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Bowie Resources Limited <br />Bowie No. 2 Mine <br />Ground Water <br />• 2000 Annual Hydrology Report <br />AW-7 Alluvial Well <br />Depth - 188' Pipe 2.1T Above Ground <br />• <br />95/7999 to 9/9/1999 <br />Top of Pipe Elevation - 5950' Baseline <br /> 00/05100 ON20/00 09129/00 17/20/00 <br />W ater Elevation (Feet) 9666 Sea] se]z ses9 <br />Depth to Water (Feet) e4.3 fiz.e ]e.l 90.] <br />pH (Standard Units) ].e e.o ].9 ].e <br />Conductivity (umhos/cm) llJa 400 4JO 4so <br />Temperature (C) ll.o lJ.e 13.1 12.J <br />Wet Chemistry MDL <br />Alkalinity as CaCO (mgll) lss o <br />Bicarbonate as CaCO (mgll) 20 199 <nOL <br />Carbonate as CaCO (mgA) 20 ct4DL <DIDL <br />Hydroxide as CaCO (mgA) zo <tADL <tm <br />Chloride (mgA) 1 14 14 <br />Conductivity (umhos/an) 1 4]1 ass <br />Nitrate (mg/I) o. oz o.zo o.zs <br />Nitrate/Nitrite as N, dis. (mgA) o.oz c.zo o.z6 <br />Nitrite as N, dissolved (mgll) 0.01 <t4DL <PII1L <br />Nitrogen, ammonia (mg/I) 0.05 <t4DL <UIDL <br />pH (Lab Units) o.ol ].s ].s <br />Hardness (mgA) 1 <n1oL <br />Phosphate (mg/l) o.oJ <71oL <nroL <br />Phosphorous, anho dis. (mgll) o.oos <nvL <nvL <br />TDS @180 C (mgll) to Joo z9a <br />$AR 0.03 2.69 2.63 <br />Sulfate (mg/I) to eo so <br />Metals <br />Arsenic, dissolved (mg/I) o. ool <FIDL <t4DL <br />Cadmium, dissolved (mgA) O.OOJ <D1DL <t4DL <br />Calcium, dissolved (mgll) o.z 2e.6 3z.o <br />Iran, dissolved (mg/I) o.ol 0.04 0.04 <br />Iron, total recoverable (mgA) o. al ~ o.n l.ol <br />Magnesium, dissolved (mgA) o. z 11.4 11 . ] <br />Manganese, dissolved (mgA) o.oos <nroL o.03 <br />Manganese, total rec. (mg/I) o.oos o.oz o.oa <br />Mercury, dissolved (mgA) 0.0002 <rroL <Fff1L <br />Selenium, dissolved (myll) o.ool <nroL <rroL <br />Sotlium, dissolved (mgA) 0.6 66.4 6].6 <br />zinc, dissolved (mgn) e . al 0.02 0. o] <br />ReQUiretl by curtent permit. <br />9/9/1999 to Present <br />Operational <br />MIn Max Avg <br />ses9.3 see].1 se69.a <br />6z.e 9a.] ao.fi <br />].e e.l ].9 <br />3so.o llJO.c sss.o <br />ll.o lJ.a 12.] <br />ctaDL 195 94 <br /><I4DL 159 94 <br /><PIDL <PII1L <t~L <br />cMO]L <PIDL <t4DL <br />13 14 la <br />399 471 9J0 <br /><taDL 0.26 0.15 <br /><I40L 0.26 0.15 <br />cI~L <!IDL ct4DL <br /><taDL 0.10 O.OI <br />].s s.o ].a <br /><DIDL <p1DL <!IDL <br /><t4DL <DIDL ctQOL <br /><nDL cFIDL <NmL <br />200 300 263 <br />2.29 2.69 2.54 <br />90 90 ]0 <br /><MO]L <NmL <t4DL <br />cPIDL <MO]L <t~L <br />xl.s 3z.o z].s <br />o.oz o.oa o.03 <br />0.41 l.ol o.]z <br />6.3 11.] 9.B <br /><t4DL 0.006 0.002 <br />o.ozz o.on o.oa] <br />ct~L cIRDL ct4DL <br />ct~L <MG1L <t4DL <br />46.] 67.6 60.2 <br />c1ADL 0.0] 0.02 <br />There is no baseline wllec0on possible for points initiated after the influence of mining. <br />Alluvial Wells AW-7 through AW-10 are located along the south side of Old State Highway 133, near the entrance to the mine. They were installed in 1999 as the result of <br />PR-OJ. <br />MDL =Method Delertnina8on Limit BLANK =Not Tested Monitoring Point Table 113 <br />