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Bowie Resources Limited <br />Bowie No. 2 Mine <br />2000 Annual Hydrology Report <br />DH-25 C Gulch -Drill Hole <br />• <br />Surface Water <br />6/17/1995 to 3/30/7997 3/30/1997 to Present <br />Elev. 7144.77 Baseline Operational <br /> 05!01/00 06/27/00 09/46100 17/06100 Min Mat Avg Min Mat Avg <br />Flow Rate (gpm) o.o o.o o.o o.o o.o o.D o.o o.o o.o 0.0 <br />Water level <br />pH (Standard Units) ].] e.o ].9 ].e 6.6 ].9 ].s 7.a e.o ].] <br />DOndUCIIVIty (Umh05/Ctrl) 9900 4800 x900 5000 0800 5693 5176 9600 5000 990] <br />Temperature (C) 16.5 16.8 1].0 1].2 15.6 20.2 3].9 11.9 18.9 16.'1 <br />Wet Chemistry MDL <br />Alkalinity as CaCO (mg/I) 2sa7 sD6o 173o zaeD zzoJ zsao Soso z931 <br />Bicarbonate as CaCO (mg/I) 2 z4]o solo 1770 zaso z2o3 z4]o saso z9z1 <br />Carbonate as CaCO (mgA) z ]] <XD)L <l~u <XmL <MDL <rroL n lD <br />Hydroxide as CaCO (mgA) 2 <!mL <MDL <I~L <MDL <PoDL <t-II)L <MDL <MDL <br />Chloride (mg/I) 1 lOl 99 99 110 10] ]] 30] 9] <br />Conductivity (umhoslcm) 3 4990 9900 91]0 0910 4698 4990 46]0 9506 <br />Nitrate (mg/I) 0.02 0.97 0.09 <t~mL 0.08 0.04 <t-mL 0.57 0.10 <br />Nitrete/Nilrite as N, dis. (mgA) o. oa o.61 0.04 <MOL o.oe o.oa <t4DL o.61 0.11 <br />Nitdte as N, dissolved (mgll) 0.0] 0. Da <TIDL <MDL <19DL <l'ICL <ND)L 0.09 0.0] <br />pH (Lab Units) o.l e.l e.l ].s B.1 7.9 ].e e.J e.o <br />Hardness (mgfl) 1 <MnL so lzl 30] <!IDL loa s6 <br />Phosphate (mgA) 0.03 o.os o.aa o.]z z.zo o.6B <MaL o.sz o.zo <br />Phosphorous, ortho dis. (mg/I) o. oos o.ole o.las o.040 0.]09 o. z21 <nvL o.l]o o.loo <br />TDS Q780 C (mg/I) 10 3050 3020 2960 J2B0 7177 2200 3100 2918 <br />TSS (mgq) 5 <NmL <MDL <MD)L <t4DL <t-IDL <MDL <IaDL <br />SAR 0.03 64.90 50.10 51.50 59.60 55~a0 04.20 ]B. BO 59.56 <br />Sulfate (mg/I) 10 l0 <Dff)L 200 600 428 <DIDL 140 99 <br />Metals <br />Numinum, total rec. (mgll} 0.03 <fmL <l10L <DIDL <twDL <nroL <r9DC <~L <br />Arsenic, total recoverable (mgA) o.ool o. ooz o.ooz <t~mL o.0oz o. ool <t40L o.003 0.001 <br />Cadmium, total recoverable (mg/I) o. ooJ <MmL <AIDL <nmL <~L <nmL <I4DL <nvL <~L <br />Caldum, total rearverable (mgll) o.z la.z 13.] 14.1 la.s 16.3 lJ.z z1.9 ls.s <br />Copper, total recoverable (mgll) 0.2 <t40L <MOL <t40L <MDL <hff1L <DII)L <I4DL <br />Iron, total recovereble (mg/I) 0.01 48.90 13.00 0.54 1.63 1.03 0.5'1 98.90 11.41 <br />Lead, total recoverable (mgll) 0.04 <MOL <t•1DL <t~OL <t~L <t-10L <MDL <MOJL <br />Magnesium, total rec. (m9A) 0.2 ~ 9.7 11.6 13.2 18.4 16.1 B.1 16.0 13.0 <br />Manganese, total rec. (mgA) 0.2 2.680 0.590 0.040 10.1191 0.056 0.0]0 2.680 0.559 <br />Mercury, Total rec. (mg/l) 0.0002 <MDL <t4DL <t~II)L , <MDL <MDL <MCL 0.0012 0.0002 <br />Molybdenum, total rec. (mg/I) 0.01 <MpL <t~mL ~ <MOL <t~L <MDL <PIDL <MDL <br />Selenium, dissolved (mgA) o.aol o.ool <MDL <rmL ~ <rmL <t-IDL <l1DL o.ool o. ooo <br />Sodium, dissoved (rttyl) 0.3 12eo.o 1030.0 lzaa.o 1]3o.D lz9z.s eae.o 19ao.a lzez.3 <br />7~nc, dissolved (mg/l) 0.01 <PIDL 0.07 <r~mL <PIDL <I~L <!II)L 0.20 0.03 <br />Organic Analysis <br />Oil and Grease, total rec. (mgn) z <NmL <r~toL I «vL <nroL <t~roL <MOL <MDL <br />Requiretl by current permit. <br />Baseline Information for Point DH-25 is derived Imm events beginning on 6/12179951hrou9h 3/30/1997, a period of -21 months. Point InOuence0 by mining on 313011 9 9 7. <br />.OH-25 (Drill Hole 25) is iocateo immediately above the mina portals on a southern (acing slope at the end of an old coal e:ploradon road. <br />MDL =Method Determinatlon Limit BLANK =Not Tested Monitoring Point Table 91 <br />