Proceedings

Is land application of biosolids a significant source of human PFAS exposure? PRESENTATION ONLY

Pepper, I., Prasek, S.M. and Brusseau, M.L., University of Arizona, USA

(free)

PFAS Potential Exposure from Biosolids

  • Direct exposure (minimal risk)
  • Indirect exposure-drinking water-plant/animal uptake
  • Bioaccumulation

SPECIFIC OBJECTIVES

  • At land application sites nationwide, measure:
  • Incidence of PFAS in soil following long-term land application of biosolids and at various soil depths
  • Assess Mobility (leaching) of PFAS analytes through soil and vadose zone
  • Evaluate PFAS in groundwater to create paired data sets of soil and water PFAS concentrations
  • Crop uptake of PFAS analytes, utilizing paired data sets of soil PFAS concentrations versus plant uptake

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