Laserfiche WebLink
SEQUOlkANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 '! <br /> (415) 364-9600 FAX (415) 364-9233 �f <br /> i <br /> ::Waterwark Client Project ID: #490,Thorpe /Weber Aver 4 <br /> 1710 Main Street <br /> Escalon, CA 95320 i <br /> :Attention: Bill Channell QC Sample Grou • 1041933-1934 h <br /> i :. <br /> P P Reported: Apr 25, 1991 <br /> } <br /> .......x;:::x .v..• :.:ter.r':.�:.�.�:.�:.�:.�:::.:- <br /> ._:._:::..�.. <br /> :::n�::.�::.::...:>:<:::v::::.w:r::: <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE �i� ;, <br /> Lead I+ <br /> J <br /> t , <br /> Method: EPA 7421 !? <br /> Analyst: N.Herrera <br /> Reporting Units: mg/kg it11 <br /> Date Analyzed: Apr 17, 1991 3 <br /> QC Sample#: 104-03W <br /> Il ,� <br /> Sample Cone.. 0.023 # <br /> ' <br /> Spike Cone. i <br /> Added: 0.20 { <br /> n . Matrix <br /> tri c a Ix <br /> ! s <br /> t <br /> Spike: 0.19 <br /> Matrix Spike �' s <br /> % Recovery: 84 f <br /> Cone. Matrix <br /> Spike Dup.: 0.20 <br /> a <br />,Ih t � <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 89 <br /> Relative <br /> %Difference: 5.1 <br /> i# I� <br /> S Q OIA ANALYTIC Recovery: Conc.of M.S.-,Cone.of Sample x 100 <br /> Spike Corte,Added <br /> If I' <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> ! EI' abeth . Hack] (Cone.of M.S. + Conc.of M.S.D.)J 2 A, <br /> P oject Manager 1041931.WAT <7> , <br />