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JOIN C. KEPHART & CO. <br />G~~ND~~IN~T ON ~~~O~flTO~ ~S <br />435 NOREf( AVENUE • PHONE 242-]618 <br />Grand Valley Coal <br />Received from: I John Walters <br />POBnx 70 <br />Loma; C0 81324-0070 <br />858-3608 <br />Customer No. <br />Date Received <br />9/22!9% <br />ANALYTICAL REPORT <br />GRAND JUNCTION, COLORADO 61501 <br />Laboratory No. <br />water <br />Sample <br />12/19/97 <br />5767 <br />Date Reported <br />OJ Lab No.~ 5767 <br />Sample Identifications 5W-5 9/20/97 3~03PM Walters <br />onsite readings temp 15.8 deg C, pH 8.54, EC 420 <br />Lab Result <br />i <br />pH <br />Conductivity X25 degC <br />Suspended Solids <br />Hardness(CaCD3) <br />Dissolvod Solids <br />Sodium Absorption Ratio <br />Bicarbonate(HC03) <br />Carbonate(Cp3) <br />Calcium(Ca) <br />Chloride(C1) <br />Magnesium(Mg) <br />Potassium(K) <br />Sodlum(Na) <br />Sulfate(S04) <br />Al umi nuln (Al S <br />Arsenic<As) <br />Boron(B> <br />Copper<Cu} <br />IrontFe) <br />Lead (Pb ) <br />Manganese(Mn) <br />Seleniumt5e) <br />Date Accuracy! <br />Fested~ <br />8.30 units 9/24/97 <br />764 umhos/cm 11/10/97 <br />90200 mg/l 10/10/97 +/- 10824 <br />281 mg/1 12/11/97 +/- 30 <br />419 mg/1 10/13 +/- 44 <br />1.37 10/24/97 <br />388 mg/1 10/29/97 <br />O mg/1 10/29/97 <br />75 mg/1 10/24/97 +/- 3 <br />20 my/1 10/24/97 +/- 0.90 <br />23 mg/1 10/24/97 +/- 1.3 <br />6 mg/1 10/7/97 +/- U.7 <br />52.9 mg/1 10/6/97 +/- 3 <br />27 mq/1 10/28/97 +/- 1.2 <br />U.UU3 mg/1 10/29/97 +/- i~.UOf.+1 <br />U mgfl 30/22/97 -- llLu U.UU1 <br />O mg/1 30/30/97 pLa 0.001 <br />0.014 mg/1 12/10/97 +/- 0.0005 <br />0.2 mg/1 11/4/97 +/- 0.007 <br />0.003 mg/1 10/23/97 U. 0002 <br />0.173 mg/1 12/6/97 +/- U.UO6 <br />0.002 mg/1 12/3/97 +!- 0.0001 <br />Lab Dir. Brian 9. Bauer <br />;Y` <br />r <br />d., ~. , ...~..,<.. .,. ~akrrn. <br />F ~.-, . 41a;+wn .K'nv4:...y.+~5ifn w:...i'1 } m ~ a <br />