REP43417

• Permit No: C1981041
• IBM Index Class Name: Report
• Doc Name: 1997 Annual Hydrology Report & Mine Inflows Study
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

. Raodside South Portal - WET Tests
Outfall 001 & 002
Page SL-3
ACUTE TEST - °!° SURVIVAL OF CERIODAPHNIA
EFFLUENT 0% 6.25°h 12.5°h 25% 50% 100°k
10/25/94 100 100 100 95 100 100
1/19!95 100 100 100 95 95 85
4/27/95 100 100 100 100 100 95
7/13/95 100 100 100 95 95 85
10/9/95 100 100 100 95 100 100
1/24!96 100 100 100 100 100 85
4/29/96 95 100 95 90 95 100
8/19/96 95 100 100 100 100 90
EFFLUENT 0.2°/n 25% 50% 75°k 100%
10/21 /96 90 70 70 95 100
1/15/97 95 95 95 100 90
7/8/97 95 85 80 80 60
10/27/97 95 100 100 100 100

ACUTE TEST - % SURVIVAL OF FATHEAD MINNOWS
EFFLUENT 0% 6.25°k 12.5% 25°k 50% 100%
10/25/94 100 100 100 100 100 100
1 /19/95 100 100 100 100 100 100
4/27/95 100 100 100 100 95 100
7/13/95 100 95 100 100 100 100
10/9/95 95 100 100 95 100 100
1/24/96 100 95 100 100 100 95
4/29/96 95 95 95 75 80 75
8/19/96 95 95 100 95 100 100
EFFLUENT 0.2% 25% 50% 75% 100%
10/21/96 90 100 100 85 95
1/15/97 95 90 95 80 95
7/8/97 100 100 100 100 100
10/6/97 90 100 95 100 100