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GRANITE CONSTRUCTION 2033357622 06124/02 10:33am P. 013 <br /> 819 Striker Avenue,Suite 8 <br /> Sea <br /> y a Sacramento,CA 95834 <br /> l i a (9 t 6)921-9600 <br /> la)— <br /> FAX(916)921-0100 <br /> itwAnalyticvww`N-seQuoia(at�s.com <br /> Kleinfelder-Stockton Project: Granite Bumpile <br /> project Number: 20-1108-33 Reported: <br /> Proj <br /> 2825 East Myrtle Street <br /> Stockton CA,95205 Project Manager. Doug 1-leard 08/15/01 17:24 <br /> Total Metals by EPA 6000/7000 Series Methods <br /> Sequoia Analytical-Sacramento <br /> Reporting <br /> Analy4e Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> 24090 A,B&24091 A,B(Composite)(5107413-01)Soil Sampled:07/26/01 11:15 Received:07/31/01 1:6:21 <br /> Mercury 0.11 0.020 mg/kg l 1080142 08/13/01 08/14/01 EPA 7471A <br /> Antimony ND 50 20 1080056 08/06/01 08/08/01 EPA 6010A R-01 <br /> Arsenic ND 50 <br /> p R^Ul <br /> 50 <br /> 380 " « " <br /> Barium « <br /> Beryllium " R-Oi <br /> � ND 5.0 " <br /> Cadmium ND 5.0 " R-01 <br /> Chromium 31 5.0 <br /> Cobalt ND 20 R-01 <br /> Copper 590 5.0 " « <br /> Lead 590 50 <br /> " W " R-Oi <br /> Molybdenum ND 20 « « « « « <br /> Nickel 44 20 <br /> Selenium ND 50 " <br /> ND 5.0 « R-0I <br /> Silver <br /> Thallium ND 50 R-01" " <br /> W p p « W <br /> Vanadium 22 20 <br /> Zinc <br /> 740 5.0 <br /> 24092 A,B&24093 A,B(Composite)(S107413-02)Soil Sampled:07/26/01 11:40 Received:07131/0116:21 <br /> Mercury0.057 0.020 mg/kg 1 1080142 08/13/01 08/14/01 EPA 7471A <br /> ND 10 4 1080056 08/06/01 08/08/01 EPA 6010A R-0I <br /> Antimony <br /> 1 <br /> Arsenic 12 10 p « « <br /> Barium 230 10 <br /> Beryllium ND 1.0 " " d R-01 <br /> R-01 <br /> Cadmium ND 1.0 " <br /> Chromium <br /> 21 1.0 <br /> Cobalt 8.8 4.0 <br /> Copper 33 1.0 <br /> 10 <br /> 100 " " " . <br /> Lead « R-01 <br /> Molybdenum ND 4.0 <br /> Nickel 32 4.0 <br /> R-01 <br /> Selenium ND 10 " <br /> Silver ND 1.0 " " R-01 <br /> R-Ol <br /> Thallium ND 10 <br /> Vanadium 25 4.0 <br /> Zinc <br /> 160 1.0 " <br /> 77:e results in this report apply to the samples analyzed in accordance with the chain of <br /> Sequoia Analytical-Sacramento <br /> custody document 77tis analytical report must be reproduced in its entirety. <br /> Page 4 of 20 <br />