Exposure Conc (mg/L) | Alteration | Polymorphic Nuclei | Vessel congestion | Vacuolization | Mild Necrosis | Severe Necrosis | ||||||
14 day | 28 day | 14 day | 28 day | 14 day | 28 day | 14 day | 28 day | 14 day | 28 day | 14 day | 28 day | |
Control 1.0 mg/L 50.0 mg/L 100.0 mg/L 500 mg/L 1000.0 mg/L | No No No No Yes Yes | No No No Yes Yes Yes | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Pres Pres Pres | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Pres Pres Pres | Abs Abs Abs Abs Pres Pres | Abs Abs Abs Abs Pres Pres |