Table 1 Median lethal concentration (LC50) was calculated by adopting probit analysis for each time point. Scores ≥6 were reversible and sub-lethal, while scores ≤5 were considered irreversible and lethal.
Time (h) | 95% confidence limits for concentrations (μg/L) | ||
---|---|---|---|
Estimate | Lower bound | Upper bound | |
24 | 437.89 | 429.23 | 441.12 |
48 | 216.16 | 209.446 | 222.90 |
72 | 157.68 | 152.26 | 162.98 |