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• <br /> <br />r? <br />Laboratories, Inc. <br />2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334-5493 <br /> <br />New Elk Mine ACZ Sample ID: L72932-04 <br />Project ID: Date Sampled: 1110610815:35 <br />Sample ID: PRGTY-2 Date Received: 11107108 <br /> Sample Matrix: Surface Water <br />Wet chemistry <br /> <br />Alkalinity as CaC03 SM2320B - Titration <br />Bicarbonate as 220 mg/L 2 20 11/14/08 0:00 gkj <br />CaC03 <br />Carbonate as CaC03 6 B mg/L 2 20 11/14108 0:00 gkj <br />Hydro)dde as CaC03 U mg/L 2 20 11/14/08 0:00 gkj <br />Total Alkalinity 226 mg/L 2 20 11/14/08 0.00 gkj <br />Ammonia as N, un- M350.1 - Calculation < U mg/L 0.01 0.05 11/24108 0:00 calc <br />ionized <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -6.7 % 11/24/08 0:00 calc <br />Sum of Anions 5.6 maq/L 0.1 0.5 11/24108 0:00 talc <br />Sum'of Cations 4.9 meq/L 0.1 0.5 11124/08 O:OQ talc <br />Chloride SM45000I-E 17 mg/L 1 5 11/17/0813:39 bg <br />Conductivity @25C SM2510B 473 umhos/cm 1 10 11117/08 16:42 abm <br />Hardness as CaCO3 SM2340B - Calculation 125 mg/L 1 7 11/24/08 0:00 calc <br />Lab Filtration SM 3030 B * 11/11/08 13:52 gkj <br />Lab Filtration & SM 3030 B * 11111/08 13:50 gkj <br />Acidification <br />Nitrogen, ammonia M350.1 - Automated Phenate U * mg1L 0.05 0.5 11/13/08 17:14 neb <br />pH (lab) SM4500H+ B <br />pH 8.4 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 310 mg/L 10 20 11/12/08 13:50 abm <br />(TDS) @180C <br />Sodium Absorption USGS -11738-78 2.18 0.03 0.15 11/24/08 0:00 calc <br />Ratio in Water <br />Sulfate 375.4 - Turbidimetric 31 mg/L 1 5 11/15/08 15:34 Ibn <br />TDS (calculated) Calculation 287 mg/L 10 50 11124/08 0:00 calc <br />TDS (ratio - Calculation 1.08 11/24/08 0:00 talc <br />measured/calculated) <br />REPIN.02.06.05.01 <br />* Please refer to Qualifier Reports for details. <br />Page 10 of 21