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L� <br /> 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, Telephone 925 798 1620 Fax 925 798 1622 <br /> Website www mccampbell corn E mail mam a mccamphell cam <br /> QC SUMMARY REPORT FOR E218.6 <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0504049 <br /> EPA Method E218 6 Extraction E218 6 BatchlD 15754 Spiked Sample ID 0504049-002a <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%} <br /> Analyte <br /> piglL p1gIL % Rec % Rec % RPD % Rec % Rec %RPD MS I MSD LCS 1 LCSD <br /> Hexachi ome 064 25 932 945 137 927 92 9 0 215 90- 1 10 90- 110 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> BATCH 15754 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0504049 002A 4105105 4105105 4112105 0504049 003A 4105105 4105105 —4/12105� <br /> 0504049-004A 4105105 4105105 4!12!05 0504049-007A 4105/05 4105!05 4/12/05 <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((MS+MSD)12) <br /> MS!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 inhomogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matnx interferes with the spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike dupiicate <br /> NR=anal a concenirato00 m sem le exceeds s ike amount for soil matrix or exceeds 2x s ike amount for water matnx or sem le diluted due to hi h-air' <br /> or anal a�qonlenlHSCertification No 1644 QAIQC O <br />