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Bowie Resources Limited <br />Bowie No. 2 Mine Surface Water <br />2001 Annual Hydrology Report <br /> 9/30/7996 to 3/31/1997 3!31/1997 to Present <br />NFG-low North Fork-Drainage System Elev. 5660 Baseline Operational <br />FeEd Parameters o6nzrot O6f30ro7 99ro5rot Os24rot Min Max Avg Min Max Avg <br />Flow Rate (CFS) 1090.1 0.0 0. D 93.0 60.0 166.0 13zs o.D z.3soa s«s <br />Water level <br />a.ll B <br />zaD 16D 60 I 7m <br />19.6 9.3 Os +89736.+ <br /> .....r., .................................................................. <br />Lab Parameters <br /> Wet Chemistry MDL <br /> Alkalinity as CaCO (mg/I) 9s ms loo +s u3 e9 <br /> Bicarbonate as CaCO (mg4) z ss los Loo +s us e9 <br /> Carbonate as CaCO (mgA) 2 <MDL <MDL <MOL <MDL <MDl cMDL <br /> Hydroxide as CaCO (mg/I) ~ z <MOl <MDL <MDL <MDL <MDl <MOL <br /> Chloride (mg/I) 1 2 2 3 3 <MDL 4 1 <br /> Conductivity (umhos/cm) 1 zDl z4 zu lot zs9 167 <br /> Nitrate (mg/I) o. oz ppL <MOL o.ss o.m cMDL o.+s D.1+ <br /> Nitrate/NitrRe as N, dis. (mg/I) o. oz VNDL MoL D.w o.m <MDL o.+e o.1+ <br /> Nitrite as N, dissDlved (mgA) 0.01 QdDL <MOL <MDl <MDl <MDL 0.01 0.00 <br /> pH (Lab Units) o.l e.l e.o e.o e.o 7.0 9.1 76 <br /> Hardness (mg4) 1 112 s+ es es <MOL lu 73 <br /> Phosphate (mg/I) 0.03 <MDL <MDL <MOL cMDL D.os o.ol <br /> Phosphorous, ortho dis. (mgA) 0.005 <MDL 0.006 0.003 cMOL 0300 O. W.1 <br /> TDS @180 C (mgA) to lso 130 lso 190 6D 1x1 lzl <br />• TSS (mg/q 5 <MDL 6 3 <MDL 4 Il <br /> SAR 0.03 0.55 0.66 0.61 <MDL 0.~ 0.36 <br /> Sulfate (mg4) 10 30 10 7A IS <MDl ID 16 <br /> Metals <br /> Aluminum, total rec. (mg/I) o. 03 o.ID on O.IS o.os 119 o.n <br /> Arsenic, total recoverable (mgA) 0.001 0.001 <MDL ( o.ool o.aol <MDL o.oDl o.ooo <br /> Cadmium, total recoverable (mg/I) 0.003 QaDt <MDL <MDL cMDL <MDL <MDL <MDL <br /> Calcium, total recoverable (mgA) 0.2 32.3 29.fi 25.0 29.8 9J 31J ]2.5 <br /> Copper, total recoverable (mg/I) 0.2 QapL <MDL <MOL MoL <MDL <MD1 <MDL <br /> Iron, total recoverable (mg/I) o.ol o.ls o.l+ ov ou D.m L+B o.+1 <br /> Lead, total recoverable (mg/I) o. oa o. oo <MDL i o.oz o.ol <MOL ons D.D1 <br /> Magnesium, total rec. (mgA) o. z v.5 s.3 s.7 ss zn 7.7 +.6 <br /> Manganese, total rec. (mg/I) 0.2 0. ole o.ozl a.uo o.oso o.ol+ 0.03+ D.mo <br /> Mercury, total rec. (mg/I) 0.0002 QADL <MDL <MDL <HDL <MDL <MOL <MDL <br /> Molybdenum, total rec. (mg4) 0.01 <MDL cMDL cMOL <MDL MDL <MDL <br /> Selenium, dissolved (mg/I) 0.001 QapL <MOL <MDL <MDL <MDL cMDL <MDL <br /> Sodium, dissolved (mg/I) 0.3 us ~ lze Iza 3.o zzn Ix.o <br /> Zinc, dissolved (mg/I) o.ol o. of o.ox o.03 o.ox MDL o.ox o.01 <br /> Organic Analysis <br /> Oil and Grease, total rec. (mgA) 2 MDL i <MDL <nDL <MOL <MDL <MDL <br />Required by current pemtiC <br />/ <br />Baseline Information for Point NFG-low is dedved from events beginning on 9/30/1996 through3/31/1997, a pedod of -6 months. Point influenced by mining on 3/31/1997. <br />Field Parameters, except flmw, for 7ha Lower North Fork of The Gunnison River are taken on the river approxima7ely 1,500' f3ebv6 the con6uence of Terror Creek and the <br />North Fork o! the Gunnison. Flow data for the North Fork of the Gunnison duet is obtained from the USGS from a website . This Oow reading is obtained telemetdcally from <br />a station near Somerset, CO and is reflective of upper stream flows only. <br />MDL=Method Determination Limit BLANK=Not Tested Monitoring Point Table 83 <br />