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alscience <br /> Environmental Quality Control - Laboratory Control Sample . <br /> aboratories, Inc. 1. <br /> 4 <br /> Kiff Analytical Date Received: N/A <br /> 2795 2nd Street, Suite 300 Work Order No: 04-11-0493 <br /> Davis, CA 95616-6593 Preparation: EPA 30508 <br /> Method: EPA 60108 <br /> Project: 2575 Country Club Blvd., Stockton <br /> Quality Control Sample ID Mew Instrument Date Analysed Lab Rle ID LCS Batch Number <br /> Conc AddedCoM Recovered J&9%Rss %Rac CLQualam <br /> Antimony 50.0 46.6 93 80-120 <br /> Arsenic 50.0 46.2 96 80-120 <br /> Barium 50.0 52.3 105 80-120 <br /> Beryllium 50.0 47.6 95 80-120 <br /> Cadmium 50.0 50.0 100 80-120 <br /> Chromium(Total) 50.0 50.5 101 80-120 <br /> Cobalt 50.0 52.1 104 80-120 <br /> Copper 50.0 49.9 100 80-120 <br /> Lead 50.0 48.5 97 80-120 <br /> Molybdenum 50.0 49.2 98 80-120 <br /> Nickel 50.0 51.1 102 80-120 <br /> Selenium 50.0 45.4 91 80-120 <br /> Silver 25.0 24.3 97 80-120 <br /> Thallium 50.0 50.3 101 80-120 <br /> Vanaditun 50.0 49.3 99 80-120 <br /> Zinc 50.0 50.1 100 80-120 <br /> RPD-Re�tive Para=sol Dil►erertce. CL-Contrd Lknk <br /> 7440 Lincoln Way.Garden Grove,CA 92841-1427 TEL:(714)895-5494 . FAX:(714)894-7501 <br />