| S.NO. | TESTS | SPECIFICATIONS | |
| 1. | Description | Clear, colorless and odorless liquid | |
| 2. | pH | Between 6.0 to 8.5 | |
| 3. | Total Hardness | NMT 1000 ppm | |
| 4. | Total Dissolved Solids | NMT 800 ppm | |
| 5. | Chloride | NMT 250 ppm | |
| 6. | Sulphate | The appearance of the solution does not change for at least 1 hour | |
| 7. | Heavy Metals | The color produced with the test solution is not more intense than that produced with that standard solution | |
| 8. | Microbial Limit Test | ||
| a)Total Aerobic Microbial count | NMT 500 cfu/ml | ||
| b)Yeast and Moulds | NMT 10 cfu/ml | ||
| c)Specific pathogens
|
E. Coli | Should be absent | |
| Salmonella | Should be absent | ||
| S. aureus | Should be absent | ||
| P. aeruginosa | Should be absent | ||
