Review Article
Progress in the Research of the Toxicity Effect Mechanisms of Heavy Metals on Freshwater Organisms and Their Water Quality Criteria in China
Table 2
Comparison of water quality criteria of heavy metals in China and the US EPA [
12,
91].
| Heavy metal | China (μg/L) | US EPA (μg/L) | Acute | Chronic | CMC | CCC |
| Zn | 89.7 | 34.5 | 120 | 120 | Cd | 2.10–7.30 | 0.21–0.23 | 2 | 0.25 | Cr | 45.79 | 14.22 | 16 | 11 | Cu | 30 | 9.44 | 12 | 9 | Hg | 1.743 | 0.467 | 1.4 | 0.77 | Pb | 131 | 5.1 | 67.54 | 25.46 |
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