| Date | Average sodium hypochlorite dosage (mg/L) | Average sodium bisulphite dosage (mg/L) |
|---|---|---|
| 05/01/2017 | 17 | 2 |
| 05/02/2017 | 17 | 2 |
| 05/03/2017 | 17 | 2 |
| 05/04/2017 | 15 | 2 |
| 05/05/2017 | 17 | 2 |
| 05/06/2017 | 17 | 2 |
| 05/07/2017 | 17 | 2 |
| 05/08/2017 | 17 | 1 |
| 05/09/2017 | 16 | 1 |
| 05/10/2017 | 16 | 2 |
| 05/11/2017 | 15 | 2 |
| 05/12/2017 | 16 | 2 |
| 05/13/2017 | 15 | 2 |
| 05/14/2017 | 14 | 2 |
| 05/15/2017 | 15 | 2 |
| 05/16/2017 | 15 | 1 |
| 05/17/2017 | 16 | 1 |
| 05/18/2017 | 15 | 2 |
| 05/19/2017 | 15 | 2 |
| 05/20/2017 | 15 | 2 |
| 05/21/2017 | 16 | 2 |
| 05/22/2017 | 16 | 2 |
| 05/23/2017 | 16 | 1 |
| 05/24/2017 | 10 | 2 |
| 05/25/2017 | 12 | 3 |
| 05/26/2017 | 14 | 2 |
| 05/27/2017 | 16 | 2 |
| 05/28/2017 | 16 | 2 |
| 05/29/2017 | 17 | 2 |
| 05/30/2017 | 17 | 2 |
| 05/31/2017 | 17 | 1 |