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. u <br /> Submission: 2004-10-0539 <br /> y <br /> LUFT 5 Metals <br /> ACC Environmental Consultants <br /> Attn.: Ed Giacometti <br /> 7977 Capwell Drive,Suite 100 <br /> Oakland, CA 94621 <br /> Phone:(510)638-8400 Fax: (510)638-8404 <br /> Project: 6674-004.00 Received: 10/18/200413:40 <br /> 6970 West Lane <br /> Batch QC Report <br /> Prep(s): 30508 Test(s):601013 <br /> Matrix Spike(MS/MSD) Soil QC Batch#2004/10/18-06.15 <br /> MS/MSD Lab ID: 2004-10-0529-001 <br /> MS: 2004/10/18-06.15-044 Extracted:10/18/2004 Analyzed: 10/20/200415:29 <br /> Dilution: 1.00 <br /> MSD: 2004/10/18-06.15-047 Extracted:10/18/2004 Analyzed: 10/20/200415:43 <br /> Dilution: 1.00 <br /> Compound Conc. MOA Spk Level Recove % Limits% Fla s <br /> MS MSD Sample MS MSD RPD Rec. RPD MS MSD <br /> Cadmium 65.9 65.5 ND 96.2 68.5 66.8 2.5 75-125 20 <br /> Chromium 113 112 49.5 96.2 66.0 63.8 3.4 75-125 20 <br /> Lead 463 473 277 96.2 193.3 200.0 3.4 75-125 20 <br /> Nickel 114 112 51.7 96.2 64.8 61.5 5.2 75-125 20 <br /> Zinc 176 163 98.0 96.2 81.1 66.3 20.1 75-125 120 <br /> Sevem Trent Laboratories, Inc. 10/25/200416:06 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A W OMa Trwd rt Tel 925 484 1919 Fax 925 484 1096`www.stl-inc.com"CA DHS ELAP#2496 Page 7 of 8 <br />