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Page 2 Of 2 <br /> California Environme tal Protection Agency HML #: 011393 to <br /> Department of Toxic ubstances Control 011398 <br /> Hazardous Materials aboratory (Inorganic Section) <br /> 2151 Berkeley Way, B rkeley, CA 94704 <br /> Phone: (510) 540-300 or (ATSS) 571-3003 <br /> Collector's Name: LE VALDEZ Auth. No. : HMR4763 <br /> Site of Sampling: ST CKTON BUMPER Activity : SCD <br /> 632 S ELDORADO Date Collected: 6/7/02 <br /> ST CKTON, 95203 Date Received: 7/10/02 <br /> Analytical Sampl s are digested with 1: 1 HNO3 (and 30% H2O2 , and 1: 1 HCl, <br /> Procedure: if ap licable) over a hot plate. Digests are cooled, filtered <br /> EPA-SW 846 and m de to final volume with deionized H2O. Metal analysis of <br /> the di ests is by ICPAES (EPA #6010B) . Units are mg/kg. <br /> Method: 3050B for solids; 3010A for liquids; 3005A for clean water. <br /> HML Number: 011398 <br /> Collector's <br /> Sample No. : SB06 <br /> Sample Type: MUD/ ATER <br /> As-Arsenic <5. 00 <br /> Ba-Barium 724 <br /> Be-Beryllium <0. 25 <br /> Cd-Cadmium 1. 49 <br /> Co-Cobalt 22 .7 <br /> Cr-Chromium 54 . 1 <br /> Cu-Copper 1660 <br /> Mo-Molybdenum <5. 00 <br /> Ni-Nickel 8660 <br /> Pb-Lead 37 .7 <br /> Se-Selenium <7. 50 <br /> T1-Thallium <10. 0 <br /> V-Vanadium 10. 0 <br /> Zn-Zinc 614 <br /> Notes: < = below detection limit of method. <br /> ICPnalys Date Chemist's Signature Date <br /> Merlyn zman Fatima Hussain <br /> /,2CId 2 <br /> Mi ad S. kande , Su ervisor Date <br />