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Bowie Resources Limited Bowie No. 2 Mine • 2001 Annual Hydrology Report AW-1 Alluvial Well Depth - 120' Pipe 7.05 Above Ground Top of Pipe Elevation - 5977.76' Ground Water 1123/1996 to 387/199 3!17/1997 to Presem Baseline Operational Field Faral'tletef5 ~~ ov26ro1 o6n 1ro1 oS21ro1 1v1oro1 Min Max Avg Min Max Avg (Feet) Water Elevatlon 59x1 s912 6909 5893 se9sA s9oz9 s9ols se9z.6 s93a.3 s9uz Depth to Water (Feet) ]6.8 66.1 6e.s a9.6 69.9 sz.D ]s9 q3.4 esz sss pH (Standard Units) ] • a ] • a ] • 3 ].3 ].3 ].3 ]z ]z z9 u Conductivity (umhos/cm) sloo szoo a]oo ]soo s9oo.o 99roo e9mo s3oD.D 9oco.o nn.] Temperature (C) 12.a 13.z 14.2 lo.e loz loo loz 9e lqz u.l Lati Parame~er5 ,:,: Wet Chemistry MDL Alkalinity as CaCO (mg4) s]1 6s7 6n fin 3s1 bas saz Bicarbonate as CaCO (mg4) 20 sn 6n fin 6n 3s1 6K sox Carbonate as CaCO (mg/I) 20 Q4DL <MDL <MDL <MDl <MDL <MDL <MDL Hydroxide as CaCO (mg4) 20 Q4DL cMOL cMDI <MDL <MDL <NOl <MDl Chloride (mg/I) 1 90 » » » >e 198 n Conductivity (umhos/cm) 1 ]lzo ]9eD »eo »eo 38tl Flo ssu Nitrate (mg/I) 0.02 0. ]4 9.» 9.A 9.A OJ9 9.40 9.ll Nitrate/Nitrite as N, dis. (mg4) o. oz o. ]4 s.» s.» s.» D.]q s.4o a.ss Nitdte as N, dissolved (mg/I) 0.01 QMDL <MDL cMDL <MDL <MDL OA9 0.00 Nitrogen, ammonia (mg/l) 0.05 0.06 0.14 0.19 0.19 <MDL 0]2 0.0] pH (Lab Units) o. of ].9 ze z9 ]a ].3 9.1 ].6 • Hardness (mg4) 1 2zoo z]so nn z]w <MDL nm lug Phosphate (mg4) 0.03 o.oa cMDL <MOL <MOL <MOL 9.ov9 o.aa Phosphorous, ortho dis. (mg4) o. oos o. tits <MDL <MOL <MOL <MDL o.Ow a.ou TDS X180 C (mg/q l0 69so ]99D ~ »9D ]990 3100 ena a9n SAR 0.03 12.10 13.00 13A0 33.OD eMDI 12e0 9.69 Sulfate (mg/I) to az6o s3ro s3ro s3oo 1930 933D 3300 Metals Arsenic, dissolved (mg/I) 0.001 QMDL 0.001 0.001 OAgl <MDL <MDl <MDL Cadmium, dissolved (mg4) 0.003 Q4DL cMDL <MDL <MDL <MDL <MDL <MDL Calcium, dissolved (mg/I) 0.2 280.0 316A I 316.0 316.0 98.9 360.0 195.8 Iron, dissolved (mg4) 0.01 QgDL <MDL I cMDL <MDL <MOL 1.]6 0.19 Iron, total recoverable (mg4) 0.01 1. ]0 0.» I 0.» 0.» 039 2.01 1.19 Magnesium, dissolved (mg/I) o.z 36s.0 +]6.0 ~ +]6.0 +]6.D sszD s93.o nls Manganese, dissolved (mgA) o.oos o. oa o.osD f o.oso o.oso cMDL a.ow o.oa Manganese, total rec. (mg4) o. oos z.3] a.o6o ~ o.ou a.ofio <MDL z.3m o.q9] Mercury, dissolved (mg4) o.oooz aaoL <MDL ~ <MOL <MDL <MOL <MDL <MOL Selenium, dissolved (mg/I) o. ool o. ool D.oz6 I D.oz6 D.oz6 0.001 0.03] o.ole Sodium, dissolved (mg4) o.s lz9o.o Isn.o I ssso.o ssso.o s6e.o 1630.0 9]6.1 Zinc, dissolved (mg/I) 0.01 4MDL aMDI I <MOL <MDL <MDL 0.03 0.03 Required by current permit. I .Baseline Informalien for Point AW-1 is derived from events beginning on 11/23/19961hrough387/1997, a pedod of-4 months. Point influenced by mining on 3/27/1997. Alluvial Wells AW-1 Through AW-6 are located along the nanh side of Old State Highway 133, near the entrance to the mine. MDL =Method Determination Limit BLANK= Not Tested Monitoring Point Table 104