REP11206

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 7/26/2002
• Doc Name: 2001 Annual Hydrology Report 2nd Half
• From: J.E. Stover & Associates
• To: DMG
• Annual Report Year: 2001
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Bowie Resources Limited
Bowie No. 2 Mine
•2001 Annual Hydrology Report
DH-49 B Gulch -Drill Hole
C3rcauncl ater
6/12/1895 to 3/30/1997 3/30/1997 to Present
vcpu~ - acY riyc vP v ryc - .. .... .. M.......... ~...
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_ oavml o6n7mt oa/zaol 1vlvot Min Max Avg Min Max Avg
Water Elevation (Feet) 7203 7020 7011 7001 >013.6 noz.6 ]os6.z ]000.] ]203.9 ]061.0
Depth to Water (Feet) o.0 193.5 152.9 202.7 loos les.e 19s.z o.0 202.1 1]za
Conductivity (UmhOa/Gm) 3900 3700 3700 luo.0 3zao.0 16fi9.1 1190.0 3]ao.0 z699.a
Temperature (C) 15.2 15.9 11.9 10.0 13s lls lo.a 1s.9 lz.z
1
La Paranie""'tarsi,
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Wet Chemistry MDL
Alkalinity as CaCO (mg/p le6o 996 1090 639 996 1660 lofts
Bicarbonate as CaCO (mg/I) 20 1860 996 ]090 834 996 1860 3065
Carbonate as CaCO (mg/I) 2D <MDL <M0. <MCL <MOL <MCL <MCL <MOL
Hydroxide as CaCO (mg/I) zD <MDL <MCL <MCL <MOL <MCL <MCL <Mnl
Chloride (mg/I) 1 l9 a lfi ]s is zo v
Conductivity (umhos/cm) 1 Selo lzso zn0 2023 n6o 3fi10 Nfi0
Nitrate (mg/I) 0.02 3.51 O.fi3 1.43 0.96 0.91 3.51 1.36
Nitrate/Nitrite as N, dis. (mg/I) 0.02 4.07 0.63 .1.98 1.26 0.41 9.W 1]3
Nitrite as N, dissolved (mg/q 0.01 0.56 <MOL 0.39 0.1] <MDL 0.56 0.19
Nitrogen, ammonia (mg/I) 0.05 2.13 0.14 3.80 1.95 <MDL 5.00 2.1]
pH (Lab Units) o.ol e.o zl v >.+ ]3 s.o zs
Hardness (mg/q 7 233 39 991 300 <MDL 963 219
Phosphate (mg/I) 0.03 0.14 <MCL <MCL <MCL <MDL 0.190 0.029
Phosphorous, ortho dis. (mg/I) 0.005 0.098 <Mp. <MOL <MOL <MCL 0.090 0.013
TDS @180 C (mg/p l0 2480 J90 1]90 139] ]00 2400 16)3
SAR 0.03 25.70 D.39 1x.60 s.zo 231 22.10 13.n
Sulfate (mg/I) 10 630 216 9]0 362 lm 630 423
Metals
Arsenic, dissolved (mg/p 0.001 0.001 <MDL o.a0z 0.001 <MDL o.om 0.000
Cadmium, dissolved (mg/I) 0.003 <MDL <MDL <MDL <MDL <MOL <MOL <MDL 'i
Calcium, dissolved (mg/I) 0.2 91. fi 11.0 100.0 62.2 9t.fi 98.9 65.1
Iron, dissolved (mg/p o.ol l.lz o.os l.l0 0.91 <MOL l.lz o.z:
Iron, total recoverable (mg/I) o.ol 5.11 o.zo 29.90 1x.93 0.61 ]0.90 9.A
Magnesium, dissolved (mg/q o. z 31.4 1.6 56.6 35.1 31.9 sz.9 90.9
Manganese, dissolved (mg/I) 0.005 o.zz <MDL o.los 0.036 <MDL 0.220 0.019 i
Manganese, total rec. (mg/p o. oos 3.01 o.ao] 0.306 O.l9o <MOL 3.010 assn
Mercury, dissolved (mg/p 0.0002 0.0005 <MOl <MOL <MOL <MDL o.aoos 0.0001
Selenium, dissolved (mg/p 0.001 <MDL <Mq. 0.001 0.003 <MDL o.a0s 0.002
Sodium, dissolved (mg/I) 0.6 991. o s.z sss.o 230.1 ]09.0 691.0 520.1
Zinc, dissolved (mg/I) 0.01 0.09 <MOL o.ol 0.00 <MOL 0.09 0.01
Required by current permit.
Baseline Information for Point OH-09 is tlerived from events beginning on 6/12/1995 through 3/30/1997, a pedod of -21 months. Point influenced by mining on 3/30/1997.
rill Hole 49 (DH-08) is located just above the Stevens Draw road approximately 1,000 feet southwest of the mine portals. It is accessed by the Stevens Dew roatl.
MDL =Method Determination Limit BLANK =Not Test Monitoring Point Table 94