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• <br />TABLE 15 <br />BTU, EMPIRE CORPORATION <br />2010 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />SITE: 9 MN (9 MINE WELL, TWENTYMILE SANDSTONE) DATUM 6383.29 <br /> <br />CATEGORY <br />F PARAMETER I ANALYSIS TYPE UNITS JAN FEB MAR APR MAY JUN JUL AUG SEP [ ,OCT NOV DEC <br />? <br />IELDPARAMETERS DATE _ 2/1/2010 - 5/10/10 8/10/10 10/7/10 <br /> WATER ELEVATION i FT ABOVE MSL 6293.61 6298.98 6293.88 6294.16 <br /> WATER LEVEL Depth 89.68 84.31 89.41 89.13 <br />PHYSICAL PROPERTIES TEMPERATURE j <br />_ ?FIELD DEGREES C 12.7 12.6 13 12.9 <br /> CONDUCTIVITY FIELD UMHOS/CM <br />_ 470 470 4801 490 <br /> LAB UMHOS/CM 470 <br /> PH FIELD PH 7.47 7.68 7.51 7.49 l <br /> LAB 1 PH 7.36 <br /> <br />i ALKALINITY <br />-- TOTAL MG/L <br />.r 360 <br />.CATIONS CALCIUM DISSOLVED MG/I, ? 130 <br /> MAGNESIUM <br />SODIUM DISSOLVED <br />DISSOLVED MG/L <br />MG/L 53 <br />24 <br />ANIONS BICARBONATE AS HC03 MG/L 440 <br />? <br />?? <br /> CARBONATE AS C03 _ MG/I_- ^^v <1 . <br /> CHLORIDE NOT APPLICABLE . MG/L 28 <br /> SULFATE NOT APPLICABLE MG/L <51 <br />PRIMARY ARSENIC DISSOLVED UG/L <2 <br /> CADMIUM DISSOLVED UG/L <0.5 _ - ? <br /> LEAD DISSOLVED , UG/L <5 <br /> MERCURY DISSOLVED UG/L i <0.2 <br /> SELENIUM DISSOLVED UG/L <2 j <br />SECONDARY ZINC DISSOLVED UG/L ?? <5 <br /> IRON DISSOLVED UG/L <10 <br /> MANGANESE ( DISSOLVED UG/L 94 y? <br />TRACE METALS BORON DISSOLVED UG/L <br />? <br />_ 40 <br /> MOLYBDENUM DISSOLVED UG/L <50 <br />NUTRIENTS NITROGEN NITRATE MG/L 0.09 1