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Heat-activated persulfate treatment of PFOA in aquifer sediment slurry. (a) persulfate, (b) PFOA loss compared to persulfate-free control, and (c) PFCAs. 200 g/L aquifer sediments, [S2O82−]0 = 50 mM × 2, [PFOA]0 = 0.5 μM, unbuffered, T = 85°C.
