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