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Well SO.W-1 <br />Water Quality and Field Parameters <br />• Mountain Coal West Elk Mine <br /> <br /> <br />MonKorin Location <br />DesCri lion <br />Field Parameters WeII SO.W-1 ~ <br />Units Baseline- - <br />Minimum Maximum 'Mean 2007 Water Ye <br />5I2I2001 6/23NL001 ar <br />9127/2001 <br />Water Level De ih <br />Electdcal Conduct• teat <br />umhos/cm <br />1680 <br />1900 <br />1790 ~ soa.6/ <br />1640 906.21 <br />7660 eozae <br />1720 <br />I.{ SU B.1 9.9 8.5 9.2 9.1 6.9 <br />Tem eralure oC 16.4 17.3 16.7 18.2 16.4 16.8 <br />Comment <br />Leborato Parameters <br />Name Of Certified Lab ACZ <br />Lab Reference # ~ L34ta7-02 <br />Sam le Date 8/27/2001 <br />Lab Test Date 10/1-10/25 <br />Sam led B <br />Alkalin' Total CaC03 <br />~ m <br />266 <br />887 <br />772 R.H. <br />904 <br />Aluminum, dissolved <br />Ammonia <br />Anions m <br />rii ~ <br />m <br />1.23 <br />18.3 <br />1.57 <br />~ 19.8 <br />1.4 <br />18.9 <br />0.31 <br />19.8 <br />Arsenic dissolved m o - 0.001 0 0.0005 <br />Arsenic, total m 0.001 0.001 0.001 <br />~ <br />Bicarbonate m 268 737 601 803 <br />Boron, dissolved rim ~ 0.48 <br />Cadmium, dissolved m o 0 0 -0-0007 <br />Calcium dissolved m 2.1 2.8 2.6 3.1 <br />Carbonate m 0 310 171 101 <br />Cation -Anion Balance % 0.5 2.1 1.3 2.5 <br />Cations ~me 19.1 20 19.a 20.6 <br />Chloride <br />CondOCtIV m <br />Umh05/Cm 14 <br />1670 19 <br />7750 16 <br />1703 18 <br />1710 <br />Co er tlissoNed rn <br />Hardness m 78 30 26 37 <br />H roxide m 0 0 0 -2 <br />Iron, tlissoNed m 0.04 0.66 0.3 0.73 <br />Iron, total <br />Lead dissolved m ~ <br />m 2.69 <br />0 7.07 <br />0 4.14 <br />0 4.05 <br />0.0055 <br />Ma nesium, d19SOlved m ~ 3.2 5.5 4.6 7.1 <br />Man anese dissolved m 0.014 0.025 0.017 0.023 <br />Man anese, total m 0.044 0.102 0.067 0•~ <br />Mercu dissolved m 0 0 0 -0.0002 <br />Mercu ,total m o 0 0 <br />Mol denum, dissolved <br />NitrateMitrlte as N m <br />m ~ <br />0 <br />0.15 <br />0.03 <br />-0-~ <br />Nitro en, ammonia <br />Fl m <br />SU l.se <br />9.1 2.07 <br />9.2 1.77 <br />9.2 1.a9 <br />8.9 <br />Phos hate m 0.04 0.04 0.04 -003 <br />Phos horns Ortho ,dissolved m 0 0 0 -0'~5 <br />Potass(um, dissolved m 6.7 7.7 6.9 6.4 <br />Selenium, dissolved m <br />- 0 0 0 -0.001 <br />Selenium, total <br />Sodium Absor tion Ratio SAR <br />SOdIUm, dI5501Ved <br />SuHate <br />TDS Ratb m <br />talc. <br />m <br />m <br />talc. 0 <br />33.7 <br />398 <br />40 0 <br />40.9 <br />437 <br />90 0 <br />36.4 <br />420 <br />76 <br />32.2 <br />444 <br />50 <br />o.ea <br />TDS Calc. <br />TDS <br />TSS m <br />m <br />m <br />930 <br />0 <br />7100 <br />36 <br />1007 <br />27 1710 <br />1030 <br />_ <br />Zinc dissolved m 0.04 0.04 0.04 0.01 <br /> <br />AAL. Inc - Amedcan Assa Laboratories, Inc., S arks, Nevada <br />' Standard is for reference u ses onl <br />NA - not a licable NM -not measured NR -not re orted <br /> <br />West Elk Mine <br />G-18 2001 Annual Hydrology Report HydroGeo, Inc. <br />