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CALTECH' <br />L: ivironme ta. 1 Labora[:ories <br />R <br />�,ii I l 12s,;;s:�.i �i7�, ���nii�•, I',ii•,iiii+�iiii�, � � �1i17' +•� I•I(, <br />('t:la,l9ilojIt: t f,2} ;12•:.70f) <br />QA/QC Report <br />Method: 8260B <br />Matrix: Water . <br />Date Analyzed: 7/2212009 <br />Date Extracted: 7122/2008 <br />Perimeters <br />d. <br />Conc. <br />MS <br />u <br />MSD <br />Spike <br />Added <br />Recove <br />MS <br />% <br />MSD <br />Control <br />Rec. <br />Limits <br />RPD <br />RPD <br />1,1-Dichloroethane <br />45 <br />46 <br />50 <br />90 <br />92 <br />70-130 <br />20 <br />2 <br />Benzene <br />52 <br />50 <br />50 <br />104 <br />100 <br />70-130 <br />20 <br />4 <br />Trichloroethene <br />48 <br />46 <br />50 <br />96 <br />92 <br />70-130 <br />20 <br />4 <br />Toluene 1. 1 <br />53di50 <br />u JL <br />1 <br />106 <br />102 <br />70-130 <br />20 <br />4 <br />Chiorobenzene <br />47 <br />1 <br />50 <br />94 <br />90 <br />70-130 <br />20 <br />4 <br />'m, -X lenes <br />94 <br />Eth (benzene <br />100 <br />94 <br />90 <br />.70-130 <br />20 <br />4 <br />t - <br />fk t <br />MS: Matrix Spike <br />MSD: Matrix Spike Duplicate <br />RPD: Relative Percent Difference of MS and MSD <br />A <br />Perimeters <br />`I <br />Method <br />Blank <br />Units <br />Det. <br />Limit <br />1,1-Dichloroethene <br />ND <br />/L <br />1 <br />Benzene <br />ND <br />ug/l- <br />0.5 <br />Trichloroethene <br />ND <br />ugIL0.5 <br />Toluene <br />ND <br />u L <br />0.5 <br />Chlorobenzene <br />ND <br />u L <br />0.5 <br />m,' X lenes <br />ND <br />u 1L <br />0.6 . <br />MTBE <br />ND <br />u L <br />1 <br />TSA <br />ND <br />u L <br />10 <br />DIRE <br />ND <br />u JL <br />1 <br />ET:BE <br />ND <br />u IL <br />1 <br />TAME <br />ND <br />u /L <br />1 <br />1,2-Dichloroethane <br />ND <br />u 1L <br />0.5 <br />EDB <br />ND <br />u IL <br />0.5 <br />Eth (benzene <br />ND <br />a iL <br />0.5 <br />o -X lene <br />ND <br />u IL <br />0.6 <br />TOE <br />ND <br />u /L <br />1 <br />PCE <br />ND <br />u JL <br />1 <br />'I'O"IAI I.1' OF1'1i.A11;Ii to t`i' It,) 1i 1 SAI IS.1—A..'I ION) <br />