| Date | Average sodium hypochlorite dosage after concentration correction (mg-Cl2/L) | Average sodium bisulphite dosage (mg/L) |
| 12/1/2011 | 18 | 3 |
| 12/2/2011 | 18 | 4 |
| 12/3/2011 | 17 | 5 |
| 12/4/2011 | 18 | 3 |
| 12/5/2011 | 18 | 5 |
| 12/6/2011 | 17 | 5 |
| 12/7/2011 | 18 | 4 |
| 12/8/2011 | 18 | 4 |
| 12/9/2011 | 17 | 5 |
| 12/10/2011 | 16 | 6 |
| 12/11/2011 | 15 | 7 |
| 12/12/2011 | 14 | 7 |
| 12/13/2011 | 15 | 7 |
| 12/14/2011 | 16 | 6 |
| 12/15/2011 | 16 | 5 |
| 12/16/2011 | 16 | 6 |
| 12/17/2011 | 17 | 6 |
| 12/18/2011 | 16 | 7 |
| 12/19/2011 | 15 | 6 |
| 12/20/2011 | 16 | 6 |
| 12/21/2011 | 17 | 5 |
| 12/22/2011 | 16 | 7 |
| 12/23/2011 | 15 | 7 |
| 12/24/2011 | 14 | 6 |
| 12/25/2011 | 13 | 7 |
| 12/26/2011 | 15 | 7 |
| 12/27/2011 | 15 | 7 |
| 12/28/2011 | 15 | 7 |
| 12/29/2011 | 16 | 5 |
| 12/30/2011 | 16 | 6 |
| 12/31/2011 | 16 | 6 |