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