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<br />TABLE: 6 <br />CYPRUS YAMPA VALLEY COAL CORPORATION <br />1994 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORING DATA <br />SITE: 87758 <br />DATUM 6719.8 <br /> <br />Field.. ~.~~~'.~~~:~~~:~~~ :.: ~~ ~~~ OCT NOV DEC JAN FE8 MAR APR MAY JUN JUL AUG SEP OCT <br />Parameters :~~::.~:. ~~~~~~~ ~..:~ ~ ~ ~ 5/26/94 10/26/94 <br />Elevation Ift above msl) 6712.9 6708.6 <br />Water Level 6.9 11.2 <br />Temperature ICo) 7 13 <br />Conductivity lumhos/cm) 1570 1660 <br />pH 6.7 7.8 <br />Lab:~~~~~:.~:~:.~;.:::~.;'.:::'.,.....~ :......:....:~ <br />Parameters :.::.::::::............. . <br />Alkalinity as CaCO3 Img/I) 410 420 <br />Bicarbonate as CaCO3 Img/I) 500 512 <br />Carbonate as CaCO3 Img/I) 0 0 <br />Calcwm, dissolved (mgll) 100 88 <br />Conductivity @ 25 C° lumhos/cm) 1552 1610 <br />Hardness as CaCO3 Img/II 533 467 <br />Magnesium, dissolved Img/1) 69 65 <br />Sodium, dissolved Img/II 177 209 <br />Sulfate Img/II 523 480 <br />Solids, total dissolved Img/1) 1096 1110 <br />SAR in Water 3.29 4'17 <br />Nitrogen, ammonia Img/I) <br />Ammonia as N (unionized) (mg/I) <br />Nitrate as N, dissolved Img/II 0.04 0.2 <br />Nitrite as N, dissolved Img/I) -0.01 0.01 <br />Nitrate/Nitrite as N (mg/I) 0.04 0.03 <br />Phosphorus, ortho diss Img/I) -0.005 0.007 <br />Cadmwm, dissolved lug/II -0.1 1.6 <br />Iron, dissolved lug/II 370 240 <br />Manganese, dissolved lug/II 10 20 <br />Lead, dissolved lug/I) -20 -20 <br />Molybdenum, dissolved lug/Il -10 -10 <br />Mercury, dissolved lug/I) -0.2 -0.2 <br />Selenium, dissolved lug/II -1 -1 <br />M3AHR94.XLS <br />