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alscience <br /> _nvironmental Quality Control - Laboratory Control Sample �. <br /> aboratories, Inc. r s= <br /> Kiff Analytical Date Received: NIA <br /> 2795 2nd Street, Suite 300 Work Order No: 04-11-1395 <br /> Davis, CA 95616-6593 Preparation: EPA 3050B <br /> Method: EPA 6010E <br /> Project: 3011 West Benjamin Holt Drive, Stockton, CA <br /> Quality Control Sample ID Matra Instrument Date Analyzed Lab File ID LCS Batch Number <br /> 0'97-01-002 5;963- rl1d .ICP 330�k k41?4104. 141123-�-CI3; <br /> tI41123C 03 <br /> Parameter Conc Added Conc Recovered LCS%Rec %Rec CL ualifie <br /> Cadmium 50.0 49.1 98 80-120 <br /> Chromium(Total) 50.0 48.5 97 80-120 <br /> Lead 50.0 48.7 97 80-120 <br /> Nickel 50.0 48.9 98 80-120 <br /> Zinc 50.0 49.4 99 80-120 <br /> RPD-Relative Percent Difference , CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 TEL:(714} 895-5494 EAX: {714} 894-7501 <br />