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Page 1 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 /> ANALYTICAL LABORATORY REPORT <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 Samplel's are digested with 1: 1 HNO3 (and 30% H202 , and 1: 1 HCl, <br /> Procedure: if applicable) over a hot plate. Digests are cooled, filtered <br /> EPA-SW 846 and ma�e to final volume with deionized H2O. Metal analysis of <br /> the di ests is by ICPAES (EPA #6010B) . Units are mg/kg. <br /> Method: 3050Bifor solids; 3010A for liquids; 3005A for clean water. <br /> HML Number: 011313 011394 011395 011396 011397 <br /> Collector ' s <br /> Sample No. : SB01 SB02 SB03 SB04 SB05 <br /> Sample Type: BUFF WHEEL P BUMPER POW M BUMPER POW GRINDING D S GRIT <br /> As-Arsenic <5 . 00 <5 . 00 <5 . 00 <5 . 00 <5 . 00 <br /> Ba-Barium 10 . 3 4520 681 25. 2 82 . 6 <br /> Be-Beryllium <0 . 25 <0 . 25 <0 . 25 1. 50 <0. 25 <br /> Cd-Cadmium <0. 50 0 . 77 <6 . 25 <0 . 50 <0. 50 <br /> Co-Cobalt 7 . 84 11. 3 306 <2 . 50 <2 . 50 <br /> Cr-Chromium 29 . 0 52 . 8 312 8 . 64 <4 . 00 <br /> Cu-Copper 2070 310 44700 96 . 8 73 . 6 <br /> Mo-Molybdenum <5 . 00 8 . 59 <5 . 00 <5 . 00 <5. 00 <br /> Ni-Nickel 5670 2060 191000 74 . 6 232 <br /> Pb-Lead 12 . 7 28 . 3 230 <5 . 00 <5 . 00 <br /> Se-Selenium <7 . 50 <7 . 50 <7 . 50 <7 . 50 <7 . 50 <br /> Tl-Thallium <10. 0 <10. 0 <10 . 0 <10. 0 <10. 0 <br /> V-Vanadium <3 . 00 12 . 9 <37 . 5 <3 . 00 <3 . 00 <br /> Zn-Zinc 379 1970 6140 687 58 . 5 <br /> Notes: < = below dete tion limit of method. <br /> ICP khal , ' Date Chemist' s Signature /Date <br /> Merlyn e zman Fatima Hussain <br /> /za S z <br /> Mil a S. Iskander, Su ervisor Date <br />