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 |