Data were generated at the University of Florida. This dataset is not publicly accessible because: Data are not owned by EPA/ORD. It can be accessed through the following means: contact the study lead Dr. Timothy Townsend (ttown@ufl.edu). Format: Data were generated at the University of Florida. This dataset is associated with the following publication: Thompson, J., N. Robey, T. Tolaymat, J. Bowden, H.M. Solo-Gabriele, and T. Townsend. Underestimation of Per- and Polyfluoroalkyl Substances in Biosolids: Precursor Transformation During Conventional Treatment. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, USA, 57(9): 3825-3832, (2023).

Data belongs to Detlef Knappe's research group at North Carolina State University, as this study was that of PhD students and postdoctoral researches from his laboratory. This dataset is not publicly accessible because: Non-EPA generated data. It can be accessed through the following means: Non-EPA generated data. Format: Non-EPA generated data. This dataset is associated with the following publication: Liberatore, H., A. McElroy, C. Zhang, N.L. Alexander, and D. Knappe. Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. American Chemical Society, Washington, DC, USA, na, (2021).

USDA Data. This dataset is not publicly accessible because: USDA hasn't published a link yet - will modify ScienceHub when link is available. It can be accessed through the following means: USDA owns data will have a link eventually. Format: Excel files. This dataset is associated with the following publication: Trippe, K.M., V.A. Manning, C.L. Reardon, A.M. Klein, C. Weidman, T.F. Ducey, J.M. Novak, D.W. Watts, H. Rushmiller, K.A. Spokas, J.A. Ippolito, and M.G. Johnson. Phytostabilization of acidic mine tailings with biochar, biosolids, lime, and locally-sourced microbial inoculum: Do amendment mixtures influence plant growth, tailing chemistry, and microbial composition?. Applied Soil Ecology. Elsevier Science Ltd, New York, NY, USA, 165: 103962, (2021).

Datafiles in TXT file formats listing PFAS chemicals and a list of all PFAS Chemical Lists publicly available on the CompTox Chemicals Dashboard. This dataset is associated with the following publication: Williams, A., L. Gaines, C. Grulke, C. Lowe, G. Sinclair, V. Samano, I. Thillainadarajah, B. Meyer, G. Patlewicz, and A. Richard. Assembly and Curation of Lists of Per- and Polyfluoroalkyl Substances (PFAS) to Support Environmental Science Research. Frontiers in Environmental Science. Frontiers, Lausanne, SWITZERLAND, 10: 850019, (2022).

Numerous per- and polyfluoroalkyl substances (PFAS) are of growing concern worldwide, due to their ubiquitous presence, bioaccumulation and adverse effects. Surface waters in the United States have displayed elevated concentrations of PFAS, but so far discrete water sampling has been the commonly applied sampling approach. Here we field-tested a novel integrative passive sampler, a microporous polyethylene (PE) tube, and derived sampling rates (Rs) for 9 PFAS in surface waters. Three sampling campaigns were conducted, deploying PE tube passive samplers in the effluent of two wastewater treatment plant (WWTP) effluent sites plants (WWTPs) and across Narragansett Bay (RI, US) for one month each in 2017/2018. Passive samplers exhibited linear uptake of PFAS in the WWTP effluents over 16-29 days, with in-situ Rs for nine PFASs ranging from 10 mL day-1 (PFPeA) to 29 mL day-1 (PFOS). Similar sampling rates of 19 ± 4.8 mL day-1 were observed in estuarine field deployments. Applying these Rs values in a different WWTP effluent predicted dissolved PFAS concentrations mostly within 50% of their observations in daily composite water samples, except for PFBA (where predictions from passive samplers were 3x greater than measured values), PFNA (1.9), PFDA (1.7) and PFPeS (0.1). These results highlight the potential use of passive samplers as measurement and assessment tools of PFAS in dynamic aquatic environments. This dataset is associated with the following publication: Gardiner, C., A. Robuck, J. Becanova, M. Cantwell, S. Kaserzon, D. Katz, J. Mueller, and R. Lohmann. Field validation of a novel passive sampler for dissolved PFAS in surface waters. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, USA, 41(10): 2375-2385, (2022).

All data tables are available in the publication and uploaded onto ScienceHub. This dataset is associated with the following publication: Bangma, J., T.C. Guillette, M. Strynar, A. Lindstrom, J. McCord, D. Jenkins-Hill, C. Lau, N. Chernoff, and J. Lang. A rapid assessment bioaccumulation screening (RABS) study design for emerging per-and polyfluoroalkyl substances in mice exposed to industrially impacted surface water. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, USA, 308(1): 136159, (2022).

Samples were collected for a comparison method development study with the University of Minnesota and the U.S. Geological Survey (USGS) National Water Quality Laboratory (NWQL) in Lakewood, Colorado. Widely used liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods fail to capture large fractions of total organofluorine in environmental samples confounding the assessment and remediation of fluorinated pollution. Fluorine nuclear magnetic resonance (19F-NMR) is an inclusive method for organofluorine analysis that preserves chemical information about chemical compound classes of organofluorine.

The toxicity and environmental persistence of anthropogenic per- and poly-fluoroalkyl substances (PFAS) are of concern globally. To address legacy PFAS concerns in the US, industry developed numerous replacement PFAS that commonly are treated as confidential information. To investigate the distribution of PFAS in New Jersey (NJ), soils collected from across the state were subjected to nontargeted mass-spectral analyses. Ten chloro-perfluoro-polyether-carboxylates were tentatively identified, with ≥3 congeners in all samples. Nine congeners are ≥(CF2)7. Distinct chemical formulas and structures, as well as geographic distribution, suggest airborne transport from an industrial source. Lighter congeners dispersed more widely than heavier, with the most widely dispersed detected in an in-stock New Hampshire sample. Additional data were used to develop a legacy-PFAS fingerprint for historical PFAS sources in NJ. This dataset is associated with the following publication: Washington, J., C. Rosal, J. McCord, M. Strynar, A. Lindstrom, E. Bergman, S. Goodrow, H. Tadesse, D. Pilant, B. Washington, M.J. Davis, B. Stuart, and T. Jenkins. Nontargeted mass-spectral detection of chloroperfluoropolyether carboxylates in New Jersey soils. SCIENCE. American Association for the Advancement of Science (AAAS), Washington, DC, USA, 368(6495): 1103-1107, (2020).

The file is a compilation of reported Biota-Sediment Accumulation Factors (BSAFs) for PFAS for aquatic species. The file has the BSAFs as reported in the source and then, adjusted to units of kg-OC/kg-ww. File also contains location information (where the measurement was done), an evaluation of its study quality, citation, number of samples used in determining the BSAF, complete taxonomic information, kinetic information when available, and when available, concentrations in the sediment and organism used to determine the BSAF. This dataset is associated with the following publication: Burkhard, L., and L. Votava. Biota-Sediment Accumulation Factors for Per- and Polyfluoroalkyl Substances. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, USA, 42(2): 277-295, (2022).

Dataset for A Comparison of In Vitro Points of Departure with Human Biomonitoring Levels for Per- and Polyfluoroalkyl Substances (PFAS), to be published by Environmental Health Perspectives (EHP). This dataset is associated with the following publication: Judson, R., D. Smith, M. Devito, J. Wambaugh, B. Wetmore, K. Friedman, G. Patlewicz, R. Thomas, R. Sayre, J. Olker, S. Degitz, S. Padilla, J. Harrill, T. Shafer, and K. Carstens. A Comparison of In Vitro Points of Departure with Human Blood Levels for Per- and Polyfluoroalkyl Substances (PFAS) (Toxics). Toxics. MDPI, Basel, SWITZERLAND, 12(4): 271, (2024).