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• • 1455 McDowell Blvd,Nonh Ste D <br /> 94954 <br /> Sequoia Peal(707) A-1865 <br /> (707)792-1865 <br /> Analytical FAX(707)792-0342 <br /> www.sequoialabs.wm <br /> MACTEC E&C-Petaluma Projwt:General Commercial P412379 <br /> 5341 Old Redwood Highway,Suite 300 Project Number.Sears/Tmcy-UST/AST-3205040383.02 Reported: <br /> Ol/OS/OS 10:53 <br /> Petaluma CA,94954 Project Manager.Gary Lieberman <br /> Total Metals by EPA 6000/7000 Series Methods <br /> Sequoia Analytical-Petaluma <br /> Repotting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> 0452SS001(P412379-01)Soil Sampled:12/21/04 13:45 Received: 12122104 09:20 <br /> Mercury 0.016 0.016 mg/kg 1 4120470 12/27/04 12/28/04 EPA7471A <br /> Antimony ND 4.5 4120476 12/27/04 12/27/04 EPA 6010B <br /> Arsenic 9.2 7.5 " <br /> 11 <br /> Barium 180 0.75 <br /> Beryllium 0.46 0.075 <br /> Cadmium ND 0.75 " <br /> Chromium 28 0.75 " <br /> Cobalt 10 0.52 <br /> Copper 28 1.5 <br /> Lead 6.5 5.6 <br /> Molybdenum ND 1.5 <br /> Nickel 35 2.2 <br /> Selenium ND 7.5 <br /> Silver ND 0.52 " <br /> Thallium ND 7.5 <br /> Vanadium 35 0.75 <br /> Zinc 48 1.5 <br /> 0452SS003(P412379-02)Sob Sampled:12/21/04 14:05 Received: 12/22/04 09:20 <br /> eMercury 0.047 0.017 mg/kg 1 4120470 12/27/04 12/28/04 EPA 7471A <br /> Antimony ND 4.8 4120476 12/27/04 12/27/04 EPA 60108 <br /> Arsenic ND 8.1 " <br /> Barium 100 0.81 <br /> Beryllium 0.20 0.081 " <br /> Cadmium ND 0.81 " <br /> Chromium 18 0.81 " <br /> Cobalt 6.9 0.56 <br /> Copper 20 L6 <br /> Lead ND 6.0 „ <br /> Molybdenum ND 1.6 <br /> Nickel 21 2.4 <br /> Selenium ND 8.1 „ <br /> Silver ND 0.56 " <br /> Thallium ND 8.1 <br /> Vanadium 20 0.81 <br /> Zinc 44 1.6 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document.Unless otherwise stated,results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> Page 5 of 46 <br />