Open Access
Table 2
Mean effect concentrations (EC50 values, 48 h immobilization; μmol/L) of dissolved metals on D. magna at water hardness 240 mg/L CaCO3 (Khangarot and Ray, 1989). EC50 for Bi at water hardness 72 mg/L CaCO3 (Okamoto et al., 2015).
| As | Bi | Cr | Cu | Fe | Mn |
| 83 | >62 | 34 | 1.46 | 129 | 151 |
| Ni | Pb | Sb | Sn | W | Zn |
| 124 | 17 | 3478 | 182 | 486 | 8.57 |
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