| Date | Average sodium hypochlorite dosage after concentration correction (mg-Cl2/L) | Average sodium bisulphite dosage (mg/L) |
| 1/1/2012 | 17 | 6 |
| 1/2/2012 | 17 | 6 |
| 1/3/2012 | 17 | 6 |
| 1/4/2012 | 14 | 6 |
| 1/5/2012 | 13 | 7 |
| 1/6/2012 | 13 | 7 |
| 1/7/2012 | 13 | 6 |
| 1/8/2012 | 13 | 7 |
| 1/9/2012 | 14 | 7 |
| 1/10/2012 | 14 | 7 |
| 1/11/2012 | 12 | 5 |
| 1/12/2012 | 11 | 6 |
| 1/13/2012 | 11 | 5 |
| 1/14/2012 | 11 | 4 |
| 1/15/2012 | 14 | 4 |
| 1/16/2012 | 11 | 5 |
| 1/17/2012 | 14 | 4 |
| 1/18/2012 | 12 | 4 |
| 1/19/2012 | 15 | 4 |
| 1/20/2012 | 14 | 3 |
| 1/21/2012 | 9 | 3 |
| 1/22/2012 | 9 | 2 |
| 1/23/2012 | 9 | 3 |
| 1/24/2012 | 8 | 3 |
| 1/25/2012 | 8 | 3 |
| 1/26/2012 | 7 | 3 |
| 1/27/2012 | 9 | 3 |
| 1/28/2012 | 9 | 3 |
| 1/29/2012 | 9 | 3 |
| 1/30/2012 | 9 | 4 |
| 1/31/2012 | 9 | 3 |