Table 1.
Nitrate concentration and microbial parameters of bottled-water in Torbat-e Heydarieh city.
| Bottled water samples |
Mean of nitrate concentration |
Microbial parameters |
|---|---|---|
| measured in samples | coliforms (MPN) and fecal coliforms | |
| B1 | 12.23 ± 1.22 | 0 |
| B2 | 9.31 ± 0.92 | 0 |
| B3 | 8.88 ± 1.50 | 0 |
| B4 | 6.26 ± 1.07 | 0 |
| B5 | 16.64 ± 2.45 | 0 |
| B6 | 5.26 ± 0.86 | 0 |
| B7 | 2.23 ± 0.64 | 0 |
| B8 | 9.22 ± 0.93 | 0 |
| B9 | 13.90 ± 2.12 | 0 |
| B10 | 7.44 ± 1.03 | 0 |
| B11 | 3.66 ± 0.79 | 0 |
| B12 | 8.34 ± 1.06 | 0 |
| B13 | 13.90 ± 3.13 | 0 |
| B14 | 10.33 ± 2.42 | 0 |
| B15 | 9.12 ± 2.17 | 0 |
| B16 | 7.80 ± 1.08 | 0 |
| B17 | 6.50 ± 0.89 | 0 |
| B18 | 8.90 ± 1.07 | 0 |
| B19 | 6.66 ± 0.93 | 0 |
| B20 | 7.50 ± 1.05 | 0 |
| Mean | 8.7 | 0 |