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Laboratories, Inc. <br />• 2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334-5493 " <br />New Elk Mine ACZ Sample ID: L72932-07 <br />Project ID: Date Sampled: 1110610811.35 <br />Sample ID: MWJC-1 Date Received: 11107108 <br />Sample Matrix: Ground Water <br />Inorganic Prep -- - <br />- - <br />Total Hot Plate M200.2 ICP 11111/08 22:10 jws <br />Digestion <br />Total Recoverable M200.2 ICP 11/14/08 10:52 jws <br />Digestion <br />Metals Analysis <br />' <br />=.E SS _ ?ilw <br />- '.b1 Yi E_ <br />- <br />- Ius S!- ro . <br />_. %?.t. +(a <br />Calcium, dissolved - "- <br />M200.7 ICP ?- 62.0 mg/L 0.2 1 11/20/08 16:46 ear <br />Iron, total M200.71CP 5.13 mg/L 0.02 0.05 11/13/08 0:00 aeh <br />Iron, total recoverable M200.7 ICP 8.77 mg/L 0.02 0.05 11/20/08 2:59 aeh <br />Magnesium, dissolved M200.7 ICP 43.7 mg/L 0.2 1 11120108 16:46 ear <br />Manganese, dissolved M200.7 ICP 0.012 B mg/L 0.005 0.03 11/20/08 16:46 ear <br />Manganese, total M200.7 ICP 0.088 mg/L 0.005 0.03 11/13/08 0:00 aeh <br />Potassium, dissolved M200.7 ICP 4.4 mg/L 0.3 2 11120108 16:46 ear <br />Sodium, dissolved M200.7 ICP 172 mg/L 0.3 2 11/20/08 16:46 ear <br /> Wet Chemistry <br /> L <br /> Alkalinity as CaCO3 SM23208 - Titration <br /> Bicarbonate as 446 mg/L 2 20 11/14/08 0:00 gkj <br /> CaC03 <br /> Carbonate as CaC03 U mg/L 2 20 11/14/08 0:00 gkj <br /> Hydroxide as CaC03 U mg/L 2 20 11114/08 0:00 gkj <br /> Total Alkalinity 446 mg/L 2 20 11/14/08 0:00 gkj <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -8.6 % 11124/08 0:00 talc <br /> Sum of Anions 17.1 meq/L 0.1 0.5 11124/08 0:00 talc <br /> Sum of Cations 14.4 meq/L 0.1 0.5 11/24/08 0:00 talc <br /> Chloride SM45000I-E 91 mg/L 1 5 11/14/0815:43 am[ <br /> Conductivity @25C SM25108 1460 umhos/cm 1 10 11/17/08 16:46 abm <br /> Hardness as CaC03 SM2340B - Calculation 335 mg/L 1 7 11/24/08 0:00 calc <br /> Lab Filtration SM 3030 B 11111/08 14:14 gkj <br /> Lab Filtration & SM 3030 B 11/11/08 14:17 gkj <br /> Acidification <br /> pH (lab) SM4500H+ B <br /> pH 8.1 H ' units 0.1 0.1 11/14/08 0:00 gkj <br /> pH measured at 23.0 C 0.1 0.1 11/14/08 0:00 gkj <br /> Residue, Filterable SM2540C 970 mg/L 10 20 11112/0813:43 abm <br /> (TDS) @I 80C <br /> Sodium Absorption USGS -11738-78 4.14 0.03 0.15 11124/08 0:00 talc <br /> Ratio in Water <br /> Sulfate 375.4 - Turbidimetric 270 ' mg/L 10 50 11/14108 13:22 aml <br /> TDS (calculated) Calculation 911 mg/L 10 50 11/24/08 0:00 calc <br /> TDS (ratio - Calculation 1.06 11/24/08 0:00 caic <br />. measured/calculated) <br /> REPIN.02.06.05.01 ` Please refer to Qualifier Reports for details. <br /> Page 13 of 21