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Bowie Resources Limited <br />Bowie No. 2 Mine <br />• 2001 Annual Hydrology Report <br />AW-12 Alluvial Well <br />Oeptn - 45.3a' tlevanon - naseune <br />Meld ~$rafElet@Y5 0226ro1 06/11/01 0821ro1 12/10ro1 Min Max AVg <br />Water Elevation (Feet) <br />Depth to Water (Feet) 34.8 5. s 1s.2 33.9 a.s 3+.e z+.r <br />pH (Standard Units) 7.5 ~. ~ 9.5 1. s zs z> >s <br />Conduct'IVIty (umhoslcm) s9o slo ago 500 ma soa.D sseo <br />Temperature (C) 13.a 1a.4 ls.l 10.4 lD.+ 16.1 133 <br />Ground Water <br />122(U2000 to Present <br />operational <br />Lib Parameters <br />Wet Chemistry Mot. <br />Alkalinity as CaCO (mg4) z91 3n zsz 3n 330 <br />Bicarbonate as CaCO (mg4) 20 z99 311 mr 3n 3w <br />Carbonate as CaCO (mg/I) zo Q9DL QaDL <MDL <MDL <MOL <br />Hydroxide as CaCO (mg/I) 20 Q9DL Q+DL <MDL <MDL <MDL <br />Chloride (mg4) 1 z z z z z <br />Conductivity (umhos/cm) 1 sss so9 s+e rc9 m <br />Nitrate (mg/I) o.oz o.4s o.sl Dos osl 0.2 <br />Nit2te/Nitrite as N, dis. (mg4) o. oz o.4s o. sl oos o.n D.2 <br />Nitrite as N, dissolved (mg4) 0.01 Q+DL M. pL <MDl <MDL <MDL <br />Nitrogen, ammonia (mg7q 0.05 Q9DL Q+DL <MDL DD 0.03 <br />pH (Lab Units) o. of 0.5 0.9 ~~+ ~s ze <br />Hardness (mg/I) 1 319 31e 31e 3>e <br />Phosphate (mg4) 0.03 QaDL QapL <MDL 0.050 O.OA <br />Phosphorous, ortho dis. (mg/t) o. oos atnL o.oo'r <MOL o.ola a.aas <br />TDS X180 C (mg4) l0 310 Sao 310 390 330 <br />SAR o.03 o.sz o. sz os os D.s <br />Sulfate (mg/I) l0 10 10 la zo v <br />Metals <br />Arsenic, dissolved (mg4) 0.001 Q4DL Q4DL <wDL <MDL <wDL <br />Cadmium, dissolved (mg/I) 0.003 Q4DL Q9DL <MOL <MDL <MDL <br />Calcium, dissolved (mg4) 0.2 51.9 55.1 51.9 5'!.4 548 <br />Iron, dissolved (mg4) 0.01 0.03 24.90 O.D2 2990 8.3x <br />Iron, total recoverable (mg4) 0.01 0.05 93.90 0.05 93.A 255 <br />Magnesium, dissolved (mg/I) 0.2 33.9 ~ Q+DL <MDL 2.9 25.9 <br />Manganese, dissolved (mg/I) o. oos a9DL rnDL <M01 <MDL <MOL <br />Manganese, total rec. (mg/I) o.oos Q9DL o.sa <MDL i 2.osD o.ess <br />Mercury, dissolved (mg4) 0.0002 Q9DL Q1DL <MDL I <MDL <MDL <br />Selenium, dissolved (mgA) 0.001 Q9DL ~1DL <MDl ~ <MDL <MDL <br />Sodium, dissolved (mg/I) 0.5 19.5 u.z sss ~ ui zos <br />Zinc, dissolved (mg/p o. of o. pl Q9DL <MDL ~ o.ol o.m <br />Required by current permit. <br />f <br />Baseline Information Collection initiated on 12/20/2000 and not yet considered complete after monhodng for -t2 months. Point AW-12 has not been influenced by mining. <br />.glluvial Wells AW-11 through AW-13 are located along the north side ar Union Pacific Railroad. They were installed in 2000 to develop baseline data (or a new train Ioadaut. <br />MDL =Method Determination limit BLANK =Not Tested Monitoring Point Table 106 <br />