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PLANT UPTAKE OF PER- AND POLYFLUOROALKYL SUBSTANCES AT A CONTAMINATED FIRE TRAINING FACILITY TO EVALUATE THE PHYTOREMEDIATION POTENTIAL OF VARIOUS PLANT SPECIES
Gobelius, L., J. Lewis, and L. Ahrens.
Environmental Science & Technology 51(21):12602-12610(2017)

Uptake of 26 PFASs by plants from soil and groundwater was investigated at a fire training site at Stockholm Arlanda airport (Sweden) in 2016 where elevated PFAS levels were detected in soil (16-160 ng/g dry weight) and groundwater (1200-34,000 ng/L). Samples taken from silver birch, Norway spruce, bird cherry, mountain ash, ground elder, long beechfern, and wild strawberry tissues of the local plant community showed high variability of PFAS concentrations. The bioconcentration factors were highest in foliage. The total tree burden of PFASs per tree was up to 11 mg for birch and 1.8 mg for spruce. Different plant combinations were considered for phytoremediation of PFAS-contaminated sites. For more information on this study, see L. Gobelius' Master's thesis at https://stud.epsilon.slu.se/9787/1/gobelius_l_161108.pdf.



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