After the Environmental Protection Agency (EPA) banned the pesticides diazinon and dursban because of health concerns for humans and wildlife, they continued to be used until stockpiles ran out. They are, in fact, still legally available for some purposes today.Click to see full answer. Similarly, it is asked, is diazinon still available?Beginning today, consumers can no longer buy one of the most popular lawn and garden insecticides of all time. Retailers in the United States are prohibited from selling diazinon, a highly effective killer of a variety of yard pests such as ants and grub worms. It is still legal to use diazinon on some crops.Beside above, what does diazinon kill? It is a nonsystemic organophosphate insecticide formerly used to control cockroaches, silverfish, ants, and fleas in residential, non-food buildings. Diazinon was heavily used during the 1970s and early 1980s for general-purpose gardening use and indoor pest control. Beside this, is diazinon harmful to humans? There is no evidence that long-term exposure to low levels of diazinon causes any harmful health effects in people. Diazinon has not been shown to cause cancer in people or animals. EPA classified diazinon as a Group E chemical (evidence of noncarcinogenicity for humans).Does diazinon go bad?Diazinon applied to soils can last for weeks or even months depending on the soil environment.