| Date | Average sodium hypochlorite dosage (mg/L) | Average sodium bisulphite dosage (mg/L) |
|---|---|---|
| 12/01/2018 | 9 | 1 |
| 12/02/2018 | 9 | 1 |
| 12/03/2018 | 9 | 1 |
| 12/04/2018 | 9 | 1 |
| 12/05/2018 | 9 | 1 |
| 12/06/2018 | 12 | 2 |
| 12/07/2018 | 12 | 3 |
| 12/08/2018 | 9 | 1 |
| 12/09/2018 | 10 | 1 |
| 12/10/2018 | 9 | 2 |
| 12/11/2018 | 10 | 2 |
| 12/12/2018 | 12 | 3 |
| 12/13/2018 | 10 | 3 |
| 12/14/2018 | 10 | 2 |
| 12/15/2018 | 9 | 1 |
| 12/16/2018 | 9 | 1 |
| 12/17/2018 | 9 | 1 |
| 12/18/2018 | 9 | 2 |
| 12/19/2018 | 9 | 2 |
| 12/20/2018 | 10 | 2 |
| 12/21/2018 | 11 | 1 |
| 12/22/2018 | 11 | 1 |
| 12/23/2018 | 11 | 1 |
| 12/24/2018 | 11 | 2 |
| 12/25/2018 | 11 | 3 |
| 12/26/2018 | 11 | 2 |
| 12/27/2018 | 11 | 1 |
| 12/28/2018 | 11 | 3 |
| 12/29/2018 | 10 | 2 |
| 12/30/2018 | 9 | 1 |
| 12/31/2018 | 11 | 3 |