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'TLC California Environmental Protection Agency HML # : 960778 to Department of Toxic Substances Control 960800 Hazardous Materials Laboratory (Inorganic Section) 2151 Berkeley Way, Berkeley, CA 94704 Phone: (510) 540-3003 or (ATSS) 571-3003 Collector's Name: NANCY LANCASTER Auth. No. : HMM3119 Site of Sampling: ADVANCED METAL PLATING Activity : SEB 4421 GIANNECHINI Date Collected: 1/24/97 STOCKTON Date Received: 1/27/97 Analytical Samples are digested with 1: 1 HNO3 (and 30% H202, and 1: 1 HCl, Procedure: if applicable) over a hot plate. Digests are cooled, filtered EPA-SW 846 and made to final volume with deionized H2O. Metal analysis of the digests is by ICPAES (EPA #6010) . Units are mg/kg. Method: 3050 for solids ; 3010 for liquids; 3005 for clean water. HML Number: 960778 960779 960780 960781 960782 Collector' s Sample No. : NKL001 NKL002 NKL003 NKL004 NKL005 Sample Type: LIQUID LIQUID LIQUID LIQUID SOLID As-Arsenic <0. 80 0.94 <0. 80 <0. 80 <2 . 00 Ba-Barium 1. 19 6. 96 2 . 08 1. 69 440 Be-Beryllium <0. 02 <0. 02 <0 . 02 <0. 02 <0 . 05 Cd-Cadmium <0 . 08 <0. 08 0. 30 <0. 08 1. 87 Co-Cobalt 2 . 47 1. 19 <0. 40 <0. 40 10. 1 Cr-Chromium 186 208 2 . 36 27 .7 964 Cu-Copper 8 . 08 <0. 20 >27600 >4800 1140 Mo-Molybdenum <0. 60 <0 . 60 <0 . 60 <0. 60 <1. 50 Ni-Nickel >5900 >2850 45. 4 221 >9640 Pb-Lead 10. 9 11. 4 <1. 00 1. 71 31. 4 Se-Selenium <1. 60 <1. 60 <1. 60 <1. 60 <4 . 00 T1-Thallium <3 . 00 <3 . 00 <3 . 00 <3 . 00 <7 .50 V-Vanadium <0. 50 <0. 50 <0. 50 <0 . 50 <1. 25 Zn-Zinc >2340 1340 132 95. 6 3320 Notes: < = below detection limit of method. > = beyond standard calibration curve; (to be confirmed; an additional report will follow) ICPI nalyst at emistIs Sigh�a ure Date Gur it . Sis _2//9/f 7 Milad S. Iskander, Supervisor Date TT� C-