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- W4200474472 endingPage "112530" @default.
- W4200474472 startingPage "112530" @default.
- W4200474472 abstract "Indoor spaces contain several classes of persistent organic chemicals, including per- and polyfluoroalkyl substances (PFAS), polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), and organochlorine pesticides (OCPs). However, concentrations of PFAS and persistent chemical mixtures and their associations with building characteristics on college campuses are understudied. We collected dust from 43 nonresidential spaces on four U.S. college campuses in 2016 and evaluated associations of room characteristics (carpeting, upholstered furniture, and years since last furnished) with dust concentrations of PFAS, PBDEs, PCBs, and OCPs. Nine PFAS, twelve PBDEs, two PCBs, and four OCPs were each detected in at least 75% of the spaces, including several chemicals (e.g., DDT) that have been banned for decades. Concentrations were correlated within and, in some cases, between chemical classes. Wall-to-wall carpeting (compared to rooms without wall-to-wall carpeting) was associated with higher concentrations of six individual PFAS and a mixture of PFAS, and the number of pieces of upholstered furniture was associated with increased concentrations of a mixture of PBDEs. These findings indicate that carpeting and furniture are current sources of PFAS and PBDEs, respectively. Building and finish materials should be carefully selected to avoid exposure to persistent chemicals." @default.
- W4200474472 created "2021-12-31" @default.
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- W4200474472 date "2022-04-01" @default.
- W4200474472 modified "2023-10-02" @default.
- W4200474472 title "Per-and polyfluoroalkyl substances (PFAS) and persistent chemical mixtures in dust from U.S. colleges" @default.
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- W4200474472 doi "https://doi.org/10.1016/j.envres.2021.112530" @default.
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- W4200474472 hasPublicationYear "2022" @default.
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