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II 10 2ud AVe1mc South #D7 Pacheco CA 94553 5560 <br /> McCamrbell Analytical Inc 'Telephone 925-798-1620 Fax 925-796-1622 <br /> http llwww mccampbell com E mad mom a mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0208344 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 3422 Spiked Sample ID NIA <br /> Sample 1 Spiked I MS' MSD" ;MS-MSD'I LCS LCSD LCS-LCSDIAcceptance Crltena(W <br /> Compound <br />' uglL pg/L 1 % Rec %Rec %RPD % Rec % Rec % RPD Low I High <br /> i <br /> 1,2-Drbromoethane(EDB) N/A 10 N/A N/A N/A 92 987 705 70 130 <br /> 1 2-Dichloroethane(1 2-DCA) NIA 10 NIA N/A i N/A 83 4 i 89 650 70 i 130 <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method RJ.with the following exceptions <br /> NONE <br /> 1 <br /> 1 <br /> y <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> N/A=not enough sampte to perform matrix spike and matrix spoke 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 matrix or <br /> analyte content <br /> %Recovery=100'(MSSample)/(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)'2 <br /> 'MS and!or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spoked or b)if that speck sample matrix interferes with spike recovery <br /> T _� <br />