Table 2: Heterotrophic bacterial count (CFU/ml) result for bottled water stored at different duration (days).
| During Storage |
Number of Samples with HPC, HPC/ml (%) |
| <100 |
100-500 |
500-1000 |
>1000 |
Total |
| ≤30 |
1 (0.2) |
14 (3.5) |
4 (1.0) |
48 (12.0) |
67 (16.8) |
| 31-60 |
5 (1.2) |
25 (6.3) |
10 (2.5) |
60 (15.0) |
100 (25) |
| 61-90 |
1 (0.2) |
8 (2.0) |
7 (1.8) |
75 (18.8) |
91 (22.8) |
| 91-120 |
1 (0.2) |
1 (0.2) |
5 (1.2) |
55 (13.9) |
62 (15.5) |
| 121-150 |
0 (0.0) |
1 (0.2) |
2 (0.5) |
31 (7.8) |
34 (8.5) |
| 151-180 |
0 (0.0) |
0 (0.0) |
3 (0.8) |
8 (2.0) |
11 (2.8) |
| >180 |
0 (0.0) |
3 (0.8) |
4 (1.0) |
28 (7.0) |
35 (8.8) |
| Total |
8 (2.0) |
52 (13.0) |
35 (8.8) |
305 (76.2) |
400 (100.0) |