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m09 <br />819 Striker Avenue, Suite 8 <br />Sacramento, CA 95834 <br />(916) 921-9600 <br />FAX (916) 921-0100 <br />www.sequoialabs.com <br />Kleinfelder - Stockton Project: Granite Burnpile <br />2825 East Myrtle Street Project Number: 20-1108-33 Reported: <br />Stockton CA, 95205 Project Manager: Doug Heard 08/15/01 17:24 <br />Total Metals by EPA 6000/7000 Series Methods <br />Sequoia Analvtical - Sacramento <br />Reporting <br />analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br />24090 A,B & 24091 A,B (Composite) (5107413-01) Soil Sampled: 07/26/01 11:15 Received: U -//.j 1/ul 10:1 It <br />Mercury <br />0.11 <br />0.020 mg/kg 1 <br />1080142 <br />08/13/01 <br />08/14/01 <br />EPA 7471A <br />Antimony <br />ND <br />50 20 <br />1080056 <br />08/06/01 <br />08/08/01 <br />EPA 6010A <br />R-01 <br />Arsenic <br />ND <br />50 <br />R-01 <br />Barium <br />380 <br />50 <br />" <br />Beryllium <br />ND <br />5.0 <br />R-01 <br />Cadmium <br />ND <br />5.0 <br />R-01 <br />Chromium <br />31 <br />5.0 <br />Cobalt <br />ND <br />20 <br />R-01 <br />Copper <br />590 <br />5.0 " <br />Lead <br />590 <br />50 " <br />Molybdenum <br />ND <br />20 <br />„ <br />„ <br />R-01 <br />Nickel <br />44 <br />20 <br />" <br />Selenium <br />ND <br />50 <br />R-01 <br />Silver <br />ND <br />5.0 <br />R-01 <br />Thallium <br />ND <br />50 <br />R-01 <br />Vanadium <br />22 <br />20 <br />Zinc <br />740 <br />5.0 <br />" <br />24092 A,B & 24093 A,B (Composite) (5107413-02) Soil <br />Sampled: 07/26/0111:40 <br />Received: 07/31/0116:21 <br />Mercury <br />0.057 <br />0.020 mg/kg 1 <br />1080142 <br />08/13/01 <br />08/14/01 <br />EPA 7471A <br />Antimony <br />ND <br />10 4 <br />1080056 <br />08/06/01 <br />08/08/01 <br />EPA 6010A <br />R-01 <br />Arsenic <br />12 <br />10 <br />" <br />Barium <br />230 <br />10 <br />Beryllium <br />ND <br />1.0 <br />„ <br />" <br />R-01 <br />Cadmium <br />ND <br />1.0 <br />R-01 <br />Chromium <br />21 <br />1.0 <br />Cobalt <br />8.8 <br />4.0 <br />" <br />Copper <br />33 <br />1.0 <br />Lead <br />100 <br />10 " <br />Molybdenum <br />ND <br />4.0 <br />R-01 <br />Nickel <br />32 <br />4.0 <br />" <br />Selenium <br />ND <br />10 <br />R-01 <br />Silver <br />ND <br />1.0 <br />R-01 <br />Thallium <br />ND <br />10 <br />R-01 <br />Vanadium <br />25 <br />4.0 <br />Zinc <br />160 <br />1.0 <br />Sequoia Analytical - Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br />custody document. This analytical report must be reproduced in its entirety. <br />Page 4 of 20 <br />