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Sequoia 819 Striker Avenue,Suite <br /> Sacramento,CA 958344 <br /> (916)921-9600 <br /> Analytical FAX(916)921-0100 <br /> 1T Group-Rancho Cordova Project: Tosco#4409,Stockton,CA Sampled: 612199 <br /> Received: 6/3199 <br /> 11315 Sunrise Gold Circle#A Project Number: N/A <br /> Rancho Cordova,CA 95 <br /> 742 Project Mana er: Mike Mitchener Reported: 6123199 <br /> Total Metals by EPA 6000/7000 Series Methods/Quality Conical` <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte <br /> Ana] d Level Result Result Units Recov.Limits % Limit % Notes• <br /> ze <br /> vxtraction Method, EPA 3050 <br /> Batch: 9060083 <br /> Date Prrpared: 6/7/99 <br /> 151anii 9060083-BLK1 <br /> Lead 618/99 ND mg/kg 2.50 <br /> iz� 9060083_BSl <br /> Lead 618/99 50.0 45.9 mg/kg 80.0-120 91.8 <br /> Matrix,Spike <br /> EL 0 1LMSl S906051-06 <br /> Lead 6/8199 50.0 ND 51.5 mg/kg 80.0-120 103 D <br /> Matrix Spike Dun 9060083-MSD1 S906052-06 <br /> Lead 6/8/99 50.0 ND 49.0 mg/kg 80.0-120 98.0 20.0 4.9$ D <br /> Sequoia Analytical-Sacramento "Refer to end of report for text of notes and definitions. <br /> 9 f1 <br /> Pageo 0 <br />