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/_===vv====c=vavv=v===ca.==a=v=svc=v=c====x=v=c=====_= n=== =v=v.__.- <br />~I' RCZ•LABORATORIES INC DHTA MANAGEMENT SYSTEM I <br />106125/.90 Water Analysis Report 1D:37 I <br />T.=m~ae~=e==a======aa=e=e=e.e==~==__~__________~_~_= Paga 1 =°__°____ <br />Client Twin Pines Coal <br />Address P.O. Box 187 <br />Rockvale, CO 81244-0167 <br />Attn. Ms. Ruth Vandetti <br />Project . <br />Sample ID: TPW-1 Lab No. 90-WI/U3987 <br />Sample Date Time: 05/31/90 12:OD Date Received: 06/04/90 <br /> <br />Parameters <br />Alkalinity as CaC03 392. mg/1 <br />Bicarbonate as CaC03 378 mg/1 <br />Boron, dissolved .OS mg/1 <br />Calcium, dissolved 4. mg/1 <br />Chloride 6. rng/1 <br />Conductivity [il 25C 860. umhos/cm <br />Fluoride 2.5 mg/1 <br />Hardness as CaC03 6. mg/1 <br />Magnesium, dissolved -1. mg/1 <br />Nitrogen ammonia .27 mg/1 <br />Nitrate'as N, dissolved -.02 mg/1 <br />Nitrate/Nitrite as N .03 mg/1 <br />Nitrite•as N, dissolved .03 mg/1 <br />pH (lab)• 8.5 units <br />Potassium, dissolved 1. rng/1 <br />SAR in water 3b.23~-2~ <br />Sodium,'dissolved 200. mg/1 <br />Sulfate 60. mg/I <br />Solids, total dissolved 578. mg/1 <br />Anions (sum) 9.27 meq/1 <br />Cations (sum) 8.94 rneq/1 <br />Cation-Anion Balance -1.81 Y, <br />Aluminum', dissolved .27 mg/1 <br />Arsenic; dissolved .004 mg/1 <br />Cadmium,'dissolved -.01 mg/1 <br />Copper, dissolved -.D1 mg/I <br />Iron, dissolved .11 mg/1 <br />Lead, dissolved -.02 mg/1 <br />Manganese, dissolved .O1 rng/1 <br />Mercury, dissolved -.0001 mg/1 <br />Molybdenum, dissolved -.05 mg/1 <br />Selenium, dissolved -.001 mg/1 <br />Zinc, dissolved .02 mg/1 <br />Remarks: Lab Filtration Requirod On Two Subsamplas. <br />Note: Negative sign "-" denotes that the value is less than "<" <br />Frank E. Polniak~ Inorganic Lab Supervisor <br />~P/. ~,u,~~n ~~ FP <br />