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Cambria Environmental <br />580 Chesapeake Drive <br />Redwood City, C '4063 <br />(650) 364-9600 <br />FAX (650) 3649233 <br />Sequoia <br />(i)Analytical <br />`,404 N. Wiser Lane <br />Walnut Creek, Cv45% <br />(925) 988-9600 <br />FAX (925) %8-%73 <br />Aubrey Cool Reported: <br />819 Striker Avenue, Suite 8 <br />Sacramento, CA 95834 <br />(916) 921-9600 <br />FAX (916) 921-0100 <br />80.0-120 <br />1455 McDowell Blvd. North. Ste. D <br />Petaluma, CA 94954 <br />(707) 792-1865 <br />FAX (707) 792-0342 <br />VO <br />1551 Industrial Road <br />San Carlos, CA 94070-4111 <br />(650) 232-9600 <br />FAX (650) 232-9612 <br />Cambria Environmental <br />Project: <br />EQUILON, 1313 E. Charter Way, Stockton, CA Sampled: <br />4/29/99 <br />270 Perkins Street <br />Project Number: <br />N/A Received: <br />4/29/99 <br />Sonoma, CA 95476 <br />Project Manager: <br />Aubrey Cool Reported: <br />5/4, 7/99 <br />Total Metals by EPA,6000/7000 Series Methods/Quality Control <br />Sequoia Analytical - Sacramento <br />Date Spike Sample QC Reporting Limit Recov. RPD RPD <br />Analyte Analyzed Level Result Result Units Recov. Limits % Limit % Notes* <br />Batch: 9050003 Date Prepared: 5/3/99 Extraction Method: EPA 3050B <br />Blank 9050003-BLKI <br />Lead 5/3/99 ND mg/kg 2.50 <br />LLS. 9050003-BS1 <br />Lead 5/3/99 50.0 48.0 mg/kg 80.0-120 96.0 <br />Lead <br />5/3/99 <br />50.0 <br />12.7 <br />54.8 <br />mg/kg <br />80.0-120 <br />84.2 <br />D <br />Matrix Spike DU <br />Lead <br />9050003-MSD1 <br />5/3/99 <br />S904402-14 <br />50.0 <br />12.7 <br />65.0 <br />mg/kg <br />80.0-120 <br />105 20.0 <br />22.0 2,D <br />Sequoia Analytical - Sacramento *Refer to end of report for text of notes and definitions. <br />n�f'J, -Y/7n z 4-;, Y� ) <br />Sandra R. Hanson, Client Services Representative Page 13 of 15 <br />49 <br />