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~~ <br />O i~1 C. KEPHART & CO. <br />G~flND JU°NCTIQN: Ufl~0~~10~I~S <br />C[[4 435 NORTH AVENUE ~ ~ PHONE 242-7678 <br />F <br />GRAND JUNCTION, COLORADO 81501 <br />~. <br />AN ALYCICAL REPORT <br />Grand Valley Coal <br />Received from: John Wal tern <br />POBox 70 <br />Loma, CO 81524-0070 <br />858-3608 <br />5764 water <br />Customer Na. Labocatory No. Sample <br />8 <br />9/22/97Y 12/19/97 ~ i <br />Date Received Date Reported <br />1 ,fit' <br />8J Lab No, a 5764 - i ~ • ,e 7h < ~. ,~. <br />Sample Identification: SW-1 9/2U/97 07:40AM Walters <br />onsite readings: temp 13.4 deg C, pH 8.67, EC 2,0251 vis oil: none <br />Lab Result: Date Aeeuraeye <br />Tasted: , <br />pH <br />Conductivity X23 degC <br />Suspended Solids <br />Hardneas(CaC03) <br />Dissolved Solids <br />Sodium Absorption Ratio <br />Bicarbtx3ata(HC03) <br />Carbonata(C03) <br />L'alcium(Ca) <br />Chloride(Cl) <br />Magnesium<Mg) <br />Potassi,ASm<K~ ~'a. <br />Y... <br />9odium(Na) '~ <br />Sul i•atw(804) `•'~f <br />~11Uminum(A1) <br />°Arsetiic(As) ~ <br />Boron<B> <br />L'opper (Cu) ~~ ` <br />Iran «e> <br />Lead(Pb) <br />Manganese(Mn> <br />Selenium < Ste ) <br />Lab Uir-.: Brian S. Bauer <br /> <br />_^~ <br />8.35 unite 9/24/97 <br />2710 utahos/cm 1 ] / 10/97 <br />5870 mg/1 10/10/97 +/~- 704 <br />661 mg/1 12/11/97 +/- 69 <br />1700 ttg/1 10!13 +/- 179 <br />`~ <br />5.02 10/24/97 <br />-S*"'~r 238 mg/1 10129!97 <br />'{'"' O mg/1 10/29/;17 <br />97.9 rng/1 10/24/97 +/- 4.4 <br />23 mg/1 10/24/97 +/- 1 <br />101 mg/1 10/24/97 +/- 6.6 <br />7.4 tog/1 ]0/7/97 +!- O.B <br />297 mg/1 !0/6/97 +/- ~ 14,9 <br />985 m9/1 30/?8/97 +/- 43 <br />-, l?g/1 lU/29/97 DLm 0.~1 <br /> <br />0.05 mg/1 10/30/97 +/- 0.005 <br />0.007 tog/1 12/10/97 +/- 0.0003 <br />U.04 tng/1 11/4/97 +/- 0.001 <br />O tttg/1 10/23/97 DL.= 0.001 <br />0.003 mg/1 12/6/97 +/- O.UUO1 <br />0.003 ~/1 12/3/97 +!- U,it002 <br /> <br />