{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["3(2)"],"submitter":["Tryner J"],"pubmed_abstract":["Residents of agricultural communities may experience higher exposures to pesticides due to their proximity to agricultural operations. We applied a novel measurement approach, using Ultrasonic Personal Air Samplers (UPAS), to quantify particulate matter and organophosphate pesticides in air in California's Central Valley. We collected 124 personal, 126 in-home, and 32 outdoor air samples with 66 adults from 37 rural households in 2023 and 2024. We detected chlorpyrifos, acephate, malathion, diazinon, and naled in air samples. We detected gas-phase chlorpyrifos in 63% of personal samples and 86% of homeseven though use of chlorpyrifos has been banned in California (with few exceptions) since January 2021at 24 h average concentrations ranging up to 13 ng m-3 (personal) and 5.8 ng m-3 (in-home). We did not detect chlorpyrifos in outdoor air samples. Using linear mixed models, we found that higher indoor air temperatures and having more carpets/rugs were associated with higher indoor chlorpyrifos concentrations. The concentrations we measured were well below the California Department of Pesticide Regulation's health screening level of 510 ng m-3 for chronic exposure to chlorpyrifos in air; nevertheless, our results suggest that persistent chlorpyrifos in home environments continues to contribute to nondietary exposure among California residents."],"journal":["ACS ES&T air"],"pagination":["528-539"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12910587"],"repository":["biostudies-literature"],"pubmed_title":["Personal and In-Home Exposures to Airborne Organophosphate Pesticides among Rural Residents of California's Central Valley."],"pmcid":["PMC12910587"],"pubmed_authors":["WeMott S","Volckens J","Li X","Wilson A","Magzamen S","Young BN","Erlandson G","Martinez N","Hernandez Ramirez L","Tryner J","Phillips M","Dooley G"],"additional_accession":[]},"is_claimable":false,"name":"Personal and In-Home Exposures to Airborne Organophosphate Pesticides among Rural Residents of California's Central Valley.","description":"Residents of agricultural communities may experience higher exposures to pesticides due to their proximity to agricultural operations. We applied a novel measurement approach, using Ultrasonic Personal Air Samplers (UPAS), to quantify particulate matter and organophosphate pesticides in air in California's Central Valley. We collected 124 personal, 126 in-home, and 32 outdoor air samples with 66 adults from 37 rural households in 2023 and 2024. We detected chlorpyrifos, acephate, malathion, diazinon, and naled in air samples. We detected gas-phase chlorpyrifos in 63% of personal samples and 86% of homeseven though use of chlorpyrifos has been banned in California (with few exceptions) since January 2021at 24 h average concentrations ranging up to 13 ng m-3 (personal) and 5.8 ng m-3 (in-home). We did not detect chlorpyrifos in outdoor air samples. Using linear mixed models, we found that higher indoor air temperatures and having more carpets/rugs were associated with higher indoor chlorpyrifos concentrations. The concentrations we measured were well below the California Department of Pesticide Regulation's health screening level of 510 ng m-3 for chronic exposure to chlorpyrifos in air; nevertheless, our results suggest that persistent chlorpyrifos in home environments continues to contribute to nondietary exposure among California residents.","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Feb","modification":"2026-07-09T11:26:38.63Z","creation":"2026-07-09T10:48:22.597Z"},"accession":"S-EPMC12910587","cross_references":{"pubmed":["41709984"],"doi":["10.1021/acsestair.5c00379"]}}