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<br />JOHN C. KEPHART & CO. <br />G~~ND JUNCTION ~~UO~~TO~I~S <br />435 NORTH AVENUE • PHONE 242-7618 • <br />ANALYTICAL REPORT <br />Grand Valley Coal <br />Received from: John Walters <br />POBox 7U <br />Loma, CO 81524-0070 <br />958-3608 <br />Cusromer <br />6/12/97 <br />Dale Received <br />Isbontory <br />GRAND JUNCTION. COLORADO 81501 <br />water <br />8/21/97 <br />4708 <br />Date Reported <br />GJ Lab No.: 4708 <br />Sample Identification: SW-8 6/11/97 1U:15A Walters temp 15.3 C <br />onsite readings: pH 8.52 EC 1,7UC1; vis oil: none <br />Lab Result: <br />pH <br />Conductivity @25 degC <br />Suspended Solids <br />Hardness(CaC03) <br />Dissolved Solids <br />Sodium Absorption Ratio <br />Bicarbonate(HC03) <br />Carbonate(C03) <br />Calcium(Ca) <br />Chloride(C1) <br />Magnesium(Mg) <br />Potassium(K) <br />Sodium(Na) <br />Sulfate(S04) <br />Aluminum(A1) <br />Arsenic(As) <br />Boron<b> <br />Copper(Cu) <br />Iron(Fe) <br />Lead (F'b) <br />Manganese(Mn) <br />SeleniLtm(Se) <br />Date AccLlracy: <br />Tested: <br />8.00 units 7/11/97 <br />1960 umhos/cm 7/11/97 <br />245 mg/1 b/3U/97 +/- 29.4 <br />565 mg/1 6/30/97 +/- 59.3 <br />1410 mg/1 7/2/97 +/- 148 <br />4.44 6/30/97 <br />4U9 mg/1 6/20/97 <br />0 mg/1 6/20/97 <br />68 mg/1 6/30/97 +/- 3 <br />16 mg/1 6/24/97 +/- U.7 <br />102 mg/1 6/30/97 +/- 6.6 <br />4.4 mg/1 6/25/97 +/- 0.5 <br />228 mg/1 6/25/97 +/- 11.4 <br />694 mg/1 7/1U/97 +/- 31 <br />O mg/1 6/16/97 DL= 0.001 <br />0 mgll 7/7/97 DL= 0.001 <br />U.07 mg/1 7/9/97 +/- U.CIU7 <br />U.U03 mg/1 7/18/97 +/- 0.0001 <br />U mg/1 6/30/97 DL= t). U1 <br />O mg/1 7/21/97 DL= 0.001 <br />U.UU~+ mg/1 8/5/97 +/- 0.0001 <br />O.CIU7 mg/1 7/31/97 +/- U.00G5 <br />Lab Dir.: Brian S. Bauer <br />