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<br />TABLEB <br />CYPRUS YAMPA VALLEY COAL CORPORATION: MINE 3 <br />1997 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY DATA <br />SITE: WELL 08SPSA <br /> <br />DAT'UAt = 667331 <br />~F1...'?'is~:::~<::~s:'r~:.!<~:~':~':~':::<'r~::;::z,::::.:;.:~:•:::.~:i:' .::::::::::.::~:~:.:;~:;f::;'::i~:c:: <br />:...:..,.. <br />~d ... .. ..:.::..:... <br />...:..::..::.::::.....:...........:..:..:.:..:..: <br />:::: <br />: OCI' NOV DEC JAN FEB AL1R APR DiAY JUN JUL AUG SEP <br />. <br />: <br />: <br />. <br />7-Nov-96 <br /> <br />3-Mer-97 v- 7 <br /> <br />12-Me 9 7-Au -97 <br />Elevation ft above msl 6665.7 6665.6 6667.3 6665.8 <br />Water Level 7.63 7.69 6.02 7.53 <br />TEMPERATURE FIELD DEGREES C 9.6 4.7 8.9 12.5 <br />CONDUCTIVITY FIELD UMHOS/CM 3670 2880 3670 3330 <br />PH FIELD PH 6.55 6.69 6.56 6.85 <br />I.a ..................:...... .................................... <br />CONDUCTIVITY LAB UMHOS/CM 3490 3230 <br />PH LAB PH 6.9 7.8 <br />SOLIDS DISSOLVED MGIL 3300 2820 <br />ALKALINITY TOTAL MG/L 498 507 <br />HARDNESS TOTAL MG/L 2010 1750 <br />CALCIUM DISSOLVED MG/L 438 366 <br />MAGNESIUM DISSOLVED MG/L 222 201 <br />SODIUM DISSOLVED MG/L 188 162 <br />SAR NOT APPLICABLE UNDEFINED 1.85 1.71 <br />SULFATE NOT APPLICABLE MGIL 1990 1590 <br />BICARBONATE AS HC03 MGIL 607 619 <br />CARBONATE AS C03 MG/L -2 -2 <br />HYDROXIDE AS OH MG/L -2 -2 <br />CADMIUM DISSOLVED UGIL -0.5 -0.S <br />LEAD DISSOLVED UG/L -00 -100 <br />MERCURY DISSOLVED UGIL -0.2 -0.2 <br />SELENIUM DISSOLVED UG/L -1 -I <br />IRON DISSOLVED UG/L I30 -30 <br />MANGANESE DISSOLVED UG/L 2790 2530 <br />MOLYBDENUM DISSOLVED UG/L -10 -30 <br />NITROGEN AMMIUM-TOTAL MG/L 0.82 0.59 <br />NITROGEN AMMIA-FREE MG/L -0.OI -0.01 <br />NITROGEN NITRATE MG/L -0.02 0.02 <br />NITROGEN NITRITE MGIL -0.OI -0.01 <br />NITROGEN N03+N02 MGIL -0.02 0.02 <br />PHOSPHATE ORTHO-DISS MGIL -0.005 -0.005 <br />1,\EN\ENVIRONMEN7ALV.HR\M3\AHR9~ XLS <br />