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1 fiesapeake Drive <br /> l <br /> Sequoia' Redwood City,CA 9� (650)364-9600 FAX(650 364-9 <br /> ® 404)1.Wi et Lane } , 233 <br /> � Walnut Creek,CA 94598 (925)988-9600 FAX(925)9g8-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX{916)92'1-0100 <br /> Analytical 1455 McDowellBlvd. North,Ste.0 ' Petaluma,CA 94954 1551 Industrial Road (707)792-1865 FAX(707)792.0342 <br /> San CCarlos.CA 94070-41 1-! (650)232-9600 FAX(650)232-9612 <br /> Pinnacle-C.P. Project: ARCO,5469,.Stockton CA Sampled: 211 3199 <br /> 3939 Cambridge Road, Ste. 220 Project Number: N/A <br /> {Cameron Park,CA 95682 Received: 2/12/99 <br /> Project Manager: Mark Capps Reported: 3/l/99 <br /> Total Metals by EPA 6000/7000 Series'Methods/Qualify Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample Es QC Reporting Limit Rv" RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov. Limits -Co. Limit % Notes* <br /> Balch: Date pre aced 2/16/94 Extractign <br /> Dl 9_Q20179-Rf.Kt elhad FPA 3050R <br /> 'Lead 2/17/99 - ND mg/kg 2.50 <br /> Lead 2/17/99 50.0 47.8 mg/kg 80.0-120 95"6 <br /> M;itrix Spike 3 9 20179-MS1 5902038-02 <br /> Lead 2/17/99 50.0 4.53 51.7 mg/kg 80.0-120 '94.3. <br /> Matrix Spike VU 95UQ179_MSDI 512038-02 <br /> Lead 2/17/99 50.0 4.53 5:1..1 mg/kg$ g 80.0-120 93.1 20.0 - 1.28 <br /> i <br /> i. <br /> acquoia Analytica�l7-Sacramento/ f *Refer to end of report for text of notes and definitions. <br /> x . <br />.onald W. Bobel,Client Services Representative <br /> " Page 13 of l5 <br /> s E. h <br />