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