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JOHN C. KEPHART do CO. <br />G~flND JUNCTION Cfl~0R~T0~I~S <br />X35 NORTH AVENUE • PHONE 2e7-7618 • <br />ANALY[7CAL REPORT <br />Grand Valley Coal <br />Received from: John Walters <br />PObo>: 70 <br />Loma, CO 81524-01170 <br />858-3608 <br />Customs No. <br />Date Received <br />4706 <br />I~bontory No. <br />6/12/97 <br />GRAND JUNCTION. COLORADO 81501 <br />water <br />Sample <br />8/20/97 <br />Date Reported <br />GJ La6 No.: 4706 <br />Sample Identification: SW-1 6/11/97 1ti:~•8AM Walters <br />onsite readings: temp 15.4 deg C, pH 8.53, EC 1,8[111; vis ail: none <br />Lab Re=_ult: <br />Date Accuracy: <br />Tested: <br />pH B.OU units 7/11/97 <br />Conductivity C25 degC 1980 umhos/cm 7/11/97 <br />Suspended Solids 250 mg/1 6/30/97 +/- 30 <br />Hardness(CaCD3> 558 mg/1 6/30/97 +/- 58.6 <br />Dissolved Solids 1500 mg/1 7/2/97 +/- 158 <br />Sodium Absorption Ratia 4.1)9 b/3C1/97 <br />Bicarbonate(HC03) 384 mg/1 6/20/97 <br />Carbonate(C03) 0 mg/1 6/2C1/97 <br />Calcium(Ca) 73 mg/1 6/30/97 +/- 3 <br />Chloride(C1) 14 mg/1 6/24/97 +/- 0.6 <br />Magnesium(Mg> 102 mg/1 6/30/97 +/- 6.6 <br />Potassium(K) 4.3 mg/1 6/25/97 +/- 0.5 <br />Sodium(Na) 2~+1 mg/1 6/25/97 +/- 11.6 <br />Sulfate(S04) 693 mg/1 7/10/97 +/- 31 <br />Aluminum(A1) O mg/1 6/16/97 DL= 0.001 <br />Arsenic(As) U mg/1 7/7/97 DL= O.C1C11 <br />Boron(b> 1"1.177 mg/1 7/9/97 +/- O.U18 <br />Copper(CLt) 0.002 mg/1 7/18/97 +/- 0.0001 <br />Iron(Fe) U mg/1 6/30/97 DL= 0.01 <br />Lead(F'b) U mg/1 7/21/97 DL= 0.001 <br />Manganese(Mn) 6.C>04 mg/1 8/5/97 +/- 0.0001 <br />Selenium(Se) 0.005 mg/1 7/31/97 +/- U.tiUU3 <br />Lab Dir.: Brian S. Bauer <br />