraction batch were ND less than the method RL with the tollowing eXLeptions <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) RPO=100'(MS- MSD)1((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�s <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 dupticate <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 />