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<br />TABLE 9 <br />CYPRUS YAMPA VALLEY COAL CORPORATION <br />1994 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br />SITE: OBSP4B <br />DATUM 6681.0 <br />Fietd <br />:.:.~:.:.~:~.~~~. ~.::. ~. :~~.:~.~:.:~~: ~~:~:~ <br />:~ OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV <br />. <br />. <br />Parsmetei3:~~.-~~~.~:~~: ~:: ~.:.::~~: ~.: :..~:~~::: 12/21/93 3!9/94 5/13/94 8/29/94 11/11/94 <br />Elevation (ft above msll 6670.5 6671 .5 6671 .4 6672.8 6669.4 <br />Water Level 10.5 9.5 9.6 8.2 11.6 <br />Temperature IC°) 5 11 13 16 12 <br />Conductivity (umhos/cml 3170 2530 3300 3320 3390 <br />pH 7.6 6.6 7.3 7.3 7.2 <br />Patarneter5~:': ~:~:~'.: ~::~~~~ . .. ... .. ..... ~.. :.: <br />Alkalinity as CaCO3 Img/II 528 540 <br />Bicarbonate as CaCO3 Img/II 644 <br />Carbonate as CaCO3 Img/g 0 <br />Calcuim, dissolved (mg/II 470 440 <br />Conductivity @ 25 C° lumhoslcml 3190 3060 <br />Hardness as CaCO3 (mg/II 2134 <br />Magnesium, dissolved Img/II 234 230 <br />Sodium, dissolved lmglll 70 67 <br />Sulfate Img/I) 1799 1710 <br />Solids, total dissolved Img/II 3034 2810 <br />SAR in Water 0.65 <br />Nitrogen, ammonia Img/II 0.91 0.94 <br />Ammonia as N (unionized) Img/I) -0.05 0.05 <br />Nitrate as N, dissolved Img/II 0.03 0.02 <br />Nitrite as N, dissolved Img/II -0.01 -0.01 <br />Nitrate/Nitrite as N Img/II 0.03 0.02 <br />Phosphorus, ortho diss Img/II -0.005 -0.005 <br />Cadmium, dissolved lug/I) 0.4 -0.001 <br />Iron, dissolved (ug/II 80 <br />Manganese, dissolved lug/II 3100 <br />Lead, dissolved lRJ1U -20 <br />Molybdenum, dissolved lug/II -10 <br />Mercury, dissolved lug/I) -0.2 <br />Selenium, dissolved (ug(11 -1 <br />M3AHR94.XLS <br />