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HU4. Laboratories, Inc. <br />0777 n.,,-hill nri,,a ctaamhnnt Sarinas. CO 80487(800) 334-5493 <br />Mount Royale Ventures, LLC ACZ Sample ID: L63514-10 <br />Project ID: Date Sampled: 06127107 13:30 <br />Sample ID: 0070627-CG Date Received: 06128107 <br />Sample Matrix: Surface Water <br />Metals Analysis <br /> <br />dissolved <br />Arsenic M200.8 ICP-MS U mg/L 0.0005 0.001 07/02/07 20:36 jr <br />, <br />dissolved <br />Cadmium M200.8 ICP-MS 0.0055 mg/L 0.0001 0.0005 07/02/07 20:36 jjr <br />, <br />dissolved <br />Chromium M200.8 ICP-MS U mg/L 0.0001 0.0005 07/02/07 20:36 jr <br />, <br />dissolved <br />Copper M200.8 ICP-MS 0.0053 mg/L 0.0005 0.003 07/02107 20:36 jir <br />, <br />dissolved <br />iron M200.7 ICP U mg/L 0.02 0.05 07/12/07 16:51 djt <br />, <br />dissolved <br />Lead M200.8 ICP-MS U mg/L 0.0001 0.0005 07/02/07 20:36 jjr <br />, <br />Magnesium, dissolved M200.7 ICP 25.4 mg/L 0.2 1 07/12/07 16:51 djt <br />dissolved <br />Manganese M200.7 ICP 0.042 mg/L 0.005 0.03 07/11/07 13:58 djt <br />, <br />dissolved <br />Nickel M200.7 ICP 0.03 B mg/L 0.01 0.05 07/11/07 13:58 djt <br />, <br />dissolved <br />Silver M200.8 ICP-MS U mg/L 5E-05 0.0003 07/02/07 20:36 jjr <br />, <br />Zinc, dissolved M200.8 ICP-MS 2.53 mg/L 0.01 0.05 07/05/07 13:00 jr <br />Wet Chemistry <br />Conductivity @25C 120.1 / SM2510B 605 umhos/cm 1 10 06/29/07 23:59 Icp <br /> * 06/29/07 13:16 bjl <br />Lab Filtration SM 3030 B * 06/29/07 9:51 bjl <br />Lab Filtration & SM 3030 B <br />Acidification <br />dissolved Calculation: N03NO2 minus N02 <br />Nitrate as N <br />U <br />mg/L <br />0.02 0.1 <br />07/16/07 10:03 <br />talc <br />, <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium UH * mg/L 0.02 0.1 06/29/07 21:03 pjb <br />dissolved <br />Nitrite as N, dissolved Reduction <br />M353.2 - Automated Cadmium <br />UH <br />* mg/L <br />0.01 0.05 <br />06/29/07 21:03 <br />pjb <br /> Reduction <br />pH (lab) 150.1 / SM4500H+ B <br />7 <br />3 <br />H <br />units <br />0.1 0.1 <br />06/29/07 0:00 <br />Icp <br />pH . <br />21 <br />0 <br />C <br />0.1 0.1 <br />06/29/07 0:00 <br />Icp <br />pH measured at . <br />450 mg/L 10 20 07/03/07 14:44 jff <br />Residue, Filterable 160.1 / SM2540C <br />JDS) @180C <br />250 <br />mg/L <br />10 50 <br />07/10/07 15:35 <br />kmc <br />Sulfate SM4500 S04-D <br />REPIN.02.06.05.01 ` Please refer to Qualifier Reports for detail. <br />L63514: Page 11 of 24