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~J <br />TABLE 17 <br />CYPRUS YAMPA VALLEY COAL CORPORATION; FOIDEL CREEK MINE <br />1995 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />SITE: WELL 006-AW-2 <br /> <br />DATUM 6672.18 <br />Fielii :::::.:::::::.:::::.::::.:.:.::::::.:.:.::.:::.":::::::' OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />Psfaritet0rs~~:::~;~:::::~:.~;:.::::~:~:::::::~:::~:~::~~Di4TE~;::; 10/27/94 11!21/94 12/30/94 01/18/95 02/16/95 03/31/95 04/12/95 05/09/95 06/08/95 07/12/95 08/01/95 09/05/95 <br />Water Depth Iftl 8.600 8.400 7.200 7.100 6.300 No access 6.100 4.410 4.570 7.560 8.640 8.210 <br />Elevation Ift above msll 6663.58 6663.78 6664.98 6665.08 6665.88 6666.08 6667.77 6667.67 6664.62 6663.54 6663.97 <br />Temperature IC°) 12 11 6 7 7 No access 12 10.1 15.8 15.8 17.3 15.7 <br />Conductivity lumhos/cml 2570 2530 1350 1410 1900 No access 2070 3400 2220 2620 3270 3430 <br />pH 7.4 7.7 7.9 7.8 7.7 No access 7.6 7.6 7.9 7.5 7.4 7.3 <br />Lab.': :.:....::::::-:::.:.:::;:..:::.; :-.:.:;-.:,;;:.;, <br /> <br />;... <br />arametera ::: : :.:.:.:::.::...::....:......:...:..... <br />Conductivity @ 25 C° lumhos/cm) 1470 2070 3480 3230 <br />Total Alkalinity Img/II 275 267 231 322 <br />Hardness as CaCO3 Img/II 655 1430 1220 <br />Solids, total dissolved Img/II 1010 1570 2910 3020 <br />Bicarbonate as HC03 Img/II 330 320.4 277.2 386.4 <br />Carbonate as C03 Img/II -2 -2 -2 -2 <br />Sulfate (mg/II 540 930 1800 1750 <br />Calcium, dissolved Img/II 77 127 290 243 <br />Magnesium, dissolved Img/II 52 82.2 172 150 <br />Sodium, dissolved Img/II 160 237 415 387 <br />SAR in Water 4.08 4.83 4.87 <br />Cadmium, dissolved lug/II -0.1 -0.5 -0.5 -0.5 <br />Lead, dissclved lug/II -20 -20 -20 -20 <br />Mercury, dissolved lug/II -0.2 -0.2 -0.2 -0.2 <br />Selenium, dissolved lug/II -1 -1 -1 -1 <br />Iron, dissclved lug/II 180 310 2210 7910 <br />Manganese, dissolved lug/II 570 899 1940 1630 <br />Molybdenum, dissolved lug/II -10 -10 -10 -10 <br />Nitrogen ammonia Img/II 0.28 0.47 0.49 0.86 <br />Nitrate as N, dissolved Img/II 0.16 0.09 0.08 <br />Nitrate/Nitrite as N Img/II 0.06 0.16 0.10 0.13 <br />Phosphorus, ortho diss Img/II -0.005 -0.005 -0.005 -0.005 <br />