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110 2nd Avenuc South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798 1622 <br /> -tr i Website www mccampbell corn E mail main&wcampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Soil QC Matnx Sod WorkOrder 0508296 <br /> EPA Method SW826013 Extraction SW5030B BatchlD 17598 Spiked Sample ID 0508276-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/kg mg/kg %Rec %Rec %RPD %Rec % Rec %RPD MS/MSD LCS/LCSD <br /> tert Amyl methyl ether(TAME) ND 0 050 104 104 0 104 102 1 66 70- 130 70- 130 <br /> t-Butyl alcohol(TBA) ND 025 92 1 894 299 966 I 986 203 70- 130 ; 70- 130 <br /> 1,2-Dibromoethane(EDB) ND 0 050 975 984 0 927 99 94 521 70- 130 70- 130 <br /> 1 2-Dichloroethane(1 2-DCA) ND 0 050 113 112 102 110 107 252 70- 130 70- 130 <br /> Dnsopropyl ether(DIPS) ND 0 050 119 118 0 668 118 118 0 70-130 i 70- 130 <br /> Ethyl tert-butyl ether(E7 BE) ND 0 050 107 107 0 107 105 1 37 70- 130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND 0 050 105 106 1 11 106 102 417 70- 130 70- 130 <br /> %SS 1 97 0 050 113 111 160 108 104 368 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 /> BATCH 17598 SUMMARY <br /> k5( <br /> mple tD Date Sampled Dale Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 8296-003A 8115105 10 20 AM 8/17/05 8/18105 5 52 PM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> Recovery=100•(MS-Sample)/(Amount Spiked) RPD=100.(MS- MSD)I QMS+MSD)12) j <br /> MS I MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance cntena due to one or more of the following reasons a)the sample is inhomogenous <br /> 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 matnx or analyte <br /> Watertent <br /> y <br /> extraction solvents such as meth ene chlonde and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />