Part Table D Microbiological and Chemical Parameters: Type B Supplies
National Requirements
| (1)Item | (2)Parameters | (3)Concentration or Value (maximum) | (4)Units of Measurement |
|---|---|---|---|
| 1. | Coliform Bacteria | 0 | number/100ml |
| 2. | Conductivity (i) | 2500 | µS/cm at 20°C |
| 3. | Enterococci | 0 | number/100ml |
| 4. | Escherichia coli (E.coli) | 0 | number/100ml |
| 5. | Hydrogen ion | 9.5 6.5 (minimum) | pH value |
| 6. | Lead | (a) 25, from 3/7/06 until 24/12/13 (b) 10, from 25/12/13 | µgPb/l |
| 7. | Nitrate | 50 | mgNO3/l |
| 8. | Odour-qualitative | - | - |
| 9. | Taste-qualitative | - | - |
| 10. | Turbidity | 4 | NTU |