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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-1622 <br /> ' 24 Website www mccarm>pbell com E-mail main@mccarrpbell cum <br /> 0 QC SUMMARY REPORT FOR SW8260B <br /> 1 W O Sample Matrix Water QC Matrix Water WorkOrder- 0503163 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 15293 Spiked Sample ID 0503157-007C <br /> Analyte Sample Spiked MS* MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pglL pg1L %Rec %Rec %RPD %Rec %Rec %RPD M7O- <br /> LCS 1 LCSD <br /> ' 1,2-Dibromoethane(EBS) ND 10 120 119 0 365 114 115 0 990 70- 130 70-130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 103 996 298 987 101 241 70-130 <br /> ' %SS 1 91 10 103 102 0 415 102 103 1 07 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 15293 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0503163-020B 3/08/05 3112105 2 14 PM 3112105 2 14 PM0503163-021 B 3108105 3112105 2 56 PM 3112105 2 56 PM <br /> 0503163-022B 3/08/05 3/12105 3 40 PM 3112105 3 40 PM_ W <br /> 1 <br /> 1 <br /> 1 <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)1(Amount Spiked) RPD=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 followng 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 wth the spike recovery <br /> ' N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> Coanalyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content <br /> orato extraction solvents such as methyiene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />