REP17604

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 5/2/2001
• Doc Name: 2000 ANNUAL HYDROLOGY REPORT PART 3 A OF 4
• Annual Report Year: 2000
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Bowie Resources Limited
Bowie No. 2 Mine
2000 Annual Hydrology Report
Deer-U Canal -Dear Trail Ditch
Surface Water
&14/1995 to 3/30/1997 3/30/1997 to Present
Elev. 5960 Baseline Operational
04126100 06120100 O9/29100 12118100 Min Maz Avg Min Max Avg
Flow Rate (CFS) 1 .4 ]. s z.9 2. z D.0 e.o z: zn.e +.e x.+
Water level
pH (Standard Units) 9.0 B.9 9.7 a.2 6.+ 9.1 8.5 a0 9.l 0.1
Conductivity (umhos/cm) 100 190 220 2011 A 6fi0 I06 A x00 I90
Tempereture (C) e.9 20.7 lo.s 1.2 o.e m.l ue Lx m.] m.l
•pissolved Oxygen (mgA) e.fi 9.9 e.3 e.9 0.00 ].m l.s: fi.9o to.to e.fis

Wet Chemistry MDL
Nkalinity as CaCO (mg/I) lz3 139 n m n m t« us
Bicarbonate as CaCO (mgA) z us 139 s) m n fio I« to
Carbonate as CaCO (mgA) 2 ] <MDL <M0. <MDL <M0. <M0. ] t
Hydroxide as CaCO (mg/l) 2 <MDL <MDL M0. <M0. <M0. MDL <M0. MDL
Chloride (mg/I) 1 1 z <noL 3 x <MDL x t
Conductivity (umhos/cm) 1 2zz z41 tea ns t+e st9 :99 xn
Nitrate (mg/I) o.oz o.04 o.s] <MDL o.oJ a.m <MDL o.e) D.tz
Nitrate/Nitrite as N, dis.(mgA) o.oz o.04 o. e7 <MOL o.m o.ax <MCl 0.e) a.tx
Nitrite as N, dissolved (mgA) o. of <MOL <MmL <Mlx o.0z o.ot <MDL o.ot o.m
pH (Lab Units) 0 ~ 1 9.3 7 . e )~6 B.t ).0 ).fi r.3 ).9
Hardness (mgR) 1 97 e7 +x « fit Ma Ix0 n
Phosphate (mgll) 0.03 cMOL <MDL cM0. O.m o.Ot <MDL 0.0] 0.00
Phosphorous, ortho dis. (mgA) o.oos o.006 oboe <nlx o.ot) a.ota <Ma a.ota o.0m
TDS X180 C (mg/q l0 130 1so s0 ts0 too ioo Im In
TSS (mg/I) s 14 lz Ma n zs <Mlx w to
• SAR D. a3 D.fis o.7s D.r o.fiz D.n MDL D.]s o.w
Sulfate (mgA) lb <eroL zo <M0. m to <Md. :o s
Metals
Aluminum, total rec. (mg/I) 0.03 0.17 0.3o ax+ Ln Lw o.oe zol o.se
Arsenic, total recoveable (mgA) o.ool <wL o.om <M0. amt o.am <MOL a.abt a.DOo
Cadmium, total recoverable (mgll) o. 003 <MOL <r~roL <MOL Mlx MDL MDL <n0L MDL
Calcium, total recoverable (mgA) 0.2 24.3 3z . s us x6s n.x ta] lzs n.)
Copper, total recoverable (mg/I) 0.2 <MOL <MDL <M0. <M0. <M0. <M0. <M0. <M0.
Iron, total recoverable (mg/I) 0.01 O.10 0.91 a.JO t.0fi Lt9 a.xJ t.b 0.55
Lead, total recoverable (mgA) 0.04 <MDL cMOL cM0. <M0. <MDL <M0. 0.06 O.OI
Magnesium, total rec. (mgA) 0 ~ 2 6.7 7.6 l.0 6) +.+ 3.B 0.0 6.5
Manganese, total rec. (mgA) 0.2 0.034 0.016 OAl] 0.011 OA2] O.am OAN O.Om
Mercury, total rec. (mgA) 0.0002 <t+pL <MmL <M0. o.Omx emOt cM0. <M0. cM0.
Molybdenum, total rec. (mgA) 0. of cMOL <MDL <M0. <M0. <M0. <MDL <M0. <M0.
Selenium, dissolved (mgA) 0.001 <MOL <MDL cM0. <MOL <M0. <MDL cM0. <M0.
Sodium, dissolved (mgll) 0.3 13.6 3e.0 3.fi D.0 ).L 5.2 3Lt il.)
Zinc, dissolved (mg/I) 0.01 <MOL <MOL 0.01 a.Ol 0.01 cM0. 0.02 0.00
Organic Analysis
Oil and Grease, total rec. (mg/I) 2 cMOL <DIDL <M0. cN0. <M0. cM0. cM0. <M0.
'Dissolved Oxygen is reported for the Deer Trail Difch only.
Required by cunenr permit.
Baseline Information far Point Deer-up is tlerivad from events beginning on 6/14/1995 through 3/30/1997, a period of -21 months. Point influenced by mining on 3/30/1997.
The upper end of the Deer Trail Ditch is monitoratl at the heatlgate located on Hubbard Creek. This monitoring point is ftted with a 2' Parshall Flume.
MDL=Method Determination Limit BLANK=Not Tested Monitoring Point Table 74