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Bowie Resources Limited <br />Bowie No. 2 Mine <br />•2000 Annual Hydrology Report <br />DH-49 B Gulch -Drill Hole <br />Depth - 324' Pipe 0.7' Above Ground <br />ToD of Pipe Elevation - 7203.4' <br />Ground Water <br />6/12/1996 to 3/30/7997 3/30/7997 to Present <br />Baseline Operational <br /> 06/07100 06121/00 09rz6100 17/06/00 Min Max Avg Mln Max Avg <br /> W ater Elevation (Peep 7056 nm 7ou 70+7 7013.6 71oz.s 7ose.z 7o47.s 7zo].+ ]086.9 <br /> Depth to Water (Feet) 147.7 0.0 152.5 155.9 100.8 189.8 145.2 0.0 155.9 116.5 <br /> pH (Standard Units) 7-+ 7.6 7.s 7.s 7.1 7.s 7.] 6.9 7.6 7.7 <br /> Conductivity (umhos/rrr3) 3zpo 7zoo 3soo 3700 lz2o.o 3zoo.o 1869.1 lt4o.o 3700.0 2399.] <br /> Temperature (C) 11.9 12.2 12.0 11.8 10.0 1J.5 11.9 L0.8 11.2 11.8 <br /> Wet Chemistry MDL <br /> Alkalinity as CaCO (mgA) 1200 14]0 496 1090 839 496 1910 966 <br /> Binarbonate as CaCO (mgll) 20 1200 1430 496 1090 834 496 1430 966 <br /> Carbonate as CaCO (mg/I) 20 <t-iDL <PIDL <MDL <t~mL <Na3L <FII1L <t4DL <NmL <br /> Hydroxide as CaCO (mgll) 20 <[~L <I4DL <6Il)L <FIDL <6IDL <f4DL <t~L <MOL <br /> Chloride (mg/I) 1 is 17 14 16 is is 20 17 <br /> Conductivity (umhoslcm) 1 312D 7260 1250 297D 2023 1160 1390 2316 <br /> Nitrate (mgA) 0.02 1. JB 2.79 0.61 1.4] 0.98 0.41 2.39 1.09 <br /> Nitrate/NiVite as N, dis. (mg/I) o. oz l.se z.se 0.63 l.se l.za o.+1 3.72 1.a4 <br /> Nitrite as N, dissolved (mg/I) o.ol 0.20 0.19 <tADL 0.39 0.11 <6mL o.za D.os <br /> NiVOgen, ammonia (mgll) o.DS +. ss <t4nL 0.14 3. BO 1.9s <t~mL s.oo z.le <br /> pH (Lab Units) o. of 7.s 7.s 7.1 7.7 7.9 7.3 7.s 7.+ <br /> Hardness (mgA) 1 <rroL 34 491 300 <o-mL 463 zn <br /> Phosphate (mgA) 0.03 <I+mL 0.07 <I~1DL <PIDL <DII)L <nmL 0.070 o.ols <br /> Phosphorous, ortho dis. (mg/I) 11.005 <t10L 0.025 <PIDL <t4DL <NmL <t~L 0.025 0.009 <br /> TDS @180 C (mg/I) 10 2170 2300 790 1790 1197 700 2310 1571 <br /> $AR 0.0] 19.90 2i.00 0.39 ]2.60 5.20 2.71 23.50 12.28 <br /> Sulfate (mg/I) 10 530 SBO 216 470 l62 100 580 ]9B <br /> Metals <br /> Arsenic, dissolved (mgll) D.Dal <,NDL <r4nL <t-roL 0.002 0.001 <t-1DL o.ool o.ooa <br /> Cadmium, dissolved (mgll) 0.003 <t-0)L <MmL <l1DL <t4DL <!II)L <DII)L <t~L <PIDL <br /> Caldum, dissolved (mgll) 0.2 +9.9 47.9 11.0 100.0 62.2 46.0 98.9 68.0 <br /> Iron, dissolved (mg/I) D.ol o.J7 0.10 o.os l.lD 0.41 <DIDL o.]7 0.11 <br /> Iron, total recoverable (nxyl) D.al s.3e 4.00 o.2o zs.4D 1z.+3 0.61 lD.+o +.2s <br /> Magnesium, dissolved (mg/I) o.z 33.7 33.'1 1.6 se.6 3s.1 3].z sz.9 az.D <br /> Manganese, dissolved (mgA) o.oos o.3z 0.17 <,NDL o.los o.D3e <+mL o.17D o.DSs <br /> Manganese, total rec.(mg/I) D.ocs o.z9 0.36 0.007 D.3oe 0.190 «1DL 0.613 0.242 <br /> Mercury, dissolved (mg/I) 0.0002 <t-II)L <I+0)L <f'mL <I+~L <t40L <r-1DL <PIDL <t~IDL <br /> Selenium, dissolved (mgA) 0.001 <t-1DL <t~L <!IDL 0.007 O.OOI <[~L 0.006 0.002 <br /> Sodium, dissolved (mgA) 0.6 7)2.0 794.0 5.2 SS6.D 230.7 109.D 845.0 4'11.0 <br /> Zinc, dissolved (mall) D.ol <cvL <nOL <t~L D.ol D.oD <t4DL o.ol o.oo <br />Required by current permit. <br />Baseline Information for Point DH-49 is derived rmm events beginning on 6/12/1996 through 3130/1997, a period of -21 months. Pont influenced by mining on 3/30/1997. <br />nil Hole 49 (DH49) is located just above the Slovens Dew road appro><imately 1,000 reel souNwest of Ne mine portals. It is aaessetl by the Stevens Draw road. <br />MDL =Method Determination Limit BLANK =Not Tested Monitoring Point Table 95 <br />