2011-03-14_REPORT - C1981022 ‎(3)‎

• Permit No: C1981022
• IBM Index Class Name: Report
• Doc Date: 3/14/2011
• Doc Name: 2010 AHR Exhibit 2
• From: Oxbow Mining, LLC
• To: DRMS
• Annual Report Year: 2010
• Permit Index Doc Type: Hydrology Report
• Email Name: MPB
• Email Name: SB1
• Media Type: D
• Archive: No

MONITORING DATA FOR 2010 AHR
GROUNDWATER LOCATION: SC-3
Date Time DEPTH Field pH Field Cond Tem NH3 HC03 C03 pH Cond CI N03/N02 S04 TDS TSS P04 A Cd

3251998
1 s Ca Fe-Tr F"is Mnd Mntr Mg Hg Se Na Zn
426 8.3 1100 12
9/9/1997 1423 7.6 1200 15
62411997 141.8 7.8 920 17 -
6/2411997 0.5 470 -1 7.47 990 25 1.6 107 630 0.36 0.006 -0.005 51.9 112 0.03 0.096 0236 192 -0.00020
005 160
312W1997 143 7.4 1000 15 .
12J1711996 143.8 79 1170 10
12/1711996 0.62 560 -1 7.48 1140 75 0.02 70 710 -0.01 -0.002 -0.005 47.8 11.1 -0.005 0.022 0267 17.9 0.0002 -0
002 167
9179/1996 142.2 7S 1000 15 .
6/10/1996 141 7.5 a80 16
6110/1996 0.96 470 -1 7.45 979 6 0.05 94 710 0.02 -0.002 -0.005 55.1 4.46 -0.01 0.140 0.173 22.5 -0.00020
002 180
3/1911996 8:13 143.167 7.7 1010 12 .
121&1995 10:18 1.5 481 -1 7.52 910 12 0.04 560 -0.01 -0.005 -0.005 465 3.75 0
02 0
120 18
0 17
0

IM1995
10:18
1429
7.7
930
13 . . . -
.0002-0.005 150 0.067
9/611995 1327 1422 7.5 1000 15
601995 M57 141.667 7.4 880 13
601995 1057 0.45 412 -1 7.47 950 16 0.06 590 -0.01 -0.002 -0.005 52.4 5.04 -0.005 0.124 0.18 21.3 -0.00020.006 193 -Q005
311511995 12:33 142.75 7.3 1020 15
12/7/1994 10x7 1.2 530 -0.5 7.57 1000 16 0.1 660 0.02 0.035 -0.005 49 212 0
02 0
100 1
0

127711994
10x7
148.5
8.6
1000
12 . . . 19.4 -0.00020.007 160 0.008
911&1994 1129 143 7.7 950 16
62911994 11:00 0.8 510 -1 7.55 1130 51 0.04 720 -0.01 -0.002 -0.005 56 19 -0.02 150
0 0
35 20 -0
0002-0
002 160
00
0

629/1994
11:00
158
8
1200
16 . . .
.
.
-
5
428/1994 14:10 142 82 1200 17
3131/1994 10.04 142 7.9 1300 19
391/1994 10:04 0.61 380 0 7.70 1197 14 746 688 -0.005 -0.001 -0.005 70 11 11
0 0
170 28

11/1011993
9:15 . . -0.0002-0.001 149 0.02
7.60 650 680 95
11/10/1993 9:15 9.1 1200 11
8/3W1993 11:45 0.7 456 0 7.90 1020 10 0.05 566 570 -0.005 -0.001 -0.005 48 13 0
58 130
0

890/1993
11:45
142
8.4
930
15 . . 19 -0.0002-0.001 145 0.1
7/1/1993 12:00 141 8 920 17
7/1/1993 12.00 0.6 386 0 7,50 906 8 -0.02 568 364 -0.005 -0.001 -0.005 54 11.6 0.38 0.170 21 -0.00020
001 132 0
12
4/30/1993 1220 140.75 7.6 850 15 .
.
390/7993 9550 071 416 28 8.60 866 17 -0.02 566 1840 -0
005 -0
001 -0
005
.
. . 49 42 0.02 0.130 19 0.0008 -0.001 143 -0.01

" Oxbow M ring, LLC,EUr Caeek Mine
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