ED | Acute toxicity category | Classification |
ED ≤ 1 mg/ml | 1 | Very ecotoxic |
1 < ED ≤ 10 mg/ml | 2 | Ecotoxic |
10 < ED ≤ 30 mg/ml | 3 | Ecoharmful |
30 < ED ≤ 50 mg/ml | 3 | Relatively not ecotoxic |
ED > 50 mg/ml | 3 or without category | Not ecotoxic |