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Alpha Analytical, Inc. <br /> 255 Glendale Ave. a Suite 21 •Sparks,Nevada 89431-5778 <br /> (775)355-1044 •(775)355-0406 FAX• 1-800-283-1183 <br /> ANALYTICAL REPORT <br /> CH2M HILL Attn: Roger Lucich <br /> 690 Walnut Ave Suite 230 Phone: (707) 562-1015 <br /> Vallejo, CA 94592 Fax: (510)622-9120 <br /> Date Received :06/06/08 <br /> .lob#: 166749.H 1.04 <br /> Metals by ICPMS <br /> EPA Method SW6020/SW6020A <br /> ' Parameter Concentration Reporting Date Date <br /> Limit Sampled Analyzed <br /> ('lien)ID: tDW-HRS4MM <br /> ' Iab 1D: CHN08060609-OIA Beryllium(Be) ND 1.0 mg/Kg 06/05/08 06/09/08 <br /> Vanadium(V) 13 1.0 mg/Kg 06/05/08 06/09/08 <br /> Chromium(Cr) 9.3 1.0 mg/KS 06/05/08 06/09/08 <br /> ' <br /> Cobalt(Co) 31 1.0 mg/Kg 06/05/08 06/09/08 <br /> Nickel(Ni) 12 2.0 mg/Kg 06/05/08 06/09/08 <br /> copper(Cu) 3.6 2.0 mg/Kg 06/05/08 06/09/08 <br /> Zinc(Zn) ND 20 mg/Kg 06/05/09 06/09/08 <br /> ' Arsenic(As) 1.9 1.0 mg/Kg 06/05/08 06/09/08 <br /> Selenium(Se) ND 1.0 mg/Kg 06/05/08 06109/08 <br /> Molybdenum(Mo) ND 1.0 mg/KS 06/05/08 06/09/08 <br /> Silva(Ag) ND 1.0 mg/Kg 06/05/08 06/09/08 <br /> Cadmium(Cd) ND 1.0 mg/Kg 06/05/08 06/09/08 <br /> Antimony(Sb) ND 1.0 mg/Kg 06/05/08 06/09/08 <br /> Barium(Ba) 31 1.0 mg/Kg 06/05/08 06/09/08 <br /> Mercury(Hg) ND 0.20 mg/Kg 06/05/08 06/09/08 <br /> Thallium(73) ND 1.0 mg/Kg 06/05/08 06/09/08 <br /> Lead(Pb) 2.2 1.0 mglKg 06/05108 06/09/08 <br /> Sample results were calculated on a wet weight basis. <br /> ND=Not Detected <br /> Rqa L Scinr.Pb.D.Laboraory Mum••Rady Ga*a.laboraory Maaaga• •Waker HuxM .Qu.9iry A„uraruc Ofr a <br /> Sammemo.CA•(916)366.90a9/Lm Vew.NV.Q02)7367522 i udoQi�alphu-arulytiaal cum <br /> ' illdtu AluMical.Inc cuneadylnld,appropriateand availableC.Ilfbmiata 19)and NELAC(01 IUCA)cenifimi for Ou,daara rtM TM results retac ur,lylo rcponcd, 1u 19/08 <br /> Report Date <br /> ' 166749.HI.04 Page l of <br />