Table 3.
Estimated weekly intake for cadmium, lead and mercury (µg/kg/bw/week) through fish consumption of local population.
| Water Reservoir | Species | Sampling Season | Cadmium | Lead | Mercury |
|---|---|---|---|---|---|
| El Rejón | Channel catfish | Spring | 0.199 | 7.602 | 0.134 |
| Summer | 0.768 | NA | 0.127 | ||
| Autumn | NA | 10.303 | 0.193 | ||
| Winter | NA | NA | 0.154 | ||
| Green sunfish | Spring | 0.088 | 5.612 | NA | |
| Summer | NA | NA | 0.320 | ||
| Autumn | NA | 11.486 | 0.193 | ||
| Winter | NA | NA | 0.111 | ||
| Chihuahua | Channel catfish | Spring | NA | 2.381 | NA |
| Summer | 0.033 | NA | 0.154 | ||
| Autumn | 0.078 | 6.893 | 0.137 | ||
| Winter | NA | NA | 0.291 | ||
| Green sunfish | Spring | NA | 8.970 | NA | |
| Summer | 0.395 | NA | 1.519 | ||
| Autumn | NA | 4.982 | NA | ||
| Winter | NA | NA | NA | ||
| San Marcos | Blue gill | Spring | NA | 2.035 | 2.430 |
| Summer | 0.118 | NA | 1.088 | ||
| Autumn | NA | 3.188 | 1.290 | ||
| Winter | NA | NA | 0.898 | ||
| Chuviscar | Channel catfish | Spring | 0.294 | 14.040 | NA |
| Autumn | NA | NA | 0.042 | ||
| Winter | NA | NA | NA |
Note: NA: Not available due concentration in fillet fish was below the analytical technique limit.