Figure 3From: Longitudinal trends in organophosphate incidents reported to the National Pesticide Information Center, 1995–2007 Trends in chlorpyrifos, diazinon and malathion incidents reported to NPIC from 1995–2007. A significant difference between pre- and post-announcement periods was observed for chlorpyrifos and diazinon (p < 0.001). No significant difference was observed for malathion (p = 0.4).Back to article page