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Spring 27.1 <br />Water quality and Field Parameters <br />Mountain Coal West EIk Mine <br /> <br />C~ <br />Monitodn LOCatIOn Sprin 27-1 Baselire 2007 Water rear <br />Descd ti0n Un'Its Minimum Maximum Mean 4/28/2001 6/25/2001 9/2712001 <br />Field Parameters <br />Flow <br />Electrical Conductivi <br />m <br />umhos/cm <br /> <br />290 <br /> <br />460 <br /> <br />364 <br />0.7 <br />490 <br />See <br />Dam <br />t1 SU 7.9 B.6 8.2 B.7 <br />Tem erature ~ oC 3.6 14.2 9.B 10.1 <br /> <br /> <br />Comment ' Insu#igent <br />flow to <br />sample Insu#ident <br />Oow to <br />sample <br />Laborato Parameters <br />Name of Cert'rfied Lab <br />Lab Reference # <br />Sam le Date <br />lsb Test Date ~ <br /> <br />Sam led B <br />Alkalini otal CaC03 <br />Aluminum dissolved <br /> <br />m <br />m <br /> <br />136 . <br /> <br />290 <br /> <br />169 <br />Anions me 3.9 4.5 4.2 <br />Arsenic, dissolved m <br />Arsenic, total <br />81Carb00ate <br />Boron, dissolved ~ m <br />m <br />~ m <br />138 <br />290 <br />168 <br />Cadmium, dissolved m <br />Calcium, dissolved m 19.9 29.4 24.4 <br />Carbonate m 7 0.9 <br />Cation -Anion Balance m 1.3 4.3 2.8 <br />CatiOflS m 4 4.9 4.45 <br />Chloride - <br />CCndUC71V1 <br />Co er dissolved <br />Hardness <br />H roxide m <br />umh05/Cm <br />m <br />- m <br />m 2 <br />368 <br /> <br />64 6 <br />437 <br /> <br />122 3 <br />403 <br /> <br />85 <br />Iron, dissolved m 0.02 0.01 <br />Iron, t01a1 m 0.16 9.15 1.68 <br />Lead, dissolved m <br />Ma nesium, dissolved m a.5 7.8 5.77 <br />Man anese dissolved m <br />Man anese, total m 0.192 0.037 <br />Mercu total m <br />Mol tlenum, dissolved m <br />N#rate as N m 0.4 0.08 <br />Nitrate/Nitrite as N m o.a o.oa <br />Nitrite as N ~ rn <br />H SU Zs 6.2 7.9 <br />Phos hate - m <br />Phos horns Ortho ,dissolved m 0.022 o.ao3 <br />Potassium, dissolved m 1 1.2 1.1 <br />Selenium, total <br />Sodium Abso tioh Ratio SAR ~ m <br />talc. <br />2s7 <br />ass <br />3,4 <br />Sodium, dissolved m 57.2 74.5 66,1 <br />Sulfate ~ m 30 80 57 <br />TDS Ratio talc. <br />TDS Cak:. rn <br />TDS m 210 ~ - 300 252 <br />TSS m 96 a2 <br />Zinc dissolvetl m <br /> <br />AAL. Inc -American Assa Laboratories, I nc., S arks Nevada <br />Standard is foi reference u ores onl <br />NA - not s Iicable NM -not measured NR -not re orted <br /> <br />West Elk Mine <br />E_17 2001 Annual Hydrology Report HytlroGeo, Inc. <br />