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Bowie Resources Limited <br />Bowie No. 2 Mine <br />• 1999 Annual Hydrology Report <br />DH-25 C Gulch -Drill Hole <br />Dep[h - 325' Pipe 2.3' Above Ground <br />For the Period Beginning 01!0111999 and Ending 1 2131/1 99 9 <br />Ground LVater <br />Too o/ Pioe Elevation • 7794. V' <br />;Field Parameters OSI70/t999 06/79/1999 09/09H999 71/19/1999 Base Lino <br />^- Min Max Avg <br />,Water Elevation (Feeq 6929.0 6BZ9.m 6926.1 6626.3 6829.] 15B]6.l 662'1.01 6826.] <br />iDeplh to Water (Feel) <br />~ ~ n9.1 319.2 3z9.s 319.9 319.4 I-]10.1 319.9 119.5 <br />~ <br />;pH (Standard Units) i 9 ~ s 9.6 7. ~ 9.9 9. s -r.61 ~ r 9 6 <br />iConduclivity (umhos/cm) x600 a9ao asoa abo ~- suz ~ aboa 9900 4635 <br />Tempefatufe (C) 16.4 18.1 16.0 16 0 - ll.9 I 16.01 18.1. 16.6 <br />Lab Parameters <br />Wet Chemistry i <br />lAlkalinily as CaCO (mg/l) _ z6ao 2890 zzo3 36x0 ~ zeao n4o <br />~ <br />Bicarbonate as CaCO (mglp 26x0 zeao 330] '.690 zeao ~ 29x0 <br />~ <br />Carbonate as CaCO (mg1V) I ~ ~ i <br />Hydroxide as CaCO (mg/q <br />Chloride (mgA) l09 lot l09 lml l07 lax <br />iConductivily (umhoslcm) x630 aso a69a ~ aslm I x630 x570 <br />Nitrate (mgA) ~ - 0.09 <br />Nitre ate/Nitrite as N, dissolved (mg/I) 0.03 -~ - o.oe 0.03 ' o.o], 0.031 <br />!Nitrite as N, dissolved (mg/l) o.os I o.cb~l o.ob o.oc. <br />(Nitrogen, ammonia (mg/q 2.220 z.o9o~ 2.365 z.o9o~ 2.220 z.las <br />~pH (Lab UnilS) 9.9 ].B' 9.9 ]. B ].9~ ].9~ <br />.Hardness (mgfq j l09 ~ ~, I <br />Phosphate (mg/I) o.sz O. all o.6s o.al o.sr 0.x61 <br />Phosphorous, ortho dissolved (mgA) o. no m.l~ 0.221 ~ 0. 13a~ 0.190' x.1531 <br />Residue, Filterable (TDS) Q180 C (mg/ <br />~ 3100 ~ 3000 'I 3131 ~ 3000 i 31co '1 Soso ' <br />Sodium Absorption Ratio in Water aa.zo ~ 9e.ao~ 55.x0 aa.zo 98.80' 61.50 <br />~Sultale (mgll) ~ to aze lm I ip to I <br />Metals <br />'Arsenic, dissolved (mg/I) a.oo3~ 0.002 0.0031 0.003' 0.001' <br />Cadmium, dissolved (mg/p ~ 1 i ~ , <br />'Calcium, dissolved (mg/I) 15.31 zs.9' 16.1 1 15.2 31.9' 18.51 <br />Iron, dissolved (mg/I) 0.881 0.091 0.1a 0.091 0. B8~ 0.48 <br />Iron, tota{recoverable (mgll) ~ 3.091 T zi. so 1.03 3. o9i n.so; lz.2a <br />Magnesium, dissolved (mo/p I I 8.11 1s 3. 16.1 I 8.1' 15.3 11.91 <br />Manganese, dissolved (mg/p 0.050 o olo~ 0.036 0.0101 o.oso~ 0.030 <br />Manganese, tota{recoverable (mgll) o.uo~ ~ 0.910 x.056 I, o.llo~ 0.910 o.slo <br />Mercury, dissolved (mgq) , I 0.001 0.001 0.001 0.001 <br />Selenium. dissolved (mg/q ' O.ool m.aal coal o.ool <br />Sotlium, tlls5olved (mgll) ' fiae.a 19:0.0 _292.5 B:B.0 19x0.0 139x.0 <br />Zinc, dissolved (mg/I) ; o.za o.za o.zo o.zo <br />ReQuiretl by curtenl permit. <br />Baseline lnlormation ror Point DH-?5 ~s derived Irom events beginning in O6/1?119951hrough 05/01/1997. a periotl of -ZZ months <br />~H.ZS (Drill Hole ZS) is localetl immediately above the mine portals on a southern facing slope at the end o! an old coal exploration roatl. <br />Monitoring Point Table 89 <br />