| Date | Average sodium hypochlorite dosage (mg/L) | Average sodium bisulphite dosage (mg/L) |
| 4/1/2010 | 14 | 7 |
| 4/2/2010 | 15 | 7 |
| 4/3/2010 | 14 | 7 |
| 4/4/2010 | 15 | 7 |
| 4/5/2010 | 14 | 8 |
| 4/6/2010 | 15 | 8 |
| 4/7/2010 | 15 | 8 |
| 4/8/2010 | 15 | 7 |
| 4/9/2010 | 15 | 7 |
| 4/10/2010 | 15 | 7 |
| 4/11/2010 | 15 | 7 |
| 4/12/2010 | 15 | 8 |
| 4/13/2010 | 15 | 8 |
| 4/14/2010 | 15 | 8 |
| 4/15/2010 | 15 | 7 |
| 4/16/2010 | 14 | 6 |
| 4/17/2010 | 14 | 7 |
| 4/18/2010 | 15 | 6 |
| 4/19/2010 | 15 | 6 |
| 4/20/2010 | 14 | 6 |
| 4/21/2010 | 15 | 7 |
| 4/22/2010 | 15 | 7 |
| 4/23/2010 | 14 | 7 |
| 4/24/2010 | 14 | 7 |
| 4/25/2010 | 14 | 7 |
| 4/26/2010 | 14 | 6 |
| 4/27/2010 | 16 | 6 |
| 4/28/2010 | 18 | 6 |
| 4/29/2010 | 15 | 7 |
| 4/30/2010 | 13 | 7 |