Table 4.3 Guidelines for Establishment
of Action and Limit Levels for In-situ Monitoring Parameters
Parameter
(unit) |
Water Depth |
Action Level |
Limit Level |
DO (mg/L) |
Surface and Middle |
5%-ile of baseline data |
4 mg/L or 1%-ile of baseline data |
Bottom |
5%-ile of baseline data |
2 mg/L or 1%-ile of baseline data |
|
Turbidity (NTU) |
Depth average |
95%-ile of baseline data or 120% of upstream control
station¡¯s turbidity at the same tide of the same day |
99%-ile of baseline data or 130% of turbidity at the upstream
control station at the same tide of the same day |