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Bowie Resources Limited <br />Bowie No. 2 Mine <br />2000 Annual Hydrology Report <br />DH39 Stevens Draw -Drill Hole <br />Depth - 181' Pipe 1.2' Above Ground Top of Pipe Elevation - 7142.65' <br />Ground Water <br />6/12/1995 to Present <br />Baseline Operational <br /> os/ovoo oti/21/o0 o9rzuoo 1z/o6/oo Min Max Avg <br />Water Elevation (Feet) ]0]3 ]0]1 ]0]1 ]o]z ]on.z ]o]e.l ]0]a.3 <br />Depth to Water (Feet) 69.'1 69.] 69.9 ]o.s 69.6 ]o.s 6e.3 <br />pH (Standard Units) ].] ].s ].a ].o ].o ].s ].1 <br />Conductivity (umhoslcm) lzzo lzoo lzoo lzzo lzoo.o 1559.0 113z.1 <br />Temperature (C) 9.] lo.s lo.l 9.e a.l 1..3 9.e <br /> Wet Chemistry MDL <br /> Alkalinity as CaCO (mg/I) Sao 537 Sl0 603 569 <br /> Bicarbonate as CaCO (mgll) 20 sa0 Sll 530 603 569 <br /> Carbonate as CaCO (mgll) 10 <I9DL <NmL <I~L <I~mL <FIDL <br /> Hydroxide as CaCO (mgA) 20 <MmL <DIDL <F9)L <t-mL <DIDL <br /> Chlodde (ffKyl) 1 17 19 13 30 1] <br /> Conductivity (umhoslrm) 1 lzso lzlo lzlo l9]0 1113 <br /> Nitrate (mgA) o. oz o.la o.zs o. o] o.zs o.ls <br /> Nitrate/Nitdte as N. dis. (mgll) o. oz o.la o.zs o.o] o.zfi 0.16 <br /> Nitdle as N, dissolved (mgll) o. of <n1oL <PmL <r-roL <~L <NDL <br /> Nitrogen, ammonia (mgA) o.os <nvL o.z] <r1oL o.z] 0.09 <br /> pH (Lab Units) o.ol ].3 ].z ].1 ].] ].a <br /> Hardness (mgA) 1 <nroL <rroL s9z 3a] <br />. Phosphate (mgll) 0.03 <noL <rmL <r~roL o.mo o.ooz <br /> Phosphorous, orlho dis. (mg/I) o.oos o.ooe <r-IDL <rmL o.100 0.010 <br /> TDS @180 C (mg/I) to ]90 ]]o ]]0 90o ez9 <br /> SAR o.ol z.a] 3.0o z.61 3.az z.s6 <br /> Sulfate (mg/I) l0 190 1]0 1"10 260 205 <br /> Metals <br /> Arsenic, dissolved (mgA) o . ool <reoL <hlDL <FroL 0.005 0.001 <br /> Cadmium, dissolved (mg/I) o .003 <nroL <nroL <rroL <r.1oL <t-1DL <br /> Calcium, dissolved (mg/I) o.z ]z.9 el.z ]2.s es.s ]9.z <br /> Iron, dissclved (mgll) o.ol o.ll o.zl <rmL o.+s o.16 <br /> Iron, total recoverable (mg/I) o.ol 2a.90 39.30 0.10 3+.10 ll.oo <br /> Magnesium, dissolved (mg/I) o.z 6e.3 s6.s s6.s sl.m ]s.e <br /> Manganese, dissolved (mgA) o.oos <nIPL o.oz <rmL o.ozz o.olo <br /> Manganese, total rec. (mg/I) o.oos o. ]9 o.o] o.os] 0.]91 o.z39 <br /> Mercury, dissolved (mgA) m.oaoz <,<~L <tvL <lAOL <woL <nmL <br /> Selenium, dissolved (mgll) o.aol o.aol <r1oL <rroL o.009 0.003 <br /> Sodium, dissolved (mgA) 0.6 l+o.0 1+z.o llo.a :6].0 1a6.3 <br /> Zinc, dissolved (mgll) o.m <t~m <emL <twL o.az o.oa <br />Requiretl by Current permit. <br />Baseline Inlortnation Collection initialed on 6/12/1995 and not yet considered complete after monitoring rar -67 months. Point DH-39 has not been in6uenced by mining. <br />nil hole 39 (DH-39) is IoWled in Stevens Draw right neat to Dnll Hole 15 (DH-15). It is accessed by the Stevens Draw road. <br />MOL =Method Determination Limit BLANK =Not Tested Monitoring Point Table 94 <br />