Popular pesticides more dangerous than you think. Poisonings, even deaths, tied to ‘safe’ house, farm chemicals. Lancasteronline. Aug 01, 2008. Some pesticides very commonly used by homeowners and farmers alike may not be as safe as previously thought. A first-time analysis of Environmental Protection Agency data by the Center for Public Integrity found certain pesticides believed to be not nearly as toxic as most actually cause a high percentage of poisonings and some deaths.CPI reviewed the past 10 years’ worth of more than 90,000 adverse-reaction reports filed with the EPA by pesticide manufacturers.[ See ]