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• <br />TABLE: S <br />TWENTYMILE COAL COMPANY <br />2000 ANNUAL HYDROLOGY REPORT <br />HYDROLOGY MONITORING DATA <br /> <br />SITE: 08775A (W ELL 008-77-58, WADGE OVERBURDEN) DATUM 6719.A0 <br />CATEGORY ! PARAMETER I ANALYS/S TYPE UNITS ~ OCT ~ NOV DEC I JAN ~ FEB MAR APR ~ MAY JUN ~ JUL AUC SEP , <br />YIELD PARAMETERS (DATE ~ , i ~ 1425/00 9/7/00: <br /> iWATER ELEVATION ~ IFT ABOVE MSL i ~ ~ ~ 6713.13 670R.71 <br /> (WATER LEVEL 'FT I ~ ~ 6.671 ~ ~ 11.49 <br />PHYSICAL PROPERTIES (TEMPERATURE iF1ELD ~DEGREESC ~ , ~ 10.61 ! 10.7 <br /> ,CONDUCTIVITY AFIELD IUMHOS/CM ~ ~ 1820 1610 <br /> (LAB IUMHOS/CM ~ I ~ , 1708', 1600 <br /> ~~PH (FIELD ,PH ~ ~ ! i ~ ~ 7.24 7,7 <br /> i <br />LAB <br />iPH i ~ ~ ~ <br />7.16 <br />7.48 <br /> SOLIDS ( <br />;TOTAL-DI55 ~MG/L ~ I ~ 1290 1043 <br />CATIONS (CALCIUM (DISSOLVED ;MG/L ~ I ~ ~ 120 963 <br /> MAGNESIUM jDISSOLVED MG/L ~ ~ ' 96~ 73' <br /> 'SODIUM (DISSOLVED IMG/L <br />~ i U01 176 <br />ANIONS (BICARBONATE 'AS HCO3 I ! i <br />~MG/L ~ 314', 515 <br /> (CARBONATE 'AS CO3 ~MG/L ' ! ! i < L01 i < L0 <br />' iSULFATE 'NOT APPLICABLE !MG/L i i , ~ 671, 4601 <br />PRIMARY CADMIUM DISSOLVED IUG/L I ~ i ' <6.0 <50 <br /> LEAD DISSOLVED UG/L ~ I <60.0~ ~ <500 <br /> MERCURY (DISSOLVED IUG/L ~ 'i <0.2~ <br />~ <0.2' <br />~ <br /> (SELENIUM DISSOLVED UG/L ~ ~ <20 <br />i ~ ®5 <br />SECONDARY IRON DISSOLVED UG/L ~ i ~ I ~i i < 10.0 ! < 10.0, <br /> MANGANESE (DISSOLVED IUG/L ~ i ~ IS i ?2: <br />TRACE METALS MOLYBDENUM iDISSOLVED ~UG/L I ! ~ <50.0, ~ ~ <50.0 <br />iNUTR1ENTS NITROGEN (NITRATE IMG/L I i I c0.01 <br />< 0.02 <br />, <br />' <br />I (NITRITE CMG/L ~ ~ <0.01 <0.02 <br /> j INO3+NO2 MG/L i ~ <O.OIi <0.02 <br /> ,PHOSPHATE ORTHO-DI55 IMG/L I I ~ 0.01 ' 0.05 <br />EXCEL: I:\Environmrn~el W HR\2000\TCC~Teblu\2000 W ells.sls <br />