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SeP, 20. 2005 3. 38PM Adv,nced GeoInv i rows ental ,; No. 2234 ° 5 <br /> CALTECH Enviropme.ntal Laboratories <br /> 6814 RosecrZns Avenue, Par.Irr OU11t. CA 90.723 1 0146 <br /> Telephone: (562)27277700 I'ax° (567)272=2785' <br /> QA/QC Report I <br /> Method: 8260B <br /> I <br /> Matrix: Water <br /> Date Analyzed: 916105 <br /> Date Extracted: 916105 <br /> Perimeters Cone. uglL Spike R6covery % Control Limits RPD <br /> LCS LCSD Added T'�LGS LCSD _Y Rec,T RPD <br /> 1,1-Dichlorcethene 47 49 50 ; 94 98 1 70-130 20 4 <br /> Benzene 48 50 50, g6 100 70.130 20 4 <br /> Trichloroethene 48 48 50 46 96 70130 20 0 <br /> Toluene 54 55 S0 1108 110 70-130 20 2 <br /> F Chlorobenzene 48 48 50 96 t36 70-130 20 0 <br /> m, -X eves 109 106 �'a 100 109 106 70-130 20 3 <br /> LCS: Laboratory Control Standard <br /> i LCSD: Laboratory Control Standard Duplicate <br /> RPO: Relative Percent Difference of LCS and LCSD <br /> Perimeters Method units <br /> Blank :IiLimlt <br /> 1,1-Dichloroethene ND u IL 1 <br /> Benzene ND u 1L ,r 0.5 <br /> Trichloroethene ND u IL 0.5 <br /> Toluene ND ug!L 0.5 <br /> L Chlorobenzene ND uglL 0.5 <br /> m,p-Xylenes ND uglL 0.6 <br />[ MTHE ND u 1L 1; <br /> TBA ND u iL 10 <br /> DIPE ND u IL <br /> ETBE ND ug/L 1 '. <br /> TAME ND ug/L 1 <br /> 1,2-Dichloroethane ND ug/L 1! 0.5 <br /> EDB ND u IL 0.5 <br /> Ethylbenzene ND u IL 0,5 <br /> o-Xylene ND u IL 0:6 <br /> TOE ND u /L 1 <br /> PCE ND ' u IL 1 <br /> I! <br /> 'I'O'IAI,l.:v DF-J) 'jU' D 'i'0 CUSTOMER SAI"ISrA('.'T[()N <br />