Table 1.
Summary of fish sensitivity to Cr during an exposure period of 96 h-LC50 as reported by /71/.
| Fish Species | Results | Exposure Type | Temperature | Test Conditions | |
|---|---|---|---|---|---|
| (mg L−1) | °C | pH | (mg L−1) | ||
| Labeo rohita | 39.40 | Renewal | 27.5 ±1 | 8.0±5 | CO3=61; HCO3=301; Alk=501 |
| Pimephales promelas | 48 | Flow through | 25 | 7.5 to 7.9 | Alk=200-230 |
| Channa punctatus | 50 | Static | 29.8±1 | 7.5 to 8.5 | |
| Pimephales promelas | 52 | Flow through | 15 | 7.6 to 8.2 | Alk=230-232 |
| Salvelinus fontinalis | 59 | Flow through | 12 | 7.0 to 8.0 | Hardness=44-46 |
| Pimephales promelas | 61 | Flow through | 15 | 7.6 to 8.2 | Alk=230-232 |
| Salmp gardnerii | 69 | Flow through | 12 | 7.0 to 8.0 | Hardness=44-46 |
| Carassius auratus * | 85.7 | Renewal | 26-28 | 7.0 to 8.0 | Hardness=85-90 |
| Catla catla | 100 | Static | 28±1 | 7.1 | CO3=604 |
| Carassius auratus | 120 | Flow through | 25 | 7.5 to 7.9 | Alk=200-230 |
*
Source: Velma et al. /72/