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Bowie Resources Limited <br />Bowie No. 2 Mine <br />1.2001 Annual Hydrology Report <br />AW-4 Alluvial Well <br />Depth • 60' Pipe 7.12' Above Ground Top of Pipe Elevation - 5977.92' <br />Ground Water <br />1123/7996 to 327/799 327/1997 to Presets <br />Baseline operational <br />F~2[H Pararr-et@rS a22sro7 osnlrol o821ro1 12norot Min Max Avg Min Max Avg ' <br />ater Elevation (Feet} 5918 594] 5945 5952 s9v.1 s9¢3 s9m.~ s~3s s9az s9tn <br />Depth to Water (Feet) so. 0 30.9 32.7 26.6 35.6 ws +9z ss.7 ee.+ 30.7 <br />pH (Standard Units) 7.0 7.1 7.1 7.1 zo 7A zo 6.7 z3 u <br />Conductivity (umhos/cm) z9oo 3400 3300 3300 smo.o smD.o sau.o zsw.o s3m.o %asa <br />Temperature (C) 13.6 la.s 13.7 lo.s uz uz uz lo.s sss lzz <br />~~h 158ra1'iS@terS <br />Wet Chemistry MDL <br /> <br />Alkalinity as CaCO (mg/I) s27 sz+ 6z+ a+ "' >sa a' <br />Bicarbonate as CaCO (mg/I) zo 5z7 fiz+ fiz+ @+ %3 73a 629 <br />Carbonate as CaCO (mg/I) 20 MDL <MDL eMDL <MpL eMDL <MDL <MDL <br />Hydroxide as CaCO (mgA) 2D MDL <MDL <MDL <MDL MOL <Mpl eMDL <br />Chloride (mg/I) 1 193 63 fi3 63 93 193 99 <br />Conductivity (umhos/cm) 1 3210 5110 5110 5110 3x10 9190 %76 <br />Nitrate (mg/I) 0.02 0.37 0.10 0.30 0.10 <MDL izl Ozl <br />Nitrate/NRdte as N, dis. (mgA) o. oz o.37 0.10 0.10 o.m eMDL ul om <br />Nitrite as N, dissolved (mg/I) 0.01 MDL eMDL eMDL eMDL eMDL 0.00 0.@ <br />Nitrogen, ammonia (mgA) 0.05 0.31 0.39 0.39 0.39 eMDL l.l) 0.91 <br />pH (Lab Units) o. of 7.6 zs zs zs zl ze L3 <br />Hardness (mg/I) 1 lalo z6sa zfiso z6so eMDL nm 1319 <br />Phosphate (mg/1) 0.03 MDL eMDL eMDI eMDL eMDL O.RO 0.019 <br />Phosphorous, ortho dis. (mgA) o.oos o.006 MoL eMDL eMDL eMDL o.om o.Ov <br />TDS X180 C (mg/l) to z6oo s3m s33o s33D xsoo +99D 3693 <br />SAR 0.03 3.76 fi.01 6.01 6.01 <MDl 0.10 4.% <br />Sulfate (mg/q l0 1z4o 3xxD 3zzo 3xzo lzw zxo 19az <br />Metals <br />Arsenic, dissolved (mgA) D.001 MDL MDL eMDL eMDL eMDL eMDL eMDL <br />Cadmium, dissolved (mg/I) 0.003 MDL eMDL eMDL eMDL eMDL eMDL eMpL <br />Calcium, dissolved (mg/I) 0.2 263.0 %s.o %60 %s.o zw.o +96.0 3v.s <br />Iron, dissolved (mg/I) o. D1 0.02 eMDL I eMDL eMDL eMDL p.n a.u <br />Iron, total recoverable (mg/l) o. of o.30 o.v o.n o.n o.u o.9s ons <br />Magnesium, dissolved (mg/I) o.z le3.o 3s1.o 36LO 361.0 1n.o 36zo x3zs <br />Manganese, dissolved (mgA} o. oos o. 91 a.6aa I o.6n o.6a MoL 3szo a.66s <br />Manganese, total rec. (mgA) o. oos o.7s Dsm o.6xo oszD a.zso L.+]0 o.ros <br />Mercury, dissolved (mgA) 0.0002 MDL eMDL I eMDL eMDL eMDL eMOI eMDL <br />Selenium, dissofved (mg/I) 4 ~ 002 MDL eMDL i eMDL <MDl <MDt O.pR 0.000 <br />Sodium, dissolved (mg/I) 0.6 3u.o 1oz.o I 3ozo 7@.0 3zl.o se+.o %so <br />Zinc, dissolved (mg/I) 0.01 MDL eMDL eMDL eMDL eMDL o.o+ O.ol <br />Required 6y current permit. <br />Baseline Information for Point AW-4 is derived from events beginning on 17/23/1996 through 3/27/1997, a period of-4 months. Point in6uenced by mining on 3/27/1997. <br />.Alluvial Wells AW-1 through AW-6 are located along the north side of Old Stale Highway 133, near the entrance to the mine. <br />MDL =Method Determination Limit BLANK =Not Tested Monitoring Point Table 110 <br />