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' 110 2nd Avenue South,PD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mceanipbell cam Email Taro inecampbell coin <br /> �• QC SUMMARY REPORT FOR SW8260B <br /> I <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0411222 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 13940 Spiked Sample ID 0411196-002A <br /> Analyte Sample Spiked MS' MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pgIL %Rec %Rec % RPD %Rec %Rec % RPD MS/MSD LCS 1 LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 88 1 906 284 899 90 0 190 70-130 70- 130 <br /> t-Butyl alcohol(TBA) ND 50 92 6 92 5 0 111 91 7 905 1 40 70-130 70-130 <br />' 1,2-Dibromoethane(EDB) ND 10 103 105 2 17 105 106 0 843 70- 130 70- 130 <br /> 1,2 Dichloroethane(1 2-DCA) ND 10 102 103 0 444 103 103 0 70- 130 70 130 <br />' Dnsopropyl ether(DIPE) ND 10 104 106 2 19 105 104 1 46 70-130 70- 130 <br /> Ethyl tent-butyl ether(ETBE) ND t0 103 105 222 105 105 0 70-130 70- 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 94 975 3 67 95 1 973 225 70- 130 70-130 <br /> °°SS1 103 10 49 99 0 98 100 1 79 70-130 70-130 <br />' All target compounds in the Method Blank ofthls extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br />' MS=Matrix Spike MSO=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)/((MS+MSD)/2) <br /> MS I MSD spike recoveries and I 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 matnx spike and matrix spike duplicate <br />' NR=analyle concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> LaboratoryextractiGn solvents such as meth ene chloride and acetone may occasionaflyaeUar in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br /> I <br />