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QUARTERLY WATER SAMPLE RESULTS <br /> Lucky Strike Mine Project,Gunnison County,Colorado <br /> Lucky Strike Mine 150 ft Level <br /> Drinking Water Date Sampled <br /> Metals Analysis Units Supply Std. <br /> (ug") 8/5/2014 12/3/2014 3/20/2015 6/8/2015 <br /> Aluminum ug/I 87` U <100 <100 <100 <br /> Antimony ug/I 6 U <0.80 <0.80 <0.80 <br /> Arsenic u /I 10 2.2 2.6 1.4 1.3 <br /> Barium ug/I 490 217 278 187 167 <br /> Beryllium u /I 4 U <0.40 <0.40 <0.40 <br /> Cadmium ug/I 5 0.1 <0.20 <0.20 <0.20 <br /> Calcium u 'I --- 66500 57600 65300 68400 <br /> Chromium ug/I 50 U <4.0 <4.0 <4.0 <br /> Cobalt u /I --- U <5.0 <5.0 <5.0 <br /> Copper ug/I 1 U <10 <10 <10 <br /> Iron u /1 300 30 <10 12.3 <10 <br /> Lead ugil 50 0.2 <1.0 <1.0 <1.0 <br /> Magnesium u 4 --- 8100 6620 8780 B520 <br /> Manganese ug11 50 57 <5.0 13.6 <5.0 <br /> Mercury ug/I 2 U <0.10 <0.10 <0.10 <br /> Nickel ug/i 100 U <30 <30 <30 <br /> Potassium ugll --- 2900 2010 3340 3080 <br /> Sodium ugJI 9100 7190 8580 8590 <br /> Vanadium ugil --- U <10 <10 <10 <br /> Zinc a /1 5000 U <30 <30 <30 <br /> General, Units <br /> Chemistry <br /> Alkalinity, <br /> Bicarbonate as mg/I ----- 140 129 142 152 <br /> CaCO3 <br /> Alkalinity, mg/I U <5.0 <5.0 <5.0 <br /> Carbonate <br /> Alkalinity,Total mg/I ----- 140 129 142 152 <br /> as CaCO3 <br /> Cation Anion % ----- 4.5 6.4 0.68 1.2 <br /> Balance <br /> Chloride mg/I --- 5.4 4.8 5.5 5.6 <br /> Cyanide,Total mg/I ----- U <0.0050 <0.0050 <0.0050 <br /> Hardness,Total mg/l 199 171 199 206 b <br /> as CaCO3 <br /> Nitrogen, Nitrate mg/I ----- 84 6.2 5.9 6.3 <br /> Nitrogen, Nitrite mg/I U 0.0062 <0.0040 0.0071 <br /> Solids,Total mgtl 265 238 284 292 <br /> Dissolved <br /> Specific umhosic ----- 447 329 404 428 <br /> Conductivity m <br /> Sulfate mg/I ----- 50.4 29.4 52.2 55.5 <br /> pH su ----- 8.1 7.42 7.34 7.38 <br /> Notes, U or< -Analyte below laboratory detection methods B E I <br /> -Colorado Surface V✓ater Standards-Pule 31 <br />