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TABLE 32 <br />TW'ENTYM11ILE COAL COMPANY <br />PERIOD OF RECORD WATER QUALITY DATA <br />SITE: A4T13 (R'ELL A3T1-13, FISH CREEK ALLUX'IUD1) DATUM = 6685.68 Well installed in .4u$ust 2401 <br />CATEGORY PARAMETER ANALYSIS TYPE UNITS OCT NOV DEC JAN FEB MAR APR MAY JUN JUI. AUG SF,P <br />FIELU PARAMETERS DATE _ <br />11/11/2002 2/SR003 4/15/2003 8/12/2007 8/8/2003 <br /> WATER ELEVgT10N FT ABOVE MSL 6679.09 6680.32 6682.2 6682.7 6681.38 <br /> WATER LEVEL FT 6.59 5.36 3.48 3.02 4.3 <br />PHYSICAL PROPERTIES TEMPERATURE FIEL- DEGREESC 7.2 S.1 8 6.5 14.2 <br /> CONDUCTIVITY FIEL-_ _ UMHOS/CM 1070 IOSO 795 896 <br />~ 1080 <br /> LAB UMHOS/CM 960 1100 1200 <br /> PIi FIELD PH 7.36 7.4 7.81 7.8 7.41 <br /> LAB PH 7.76 7.33 7.3 <br /> SOLIDS TOTAL-DISS MG/L _ __ 820 730 _ ___ 820 <br />CATIONS CALCIUM DISSOLVED M11G/L 100 100 _ 120 <br /> MAGNESIUM DISSOLVED MG/L 52 56 65 <br /> SODIUM DISSOLVED MG/L 100 87 94 <br />ANIONS BICARBONATE AS HC03 _ MG/L 480 420 q60 <br /> CARBONATE AS C03 MGIL <1 <I <1 <br /> SULFATE NOT APPLICABLE MG/L 330 330 270 <br />PRIMARY CADMIUM DISSOLVED UG/L <2 c2 <5 <br /> LEAD DISSOLVED UG/L <50 <SO _ <br />~ <50 <br /> MERCURY DISSOLVED UG/L <0.2 <0.2 <.2 <br /> SELENIUM DISSOLVED UG/L <2' <2 2 <br />SECONDARY IRON DISSOLVED UG/L 14 <5 15000 <br /> MANGANESE DISSOLVED UG/L 1900 1800 2000 <br />TRACE METALS MOLY6DENUM DISSOLVED UG/L <SO <50 <SO <br />NUTRIENTS NITROGEN AMMIA-FREE MG/I. 0.13 0.12 0,15 <br /> NITRATE MG/L <0.02 0.1 0.06 <br /> NITRITE MG/L <0.02 <0.02 <.OS <br /> N03+N02 MG/L <0.02 0.1 0.06 <br /> PHOSPHATE ORTHO-DISS MG/L <0.01 <0.01 cpl <br />EXCEL: I~Enviraunemal~DMGNREWeter DeuWCw Alluvid We1120p3 <br />