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ROOT & NORTON LA50ATORIES Inc Tel0249-5366 <br /> PO Box 316 -576 Spring Creek Road Fax 970-240-8597 <br /> Montrose, Colorado 81402-0316 <br /> WATER ANALYSIS REPORT <br /> CLIENT TUSCO Inc. Report Date: 1/12/98 1815 wk4 <br /> c/o CALCO-J. Sandell <br /> PO Box 1044 Project: Howardsville Mill - EPP <br /> Salida, CO 81201 Sampled By: W. R. Jones <br /> Sample Identification: S-5 S-6 <br /> Sample Date: 8/17197 8117/97 <br /> Sample Time: 5:40 pm 5:45 pm <br /> Sample Type: Grab Grab <br /> Lab ID Number: 1815 1816 <br /> PARAMETERS: RESULTS: UNITS <br /> Physical: Well Water Depth ft < surface n/a n/a Ft <br /> Surface Water Flow cu. ft. /sec. 0 6 est 140 CFS <br /> pH pH 6.15 7.15 std. units <br /> Conductivity EC 941 222 uS/cm <br /> T Suspended Solids TSS 21.5 3.3 mgll <br /> T Dissolved Solids TDS 658 149 mg/1 <br /> Hardness as CaCO3 230 78 mg/l <br /> Total Alkalinity as CaCO3 6 13 mgll <br /> Anions: Ammonia NH3- 3.90 0.35 mg/1 <br /> Chloride CI- 6 2 mg/I <br /> W.A.D. Cyanide CN- 0 010 <0 001 mg/1 <br /> Nitrate NO3- 0.2 0.2 mg/1 <br /> Nitrite NO2- <1 2 mg/1 <br /> Sulfate SO4- 520,4%, 80 mg/1 <br /> Sulfide S- 0 009 <0.001 mg/1 <br /> Cations: Calcium Ca+ 816 266 mg/I <br /> Magnesium Mg+ 6.43 2 70 mg/1 <br /> Potassium K+ 84 3.5 mg/1 <br /> Sodium Na+ 170 18.8 mg/I <br /> Metals: Dissolved - Filtered at 0.45 um: Micrograms <br /> per liter <br /> Aluminum Al 3 4 ug/l <br /> Arsenic As <1 <1 ug/l <br /> Barium Ba 10000 1000 ug/l <br /> Boron B 100 <100 ugll <br /> Cadmium Cd 7 3 <0.1 ug// <br /> Chromium Cr+3 & Cr+6 90 <10 ug/l <br /> Copper Cu 12 20 ug/l <br /> Iron Fe 31200 30 ug/l <br /> Lead Pb <1 <1 ug/I <br /> Manganese Mn 17510 524 ug/1 <br /> Mercury Hg <0.1 <0.1 ug/l <br /> Nickel Ni 62 <1 ugll <br /> Selenium Se <5 <5 ug/I <br /> Silver Ag 0 2 <0.1 ug/I <br /> Zinc Zn 9930 377 ugll <br /> Approved / <br /> William WJones, <br /> Registered Assayer <br />