| Date | Average sodium hypochlorite dosage (mg/L) | Average sodium bisulphite dosage (mg/L) |
|---|---|---|
| 12/01/2019 | 11 | 1 |
| 12/02/2019 | 11 | 1 |
| 12/03/2019 | 11 | 1 |
| 12/04/2019 | 10 | 2 |
| 12/05/2019 | 9 | 2 |
| 12/06/2019 | 9 | 1 |
| 12/07/2019 | 9 | 1 |
| 12/08/2019 | 9 | 1 |
| 12/09/2019 | 9 | 1 |
| 12/10/2019 | 9 | 1 |
| 12/11/2019 | 9 | 1 |
| 12/12/2019 | 9 | 1 |
| 12/13/2019 | 9 | 1 |
| 12/14/2019 | 10 | 1 |
| 12/15/2019 | 10 | 1 |
| 12/16/2019 | 9 | 1 |
| 12/17/2019 | 8 | 1 |
| 12/18/2019 | 8 | 1 |
| 12/19/2019 | 10 | 1 |
| 12/20/2019 | 12 | 1 |
| 12/21/2019 | 11 | 1 |
| 12/22/2019 | 11 | 1 |
| 12/23/2019 | 11 | 1 |
| 12/24/2019 | 11 | 1 |
| 12/25/2019 | 12 | 1 |
| 12/26/2019 | 12 | 1 |
| 12/27/2019 | 12 | 1 |
| 12/28/2019 | 12 | 1 |
| 12/29/2019 | 12 | 2 |
| 12/30/2019 | 12 | 1 |
| 12/31/2019 | 12 | 2 |