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Bowie Resources Limited <br />Bowie No. 2 Mine <br />2000 Annual Hydrology Report <br />• <br />• <br />C-Gulch-lo Drainage System <br />Surface Water <br />2(18/1995 to 3/30/1997 3/30/1997 to Present <br />Elev. 5960 w~ vu.. n.. .~ <br /> tW261a0 06120!00 09!28!00 12/19100 Min _-_Max Avg Min r Max .Y. Avg <br />Flow Rate (gpm) 3T.s s.o z.s o.3 0.0 0.0 0.0 0.0 3T.s 3.6 <br />Water level <br />pH (Standard Units) T.o 7.s T.6 e.o T.o e.9 e.l <br />Conductlviry (umhos/cm) sso zloo 2aoo a3oo ssn saoo 1757 <br />Temperature (C) ls.o 1T.z e.6 1.0 o.z 1e.6 lo.a <br /> <br /> <br />Wet Chemistry MDL Thm b n° 4D ~n~lpla br <br />Nla p°Inl tlu~ b 1°w 11°wt <br />°rw".. I.vI tl°""°ml. <br />gdotl. <br />Alkalinity as CaGO (mg/I) 562 562 all 608 516 <br />Bicarbonate as CaCO (mgA) 2 562 562 4]] 60B 516 <br />Carbonate as CaCO (mgA) 2 <PII)L <PIDL <taDL <I~L <r~L <br />Hydroxide as CaCO (mg/I) 2 <t~IDL <faDL <MmL <DfOL <PIIJL <br />Chloride (mg/I) 1 T9 210 sa 210 BT <br />GOr1(tUCtlVlty (UmheS/Cln) 1 9100 3650 2560 9700 aea0 <br />Nitrate (mg/I) o. oz 1.9e 1.59 o.os lz.ao z.lo <br />Nitrete/Nitrite as N. dis. (mg/I) o.oz z.o6 1.70 o. os 12.ao 2.13 <br />Nitrite as N, dissolved (mgll) o.ol o.oe o.ll <PmL P.11 0.03 <br />pH (Lab Units) o.l e.s T.e 7.s e.s e.o <br />Hardness (mgA) 1 39'10 1690 <r1DL 39]0 1928 <br />Phosphate (mgA) 0.03 o.zs o.22 <PIDL o.2s o.os <br />Phosphorous, ortho dis. (mgA) o.oos o. oel 0.073 <nmL o.lo0 0.039 <br />TDS Q180 C (mgfl) 10 3'150 ]800 1980 9'150 a898 <br />TSS (mg/I) 5 a9 1B <t~L 1290 226 <br />$AR 0.03 10.30 5.27 <t~mL 10.10 1.a9 <br />Sulfate (mg/I) 10 6460 1890 1030 6460 2871 <br />Metals <br />aluminum, total rec. (mgA) 0.03 <t-roL o.3e <tmL 7.70 1.eT <br />Arsenic. total recoverable (mg/I) o. ool <rmL <r1DL <nroL 0.003 0.001 <br />Cadmium, total recoverable (mgA) o. 003 <t-vL <FIDL <rmL <nvL <~L <br />Calcium total recoverable (mgA) o.z 329.0 306.0 lza.o 36a.o 269.7 <br />Copper, total recovereble (mg/I) 0.2 <tdDL <HDL <MD)L <t~L <PIDL <br />Iron, total recovereble (mgfl) 0.01 0.17 0.3] O.OT 9. TO 2.2a <br />Leatl, total recoverable (mgA) 0.0a <r~L 0.00 <~1DL 0.00 0.00 <br />Magnesium, total rec. (mgA) 0.2 770.0 282.0 140.0 770.0 399. a <br />Manganese, total rec. (mgA) o.z o.030 o.oao <~roL o.lso 0.073 <br />Mercury, total rec. (mg/I) 0.0002 <rmL <o-roL <1~L o.oocz o.cooo <br />Molybdenum, total rec. (mgll) o, 01 <l1DL <lroc <nmL <nroL <r~L <br />Selenium. dissolved (mgA) o.ool o.lzo 0.003 o. ooz o.120 o.ole <br />Sodium, dissolved (mg/I) 0.3 1460.0 99:.0 298.0 1x60.0 656.9 <br />Zinc, dissolved (mgll) 0.01 <t-II)L <FII)L <t~IDL 0.06 0.02 <br />Organic Analysis <br />Oil and Grease, total rec. (mgA) z <PIDL <nroL <I~mL +7 '+ <br />Required by cunenr permit. <br />Baseline Information for Paint C-Gulch-lo is denvad /tom events beginning on 2/28/1995 through 3/30/1997, a pedotl o1-25 nanths. Point influenced by mining on 3/30/199 <br />~he Lower C Gulch monitoring Point is lust above Sediment Pond C. All C Gulch flow is con Wined in Pond C. This point e><hib"ed no flows before the construction of the <br />ine. The mine consUUCtion and now the mine operation provitle flow b this gulch. <br />MDL =Method Determination Limit BLANK =Not Tested Monitoring Point Table 62 <br />