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Bowie Resources Limited r1 L_J Bowie No. 2 Mine Hydrologic Monitoring Data (1997 - 1999) NFG-uD North Fork -Drainage System Surface Water • 9/30/1996 to 3131/1997 3/3111997 to Present Elev. 5880 Baseline Operational Field Parameters ' aan, aam Doer um Dose sane mn. +me acne ease eon nee Min Max Avg Min Max Avg Flow Rate (CFS) em.o nsaz xn.o tA.a tzzo.i um.r zzso m.o un.a me.z uoa czs ec.o tm.o rsxs azs znol xwa W aler level pH (Slantlartl Units) e.i e.x es es e.• e.x m ze e.x e.~ e.x e.• e.z e.e ea ns es e~ Conductivity (umhos/cm) xm m :m rm im m :m xza rra m zm xm tm sm tm m zm rm Temperature (C) +s rxs ts.r x.o e.e r:.e m.o ss z.a u.o ra.: v as o.x ae i.• rss raa Lab Parameters ,,;:,i:;t_ R:.- Wet Chemistry MDL Alkalinity as CaCO (mgA) ~ zo m rze a tv m w es u m er Bicarhgnate as CaCO (mg/I) z n m m rze a ux m m es a m er Carbonate as CaCO (mg/I) ~ `" `" `"a <ror <a~tt `not <wr <noi <noi <noi <rax Hydroxide as CaCO (mg/I) ' `" "1°r `"OL `HDL `M°z ""°r `"or `N0L `M0L "'~ Chloritle (mgll) r <nx x <not s s z s s <no~ s x Conductivity (umhos/cm) t rm xb era no ss x tm zu zg r no xse Nitrate (mg/I) o.ox a.m am <noi o.a o.ss <na nm am aapi 7.•z ae Nitrate/Nitrite as N, dis. (mg/I) ao a.oz o.m <noi aw o.ss <noz am o.m <.ni 7.n ae Nitrite as N, dissolved (mg/I) o.os a.or <na <noi <n <i+oz <noi <r+w <r•o< <no~ o.ar am pH (Lab Units) ar +~~ +~ z• e.r x.z x.x xs e.o e.o z.z e.r r.• Hardness (mg/I) ' oe n e sr a w x• A n a sr m Phosphate (mgll) am <n aw o.o+ <no <~ <na <na <toi <rmr a.m o.ot Phosphorous, ortho dis. (mg/I) a.ms <noi aor. o.oss <n <xmi <nDr p.lxe am• <noi a.an nm+ TDS @180 C (mg/I) to m rm xo tm m tso r:a t•o tm m tm tm TSS (mg/I) s u+ a <noi s <noi <noi to sx xr <na u• n SAR o.m o.n o~+ am <na <nmt on: am a.m moi o.a: a.xz Sulfate (mg/I) ro <n ~a m xo <not ro ra m ss <no~ m u Metals Aluminum, total rec. (mg/I) o.m :.ze a.e• r.m o.u a.m o.r~ a.m nxx a.re o.m :.m o.xe Arsenic, total recoverable (mgA) o.mr nmr a.mr <sa o.mr m <uor <noi ma <na amr a.ooo Cadmium, bMl recoverable (mgfl) o.om <n <rnr <n <not <no~ <nn <noi <na moi <ru Calcium, tglal recoverable (mg/I) o.z u.r u.+ ts~ me u.z z+a n.a a.o xzs u.t ma pea Copper, total recoverable (mg/I) ax <rror <nbi <n <na <~r <npr <na <wr <na <sor Imn, total recoverable (mg/I) o.ot z.m 0.A o.at a.u o.m o.u nm am am o.n x.m am Lead, total recoverable (mg/I) o. <n <nor <na <na <ru <r+u <aa <na <ru Magnesium, total rec. (mgn) a: xs s.r :.r er :.r e.a +.r ..> ..z x.r s.t •.z Manganese, total rec. (mgA) o.z a.mx o.axs aoxx oars aors o.ota a.on naty o.ois noro o.mx o.on Mercury, total rec. (mg/p a.ooox <eto <n <nor <nor <not <na <tor <na «tot <na <eu Molybdenum, total rec. (mg4) o.or <no <n <nol w <noi <noi <.uz <na <rrox <nos <n0. Selenium, dissolvetl (mg/I) omr <noi <n <n <nor <na <aol <rmz <not <na <noe Sotlium, dissolved (mg/I) a~ s.s s.s •.e :ae ..s za.o e.a u.s rz.o s.s zs.o u.e Zinc, dissolved (mg/I) a.ar am o.m <npr <n <n o.m a.az am a.ox <ntt o.m ear Organic Analysis Orl and Grease, total rec. (mg/I) ° `" `~ `" `" <nor <r+u <na <noi <noi <ra <na Required by cunenf permit. Basaene Information for Po~nl NFG-up is derived from avenLS beginning on 9130/1996 through 3/31/1997, a period of -6 months. Point influenced by mining on 7/31/1997. • Field Parameters. eatepl Ilow, !or the Upper North Fork of the Gunnison River mon~tonng point are taken on the river just above iss mn6uente with Hubbard Creek. Flaw data far the North Fork of Na Gunnison river is obtained from the UBGS from a website http JMwx.nw~s-colo.cr.usgs.gov/historic.nunt. This Oow reading is obtained telemetnmlly Irom a station near Somerset, CO and is rallective of upper sUeam flows only. MDL =Method Determination Limit BLANK =Not Tested Monitoring Point Table 80