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<br />TABLE: 20 <br />CYPRUS YAMPA VALLEY COAL CORPORATION: FOIDEL CREEK MINE <br />1998 ANNUAL HYDROLOGY REPORT <br />WATER QUALFCY MONITORING DATA <br />SFFE: 09510 (W<I1009.5.10) <br />DATUM= 6906.67' <br />Fiefld'<:15><:;<<3:>:::~:£:`:.:;:;~~:;s%:.:<::z::'';`::~::~'ids<~-<::E::~~:%:<:z~2: <br />p:`'"reete ~~-~~~i;`:3'ir<:<'r•;x`•:~:;::.:~-:;c::;:~;~::;:.:;-;..;<-;e::.;:;<:; %::: <br />sn er......c ............................................... <br />Elevation (R above msl) <br />Weta Level OCT <br />140ct-97 <br /> <br />6902.41 <br />4.26 NOV <br />03-Nov-97 <br /> <br />6902.62 <br />4.05 DEC <br />08-Deo-97 <br /> <br />6902.64 <br />4.03 JAN <br />19-Jan-98 <br /> <br />6902.48 <br />4.19 FEB <br />19-Feb-98 <br /> <br />6902.50 <br />4.17 MAR <br />03-Mar-98 <br /> <br />6902.49 <br />4.18 'APR <br />13-A r-98 <br /> <br />6904.93 <br />1.74 MAY <br />20-Ma -98 <br /> <br />6903.99 <br />2.68 JUN <br />09-Jun-98 <br /> <br />6903.46 <br />3.21 JUL <br />I3-Jul-98 <br /> <br />6902.66 <br />4.01 AUG <br />06-AU -98 <br /> <br />6902.43 <br />4.24 SEP <br />IS-Se 98 <br /> <br />6902.27 <br />4.4 <br />TEMPERATURE FIELD DEGREESC 10 10 8 6 5 6 B 7 10 11 11 11 <br />CONDUCTIVITY FIELD UMHOS/CM 1290 1270 1260 1230 1290 1250 1250 1290 1280 860 1330 1230 <br />PH FIELD PH 7.61 7.71 7.56 8.04 8.I1 8.15 7.96 7.84 7.73 7.6 7.81 8.07 <br />7a.1i°%i? `; %r~;%i =3,,.z 4~r~;`s~:5%Z;'' :%;~s `5si?f':='r:? <br />CONDUC7IVITY LAB UMHOS/CM 1240 1190 1170 1190 <br />PH LAB PH 7.8 8.I 8 7.7 <br />SOLIDS DISSOLVED MG/L 800 780 790 780 <br />ALKALIMTY TOTAL MG/L 466 418 452 446 <br />HARDNESS TOTAL MG/L 208 206 213 213 <br />CALCIUM DISSOLVED MG/L 46.8 45.3 48.2 46.7 <br />MAGNESIUM DISSOLVED MG/L 22.1 22.5 22.6 23.5 <br />SODIUM DISSOLVED MG/L 214 217 225 227 <br />SAR NOT APPLICABLE UNDEFMED 6.53 6.66 6.78 6.84 <br />SULFATE NOT APPLICABLE MG/L 200 230 230 280 <br />BICARBONATE AS HC03 MG/L 568 547 551 544 <br />CARBONATE AS C03 MG/L -2 -2 -2 -2 <br />HYDROXIDE AS OH MG/L -2 -2 -2 -2 <br />CADMIUM DISSOLVED UG/L 30 -0.5 -0.6 -0.5 <br />LEAD DISSOLVED UC/L -40 -40 -40 -40 <br />MERCURY DISSOLVED UG/L -0.2 -02 -0.2 -0.2 <br />SELEMUM DISSOLVED UG/L -I -1 -1 -I <br />IRON DISSOLVED UG/L 210 30 30 80 <br />MANGANESE DISSOLVED UG/L 338 14 -5 37 <br />MOLYBDENUM DISSOLVED UG/L -10 -10 -10 -10 <br />MTROGEN AMMIUM-TOTAL MG/L 2.2 -0.05 -0.05 0.65 <br />MTROGEN AMMIA-FREE MG/L 0.01 -O.OI -O.OI 0.01 <br />MTROGEN MTRATE MG/L 0.23 I.OS 1.04 0 25 <br />NITROGEN MTRITE MG/L 0.02 -0.01 -0.01 0.07 <br />NITROGEN <br />PHOSPHATE N03+N02 <br />ORTHO-DISS MG/L <br />MG/L 0.25 <br />0.048 I.OS <br />-0.005 1.04 <br />0.022 0.32 <br />0.039 <br />