| Date | Average sodium hypochlorite dosage (mg/L) | Average sodium bisulphite dosage (mg/L) |
|---|---|---|
| 01/01/2020 | 12 | 1 |
| 01/02/2020 | 12 | 2 |
| 01/03/2020 | 12 | 1 |
| 01/04/2020 | 12 | 1 |
| 01/05/2020 | 12 | 1 |
| 01/06/2020 | 12 | 1 |
| 01/07/2020 | 12 | 1 |
| 01/08/2020 | 12 | 1 |
| 01/09/2020 | 12 | 1 |
| 01/10/2020 | 12 | 1 |
| 01/11/2020 | 12 | 1 |
| 01/12/2020 | 11 | 1 |
| 01/13/2020 | 12 | 1 |
| 01/14/2020 | 11 | 2 |
| 01/15/2020 | 12 | 1 |
| 01/16/2020 | 11 | 1 |
| 01/17/2020 | 11 | 1 |
| 01/18/2020 | 10 | 1 |
| 01/19/2020 | 10 | 1 |
| 01/20/2020 | 10 | 1 |
| 01/21/2020 | 9 | 1 |
| 01/22/2020 | 9 | 1 |
| 01/23/2020 | 9 | 1 |
| 01/24/2020 | 10 | 1 |
| 01/25/2020 | 9 | 1 |
| 01/26/2020 | 10 | 1 |
| 01/27/2020 | 9 | 1 |
| 01/28/2020 | 9 | 1 |
| 01/29/2020 | 9 | 1 |
| 01/30/2020 | 9 | 2 |
| 01/31/2020 | 9 | 1 |