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Lower Gibble Gulch <br />Surface Water Quality and Field Parameters <br /> <br />It <br />Moumain Coal West Elk Mine <br />Monitoring Location L. Grabble Gulch Baseline 2001 Water Year <br />Descri lion Units Minimum Maximum Mean 4/27/2001 6/26/2001 9/28/2001 <br />Field Parameters <br />Flow m D D D <br />Electrical Conductiv' umhos/cm <br />H SU <br />Tem rature oC <br />Laborato Parameters <br />Name of Cenified Lab <br />Lab Reference # ~ - ` <br />Sam le Date <br />Lab Test Date <br />Sam led 8 <br />Alkalini Total CaCO3 m <br />Aluminum, dissolved m <br />Anions me <br />Arsenic, dissolved m -4 <br />Arsenic, total m A <br />Bicarbonate m 3oa 477 353 <br />Boron, dissolved m A <br />Cadmium, dissolved m /I <br />Calcium, dissolved m <br />Carbonate m A <br />Cation -Anion Balance m A <br />Cations me <br />Chloride m 3 5 a <br />COndUCtiv' umhos/cm 1250 1250 1250 <br />Co er, dissolved m A <br />Hardness m /I 308 460 377 <br />H droxide m /t <br />Iron, dissolved m A <br />Iron, total m 0.69 O.aa <br />Lead, dissolved m A <br />Ma nesium, dissolved m 32 39.7 35.9 <br />Man anese, dissolved m <br />Man anese, total m A 0.015 0.008 <br />Mercu ,total m /1 <br />Mol - enum, dissolved m A <br />NilrateMitrite as N m A 0.05 0.35 0.15 <br />H SU 7.2 7.2 7.2 <br />Phos hate m A <br />Phos horns Ortho ,dissolved m 11 0.006 0.002 <br />Potassium, dissolved m A <br />Selenium, total m A <br />Sodium Absor lion Ratio SAR talc. 0.66 2.5 is <br />Sodium, dissolved m A 80 2so 135 <br />Sulfate m /I 400 760 590 <br />TDS Ratio talc. <br />TDS Calc. m A <br />TDS m /I 24 60 42 <br />TSS m <br />Zinc, dissolved m A <br /> <br />ACZ Labs, Steamboat S ran s, Colorado <br />' Standard is for reference u oses onl <br />NA • not a licable NM -not measured NR -not re orted <br /> <br />West EIk Mine <br />C-12 2001 Annual Hydrology Report HydroGeo, Inc. <br />