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110 2nd Avenge Sonth hD7 P-icheco CA 9455; »60 <br /> Inc.McCampbell Analytical, Telephone 92-) 798 1620 Fw, 92, 79S 1622 <br /> WCbsite www ince,1mpbeli com E mast mnsn ainice nnpbell coin <br /> QC SUMMARY REPORT FOR SW826013 <br /> Matrix W WorkOrder 0409206 <br /> EPA Method SW82608 Extraction SW5030B BatchlD 13148 Spiked Sample ID 0449246-003B <br /> Analyte Sample Spiked MS' MSD' MS-MSD LCS L='%/. <br /> Acceptance Criteria(%) <br /> Wg/L Ng/L % Rec % Rec %RPD % Rec % Low High <br /> Methyl-t-butyl ether(MTBE) ND 10 105 ; 1 1 l 5 52 972 984 128 70 130 <br /> %SSI t04 10 101 103 l 68 993 97 6 1 78 70 130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method R1 with the tollowiag exceptions <br /> NON IF <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100.(MS- MSD)1((MS+MSD)/2) <br /> .MS 1 MSD spike recoveries and/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 samp4e to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sol!matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> . Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />