Is PFAS from land applied municipal biosolids a significant source of human exposure via groundwater?

Research output: Contribution to journalComment/debatepeer-review

Abstract

Per and polyfluoroakyl substances (PFAS) are emerging contaminants of critical concern commonly found in the bloodstream of most humans in the U.S. They are present in both Class A and B municipal biosolids. The potential for contamination of groundwater following land application of biosolids and subsequent leaching of PFAS through soil is one of several potential impacts that have generated discussions of possible bans on land application. In this commentary, we discuss the many factors that need to be considered to address the question: “Is PFAS from land applied biosolids a significant source of human exposure via groundwater?” The occurrence of PFAS in biosolids and biosolids-amended soils is discussed, as are the many factors that affect the potential for subsequent groundwater contamination. Additional critical factors are also noted.

Original languageEnglish (US)
Article number161154
JournalScience of the Total Environment
Volume864
DOIs
StatePublished - Mar 15 2023

Keywords

  • Biosolids
  • Groundwater
  • PFAS

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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