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<br />TABLE: ]0 <br />Cl'PROS YAMPA VALLE1'COAL CORPORATION: FOIDEL CREEK M1I]NE <br />1997 ANNUAL H1'DROLOCI' REPORT <br />\VATER QUALITY M1fONITORING DATA <br />SRE: 08.1V2 (N'eB 008-AV-2) <br />DATUM1t =6677.10' <br />F(eid~;~:~::>::::%~:.:~~:::::::::.~~:::;~~:~::%:~:>:~:~.:~~:~::~;:':::%:~:::~~:~::::::'::::::::.>~.:::;~~::~ OCT NO1' DEC J.1N FEB M1L1R APR M1fAI' JUN JUL AUG SEP <br />Pariairlns~~,:~:::~:.:::~:::::~~::::~:~:~::::~~~:::•::::'::::'~.;.::~. ~:~:::;:~::.;:::.~:~~~~~: 07-Oct-96 07-Nov-96 16-Dec•96 20-Jan-97 12-Feb-97 04A1ar-97 07- •97 OS-A1ev-97 12-Jun-97 II-Jul-97 07-.4u-97 IS-S 97 <br />Elevation (ft above msl) 6666.94 6667.07 6667.09 6667.06 6666.97 6666.78 6670.36 6670.42 6669.27 6666.64 6667.64 6667.49 <br />N'aler Level 10.16 10.03 10.01 10.04 10.13 10.32 6.74 6.68 7.83 8.46 9.46 9.61 <br />TEAIPER4TUR FIELD DEGREES C 10.6 8.8 3.1 3.9 3.1 5.4 3.7 6.2 7.9 11.3 11.0 10.9 <br />CONDUCTI\7 FIELD UAIHOS/CAI 1780 1780 1800 1700 1740 1960 1840 1760 1750 1620 1740 1700 <br />PH FIELD PH 7.25 6.92 6.94 7.08 7.d7 7.2 7.5 7.46 7.86 7.6 7.53 7.12 <br /> <br />CONDUCTII7 L.4B U1.IHOS/CM 1670 1630 1300 1690 <br />PH L.4B PH 7.6 7.4 8 <br />SOLIDS DISSOL\'ED AIG/L 1330 1280 1280.00 1340 <br />ALIiA1,INITI' TOTAL A1G/L 336 326 313 320 <br />HARDNESS TOT..4L A1G/L 900 879 RIS 827 <br />C4LCNr1 DISSOL\'ED M11G/L 222 215 193 196 <br />\IAGNESIU\I DISSOLVED AIG/L 63.9 83 81.7 82.1 <br />SODIUM DISSOLVED AIG/L 85.4 85.8 90.6 93.9 <br />5.4R NOT APPLIC.-1BLE UNDEFINED 1.23 1.27 I.J9 1.44 <br />SULFATE NOT APPLIC.46LE A1GlL 680 660 670 640 <br />BIC.4RBONAT AS HC03 MG/L 409 398 382 390 <br />C.-V2BONATE .-VS C07 AIG/L -2 •2 -2 -2 <br />Hl'DROA7DE .4S OH AIG/L -2 -2 -2 -2 <br />CADMNU DISSOLVED UG/L 4 -0.3 0.9 -0.S <br />LEAD DISSOLVED UG/L -20 -00 -0(1 40 <br />AIERCUR\' DISSOL\'ED UG/L -0.2 -0.2 -0.2 -0.2 <br />5ELENIUAI DiSSOLV'ED UG/L -1 -1 -1 2 <br />IRON DISSOLVED L'G/L 760 ISO 40 1110 <br />AI.WG.-~NESE DISSOLVED UG/L 1820 67 634 1630 <br />AIOLI'BDENU DISSOLVED UG/L -10 -10 -10 -10 <br />NITROGEN .-V.II~INA1-TOTAL AIG/L 0.42 -0.OS 0.17 1.22 <br />NITROGEN .-17.11.11.4-FREE M1IG/L -0.OS -0.OS -0.01 -0.010 <br />NITROGEN NITRATE AIG/L 0.13 0.08 0.07 -0.02 <br />NITROGEN NITRITE I.1G/L -0.01 -0.DI -0.Ol 0.02 <br />NITROGEN N03 rN02 A1G/L 0.15 0.06 0.07 -0.02 <br />PHOSPHATE ORTH0.DISS 1,1G/L -0.005 0.014 -0.003 -0.003 <br />1:1EN\ENVIRONMENTALW HR\1997\CYVCC.XLS <br />