| Timeline of OP Events |
| 2000 - 2003 |
|
|
| malathion |
|
| diazinon |
|
|
|
|
| azinphosmethyl |
||
| phosmet |
||
| azinphosmethyl |
| chlopyrifos |
| diazinon |
| phosmet |
| chlorpyrifos |
| dimethoate |
| 2000 |
| 2001 |
| 2002 |
| 2003 |
