Table 2.
Concentrations of total arsenic in drinking-water (groundwater) and surface water collected in different regions in the north of Argentina
| Village | Water source | Arsenic concentration (μg/L) |
|---|---|---|
| Puna region | ||
| San Antonio de los Cobres | Piped well-water | 189* |
| Tolar Grande | Piped well-water | 2.5 |
| Olacapato | Piped well-water | 14 |
| St Rosa de los Pastos Grandes | Piped well-water | 31 |
| Chaco Salteño region | ||
| Taco Pozo | Private well/piped well-water (n=2) | 214, 216 |
| Joaquín V. Gonzalez | Piped well-water (n=2) | 5.5, 7.2 |
| Anta | Private wells (n=6) | 187 (110–250)‡ |
| Salta | ||
| Town of Salta | Public water distribution (groundwater) | 0.5 |
| Rosario de Lerma | Public water distribution (groundwater) (n=3) | 0.6, 07, 0.6 |