REP00595

• Permit No: C1981025
• IBM Index Class Name: Report
• Doc Date: 2/3/2000
• Doc Name: 1999 Annual Hydrology Report
• From: MINREC Inc
• To: DMG
• Annual Report Year: 1999
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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MINREC, INC., NORTH THOMPSON CREEK MINES
NO. 1 MINE D ISCHARGE

Fiow TSS TDS TFe TCd
Date gpm Ph Cond Temp mg/I mg/I mg/I mg/I
08/17/88 18 8.0 3900 18 <10 4140 0.15 <0.0007
8/24/88 17 8.0 4100 18
9/1/88 16 8.3 4000 15 <10 2720 0.35 <0.0007
9/8/88 15 8.2 4100 12
9/12/88 15
9/13/88 60
9!14(88 60
9/15/88 0
9/20/88 0
9721/88 60 8.1 2900 13 2.31
9/23/88 17 8.2 15 1.01
9/27/88 10 8.2 3100 13
10/4188 17 8.1 3500 9
10/11/88 19 8.1 3600 B <10 3450 1.41 <0.0007
10/21/88 20 8.1 3300 8
10/27/88 20 7.9 3700 8
11 /4/88 20 8.0 4100 B
11 /9/88 20 7.5 3300 6
11/15/88 20 7.7 4300 18 <10 2550 0.15 <0.0007
11/22/88 20 8.0 3800 3 1.68
12/1/88 20 8.0 3800 3
12/7/88 25 7.9 3700 2 <10 2690 0.76 <0.0007
12/14/88 23 8.1 3700 3
12/21!88 24 8.2 3900 3
12/28/88 24 7.4 3700 1
88 AVE 22 8.0 3711 9.2 <10 3110 0.98 <0.0007

1/4/89 24 7.9 4000 3
1/11/89 24 7.6 3900 2
1/18/89 0
1/25/89 24 8.0 3900 4
1/27/89 24 7.6 3800 3 <10 2690 1.41
2/1/89 5 7.3 3700 3
2/8/89 0
214/89 25 7.7 3700 4
2/22/89 25 8.1 3600 4
3/1/89 25 7.8 3700 4 <10 2750 3.76 <0.0007
3/8/89 25 8.0 3700 7 37 2675 2.12 <0.0007
3/15/89 25 8.2 3500 5
3/21/89 25 7.0 3400 6
3!29!89 13 7.4 3900 10 0.14
4/5/89 23 8.0 3500 8
4/14/89 23 8.1 3700 9
4120789 25 8.0 4000 12
4/26/89 24 8.0 4100 13 <10 3005 0.61 <0.0007
5/3/89 0
5/11189 0
5/17/89 0
5/22/89 24 <10 2240 0.41 <0.0007
5/24189 28 7.4 3600 13