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ACZ Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493 <br />Energy Fuels Mining Company ACZ Sample ID: L63282-01 <br />Project ID: SOUTHFIELD MINE Date Sampled: 06/18/07 14:10 <br />Sample ID: MW-23 Date Received: 06/19/07 <br /> Sample Matrix: Ground Water <br />Metals Analysis <br /> <br />Arsenic, dissolved M200.8 ICP-MS 0.0036 mg/L 0.0005 0.001 06/21/07 8:39 jjr <br />Cadmium, dissolved M200.7 ICP U mg/L 0.005 0.02 06/27!07 6:53 djt <br />Calcium, dissolved M200.7 ICP 4.1 mg/L 0.2 1 06/27/07 6:53 djt <br />Iron, dissolved M200.7 ICP 0.08 mg/L 0.02 0.05 06/27/07 6:53 djt <br />Magnesium, dissolved M200.7 ICP 0.5 B mg/L 0.2 1 06/27/07 6:53 djt <br />Manganese, dissolved M200.7 ICP 0.030 B mg/L 0.005 0.03 06127/07 6:53 djt <br />Mercury, dissolved M245.1 CVAA U mg/L 0.0002 0.001 06129107 15:55 gme <br />Selenium, dissolved SM 3114 B, AA-Hydride U mg/L 0.001 0.005 06/21/07 15:47 gme <br />Sodium, dissolved M200.7 ICP 291 mg/L 0.3 2 06/29/07 19:21 msh <br />Zinc, dissolved M200.7 ICP 0.03 B mg/L 0.01 0.05 06/27107 6:53 djt <br />Wet Chemistry <br /> <br />Alkalinity as CaC03 SM23208 -Titration <br />Bicarbonate as 462 mg/L 2 20 06/22/07 0:00 Icpfjlf <br />CaC03 <br />Carbonate as CaC03 40 mg/L 2 20 06/22/07 0:00 Icprif <br />Hydroxide as CaC03 U mg1L 2 20 06/22/07 0:00 Icp/jif <br />Total Alkalinity 502 mg/L 2 20 06/22/07 0:00 Icp/jH <br />Chloride 325.2 ! SM45000I-E 19 mg/L 1 5 06/25/07 15:21 misrag <br />Conductivity (a~25C 120.1 / SM2510B 1330 umhos/cm 1 10 06/21/OZ 22:36 Icp/Jlf <br />Hardness as CaC03 SM2340B -Calculation 12 mg1L 1 7 07/03/07 9:52 talc <br />Lab FilVation SM 3030 B 06/20/O7 8:20 bjl <br />Lab Filtration 8 SM 3030 B 06120/07 9:00 Imc <br />Aadification <br />Nitrate as N, dissolved Calculation: N03N02 minus N02 0.07 B mg/L 0.02 0.1 07/03/07 9:52 talc <br />NitrateMiUite as N, M353.2 -Automated Cadmium 0.28 mg/L 0.02 0.1 06/19107 18:46 pjb <br />dissolved Reducti~ <br />Nitrite as N, dissolved M353.2 -Automated Cadmium 0.21 mg/L 0.01 0.05 06/19/07 18:46 pjb <br /> Reduction <br />Nitrogen, ammonia M350.1 -Automated Phenate U mg/L 0.05 0.5 06/28/07 12:43 mis/jag <br />pH (lab) 150.1 / SM4500H+ B <br />pH 8.7 H units 0.1 0.1 06/21/07 0:00 Icp/jB <br />pH measured at 21.0 C 0.1 0.1 06/21/07 0:00 Icp/jif <br />Phosphate Calculation based on Ortho 0.34 mg/L 0.03 0.15 07/03/07 9:52 talc <br /> Phosphorus <br />Phosphorus, ortho M365.1 -Automated Ascorbic Acid 0.11 mg/L 0.01 0.05 06/19/07 22:05 pjb <br />dissolved <br />Residue, Filterable 160.1 / SM2540C 850 mg/L 10 20 06/22/07 11:56 aeh <br />(TDS) @180C <br />Sulfate SM4500 S04-D 180 mg/L 10 50 06/27/07 9:42 aeh <br />REPIN.02.06.05.01 'Please refer to Qualifier Reports for detail. <br />L63282: Page 2 of 10 <br />