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�f�/'����j 1455 McDowell Blvd North Ste D <br /> -V"" Petaluma, 79 94954 <br /> -1865 <br /> Sequoia (707)792-1865 <br /> iWAWAnalytical w.sequ7ialabs om <br /> Analytical FAX <br /> 792-0342 <br /> w <br /> MACTEC E&C-Petaluma Project General Commercial P412379 <br /> Project Number:Sears/Tracy UST/AST-3205040383.02 Reported: <br /> Petaluma <br /> Old Redwood Highway,Suite 300 Pro y <br /> Petaluma CA,94954 Project Manager:Gary Lieberman 01/05/05 10:53 <br /> Total Metals by EPA 6000/7000 Series Methods <br /> Sequoia Analytical-Petaluma <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> 0452SS004(P412379-03)Soil Sampled: 12/21/04 15:20 Received: 12/22/04 09:20 <br /> Mercury <br /> 0.040 0.017 mg/kg 1 4120470 12/27/04 12/28/04 EPA 7471A <br /> Antimony ND 5.3 4120476 12127/04 12/27/04 EPA 6010B <br /> Arsenic ND 8.8 „ <br /> Barium 90 0.88 <br /> Beryllium 0.15 0.088 „ <br /> Cadmium ND 0.88 <br /> Chromium 7.6 0.88 " <br /> Cobalt 5.9 0.61 " <br /> Copper 8.5 1.8 „ <br /> Lead ND 6.6 <br /> Molybdenum ND 1.8 " <br /> Nickel 9.4 2.6 , <br /> Selenium ND 8.8 <br /> Silver ND 0.61 " <br /> Thallium ND 8.8 " <br /> Vanadium 15 0.88 " <br /> Zinc 16 1.8 " <br /> 0452SS002(P412379-04)Soil Sampled: 12/21/04 15:55 Received: 12/22/04 09:20 <br /> Mercury 0.018 0.018 mg/kg 1 4120470 12/27/04 12/28/04 EPA 7471A <br /> Antimony ND 5.7 4120476 12/27/04 12/27/04 EPA 6010B <br /> Arsenic ND 9.4 ,. <br /> Barium 480 0.94 <br /> Beryllium 0.39 0.094 <br /> Cadmium ND 0.94 <br /> Chromium 26 0.94 <br /> Cobalt 8.8 0.66 " <br /> Copper 29 1.9 <br /> Lead <br /> ND 7.1 " <br /> Molybdenum NO 1.9 <br /> Nickel 30 2.8 <br /> Selenium ND 9.4 " <br /> Silver ND 0.66 " <br /> Thallium ND 9.4 <br /> Vanadium 32 0.94 „ <br /> Zinc 50 1.9 " <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 6 of 46 <br />