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Bowie Resources Limited <br />• <br />• <br />Bowie No. 2 Mine <br />1999 Annual Hydrology Report <br />$teph-IOW Stevens Draw • Drainage System <br />For the Period Beginning 01/01/1999 and Ending 12!3111999 <br />Surface Water <br />Elev. 7000 <br />Field Parameters 05/20/1999 06/28/1999 I 119/09/1889 11/14/1989 Bas@Llne Min M3X Avg <br />jFlow Rale (gpm) o.s o.s 0.3 0.3 c.e o.3 0.9 o.s', <br />iWater level ~ <br />pH (Standard Units) ~ e.a e.z ~.s e.o s.3 1.s~ a.a a.1. <br />'Conductivity (umhoslcm) ~ izoo ilao ilao i31o 11e~ ciao 131o I 111o <br />(Temperature (C) 15.3 13.51 n.z ~.~ ].3 v.z 10.2 13. a <br />Lab Parameters <br />Wet Chemistry <br />'Alkalinity as CaCO (mg/I) say a99 6a~ ~ say ~ sa3 ; <br />~ Bicarbonate as CaCO (mg/q sa3 ~ ass say I saz I sal I <br />' CarDOnate as CaCO (mgll) ~ ' <br />Hydroxide as CaCO (mg/I) ' <br />Chloride (mg/I) 15 1s 1s 15 1s <br />Conductivity (umhos/cm) 11eo u1o ciao 11eo ~ uea <br />Nitrate (mg/I) o.vv o.q3 o.s~ o.sv o. s~ <br />NilratelNitriteasN,dissolved(mg/1) o.sv o.9~ o.so 0.9~ <br />Nitrite as N, dissolved (mg/I) I <br />pH (Lab Units) e.z e.1 6.2 e.z a.1 <br />Hardness (mgll) a33 3es 933 4JJ al3 ~ <br />Phosphate (mg/q <br />Phosphorous, ortho dissolved (mg/I) o.aa6 <br />'Residue, Filterable (TDS) @180 C (mg/, Teo ~ 030 790 zeo 1 zeo <br />Residue. NonFilterable (TSS) (mg/I) se zz se i sa se , <br />'Sotlium Absorption Ratio in Water ~ 3.1z1 z. s6 3.12( 3.zz 3.zzl <br />Sulfate (mg/q no ~ 1ao no ~ nd no . <br />Metals <br />iAluminum, total recoverable (mg/I) 1. ]1 ~ 0.1 1."111 1.n1 1.01 <br />Arsenio. total recoverable (mg/I) ~ d.oo1 o.oo1 0.001 0.001 o.oo1 <br />Cadmium, fatal recoverable (mg/I) <br />ICalcium,lolal recoverable (mg/I) ss.s 56.5 56.5 56. s~ ss.sl <br />Copper, total recoverable (mg/I) <br />Iron, total recoverable (mg/I) z.sz o.ao z.s~~ z.sr, z.s-1 <br />Lead, total recoverable (mg/I) ~ I <br />Magnesium, total recoverable (mg/I) 6s.zi ss.z 66.3 6b.11 66.1• <br />! <br />Manganese. total recoverable (mg/q q.s66~ 0.250 0.566' 0.566 <br />0.566 <br />'Mercury, total recoverable (mg/I) <br />Molybdenum, lolal recoverable (mg/I) ~ ' <br />Selenium, dissolved (mg/I) <br />Sodium. dissolved (mg/q 15z.o ~ 11a.0 1sz.o~ 1sz.o 1sz.o <br />Zinc, dissolved (mgll) ~ o.ar i o.03 0.01. a.ot o.oi <br />Organic Analysis <br />Otl and Grease, total recoverable 1 <br />Required by current permit. <br />Baseline Information for Point Steph-low is derived from events beginning in 09!27/1995 through 05/01/t 997, a period of -19 mcnrhs <br />The mon,tonng point location for Lower Stevens Draw .s located in Stevens Draw, just below Pond 1 and Spring 14. Il is accessed by a southern fork of the Stevens Draw <br />road <br />Monitoring Point Table 81 <br />