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Middle Dry Fork <br />Surface Water Quality and Field Parameters <br /> <br />C~ <br />i <br />C-9 <br />Mountain Coal West EIk Mlne <br />Monitoring Location M. Dry Fork Flume Baseline 2005 Water Year <br />Descri lion Units Minimum Maximum Mean 5/1/2005 6/5/2005 10/2/2005 <br />Field Parameters <br />Flow StaN Gau a or cfs o.se 0.23 0.34 <br />Electrical Conductivi Umh05/Gm 30 490 213 282 359 155 <br />H SU 7.8 9.5 8.2 7.16 7.64 7.74 <br />Tem erature °C °C 3.6 19.8 12 <br />Tem erature °F °F 4z.e ss.o sz1 <br />Comment <br />Laborato Parameters' <br />Name of Certifed Lab ACZ <br />Lab Reference # LSt 525-OS <br />Sam le Date 5/s/zoos <br />Lab Test Date <br />Sam led B <br />Alkalini Total CaCO3 m A 3a 270 14z <br />Aluminum, dissolved m /I 0.07 0.07 0.07 <br />Anions me /I 1.1 1.1 1.1 <br />Arsenic, dissolved m /I <br />Arsenic, total m /I 0.002 0.002 0.002 <br />Bicarbonate m /I 34 270 142 <br />Boron, dissolved m /I <br />Cadmium, dissolved m /I <br />Calcium, dissolved m A 9.6 5s.s 31.ss <br />Carbonate m A <br />Cation-Anion Balance % -22.2 •22.2 -22.2 <br />Cations me A o.7 0.7 0.7 <br />Chloride m ll a i <br />CondUCtivi Umhos/Cm 76 76 76 299 <br />Co er, dissolved m /I <br />Hardness m /I 23 zoe 115 <br />H droxide m /I <br />Iron, dissolved m /I 0.11 0.11 all o.zt <br />Iron, total m /I o.ts 14.2 3.14 2.ez <br />Lead, dissolved m A <br />Lead, total m /I <br />Ma nesium, dissolved m 4 t5 17.9 9.7 <br />Man anese, dissolved m A 0.029 O.oz9 0.029 <br />Man anese, total m /I 0.01 d.a3z 0.11 <br />Mercu ,total m /I <br />Mol bdenum, dissolved m /I <br />Nitrate as N ,dissolved m /I 0.57 0.10 <br />Nitrate/Nitrite as N m /I 0.57 0.12 <br />Nitrite as N , tlissolved m /I o.1 0.02 <br />H lab SU 9.7 9.7 6.7 9.3 <br />PhoS hate m /I 0.33 0.33 0.33 <br />Phos horns Ortho ,dissolved m /I 0.1ss o.oa1 <br />POtasslUm, diSS0lVed m / 0.5 0.5 0.5 <br />Selenium, dissolved m /I <br />Selenium total m /I <br />Sodium Abso lion Ratio SAR talc. 0.47 1.1s o.7a <br />Sodium, dissolved m /1 5.9 38.9 79.9 <br />Sulfate m A so 25 <br />TDS Ratio talc. <br />TDS Calc. m /I <br />TDS m /I 50 300 172 200 <br />TSS m /I 27e 72 42 <br />Zinc, dissolved mg/I <br />'Baseline,WY 2000, and WY 2001 data ada led from WWE. <br />ACZ -ACZ Laboratories, Inc., Steamboat S rin s, CO <br />Ne ative values denote readin s below lab detection levels <br />NM -Not Measured <br /> <br />West Elk Mlne <br />2005 Annual Hydrology Report HydroGeo, Inc. <br />