"It really highlights the need that we research the health impact of all these different pesticides that are being used because people are being exposed to a range of pesticides," said Deborah Bennett, a scientist, UC Davis professor and lead author of the study, which was published Sept. 10 in the Journal of Exposure Science and Environmental Epidemiology.
The study concluded that pesticide monitoring should be expanded because residents' personal exposure included compounds not regularly measured in routine monitoring and that the pesticides should undergo additional toxicity testing.
Researchers found that seven of 31 adults and one out of 11 children were exposed to detectable amounts of pesticides, including chlorpyrifos, which was banned by the state in 2020 after research showed it had a harmful neurodevelopmental effect on children.
Surprisingly, Bennett discovered that detectable amounts of chlorpyrifos were found, despite the pesticide supposed to have stopped being applied by farmers, who commonly used it on crops like alfalfa, almonds, and citrus.
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