REP26288

• Permit No: C1981025
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1997 ANNUAL HYDROLOGIC REPORT
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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MINREC, INC., NOTRH THOMPSON CREEK MINES

REFUSE PILE PIEZOMETER - D-1A

WATER
DATE LEVEL pH TEMP COND ELEV
Jun410 25.1 7.4 15 2910 7415.9
Sep-80 28.8 7.4 13 2110 7412.2
DecA0 27.9 7.6 12 2515 7413.1
Mar-81 22.0 7.6 51 3265 7419.0
Jun-81 25.5 8.0 15 2865 7415.5
Sep431 32.2 7.7 10 3630 7408.8
Dec-81 31.9 7.4 10 2150 7409.1
Mar-B2 31.0 6.8 8 4000 7410.0
Jun4j2 30.9 _ 6.9
_ ___ 14 3600 7410.1
Sep$2 33.5 _
7.0 10 4000 7407.5
Dec432 31.9 6.9 8 3090 7409.1
Mar-83 39.1 7.2 B 3500 7401.9
Jun-83 30.9 6.8 10 3400 7410.1
Sep-83 34.8 7.0 11 2550 7406.2
DecA3 32.3 7.2 12 4100 7408.7
Mar-84 28.5 7 0 10 3900 7412.5
Sun434 30.9 7.0 14 3250 7410.1
Sep-84 31.6 7.1 13 3200 7409.4
Dec-84 31.9 7.1 5 4250 7409.1
Mar-85 26.3 7.1 9 4105 7414.7
JunAS 25.1 6.5 10 2800 7415.9
Sep~5 32.5 7.0 10 3750 7406.5
Dec435 31.0 7.0 4 3500 7410.0
Mar-86 31.5 7 0 9 2600 7409.5
Jun-86 31.5 7.0 10 3094 7409.5
Sep4i6 27.0 7.0 4260 7414.0
Decb6 30.7 7.1 9 2482 7410.3
Mar-87 30.8 7.7 6 3602 7410.2
Jun~7 32.2 7.1 f0 3588 7408.8
Sep-87 32.2 7.0 11 3571 7408.8
Dec-87 31.8 6 8 6 3618 7409.2
Mar-B8 32.0 6.9 10 3737 7409.0
Jun-88 34.2 6.6 12 3400 7406.8
Sep-88 34.4 7.0 f0 4300 7406.6
Dec-86 34.6 7.2 9 4400 7406.4
Mar439 32.5 7 0 8 3700 7408.5
Jun-89
Sep-89 34.8 7.0 10 4200 7406.2
Dec-89 33.7 6.8 8 4300 7407.3
Mar-90 34.4 7.0 10 4300 7406.6
Jun-90 32.9 7.2 11 4300 7408.1