Time Interval OD of Methyl Parathion OD of Dichlorvos OD of Chlorpyrifos
3 2.487 2.775 3.387
5 3.065 2.934 3.535
7 3.313 3.026 3.372
9 3.149 2.774 3.189
11 3.391 3.279 3.537
13 3.486 2.764 3.144
15 3.012 3.010 3.601
Table 6: Comparative table of organophosphates.