lines; and AGW, PFAA-AGW, and permanganate-PFAA-AGW were carried through the dotted lines. Adapted from McKenzie et al. (2015). 1.2. Materials The compositions of artificial ground (AGW; made per Guelfo and Higgins (2013)), AGW amended with nominal 2 µg/L PFAA (PFAA-AGW), and AGW amended with an oxidant and nominal 2 µg/L PFAA (oxidant-PFAA-AGW) are shown in Table S1. Table S1 - Composition of source waters (adapted from McKenzie et al., 2015) Influent Ionic Salinity Fe Source water Components pH strength (‰) (mM) Millipore water + 0.01 mM Artificial MnSO4 + 1.27 groundwater mM Na2SO4 + 7.5 0.0056 0.33 0.0 (AGW) 1.93 mM NaCl + 0.48 mM NaHCO3 AGW + PFAA-AGW 2 each 7.5 0.0056 0.33 0.0 μg/L PFAA PFAA-AGW + 52.1 mM Na2S2O8 + Persulfate 1.9 0.2633 17.03 26.0 26.0 mM + 5.2 mM C6H8O7 PFAA-AGW + Permanganate 7.8 0.0140 1.66 0.0 8.4 mM PFAA-AGW + Catalyzed 14.7 mM H2O2 hydrogen 3.4 0.0076 0.91 0.5 + 0.5 mM peroxide
lines; and AGW, PFAA-AGW, and permanganate-PFAA-AGW were carried through the dotted lines. Adapted from McKenzie et al. (2015). 1.2. Materials The compositions of artificial ground (AGW; made per Guelfo and Higgins (2013)), AGW amended with nominal 2 µg/L PFAA (PFAA-AGW), and AGW amended with an oxidant and nominal 2 µg/L PFAA (oxidant-PFAA-AGW) are shown in Table S1. Table S1 - Composition of source waters (adapted from McKenzie et al., 2015) Source water Components Influent pH Ionic strength Salinity (‰) Fe (mM) Artificial groundwater (AGW) Millipore water + 0.01 mM MnSO4 + 1.27 mM Na2SO4 + 1.93 mM NaCl + 0.48 mM NaHCO3 7.5 0.0056 0.33 0.0 PFAA-AGW AGW + 2 μg/L each PFAA 7.5 0.0056 0.33 0.0 Persulfate PFAA-AGW + 52.1 mM Na2S2O8 + 26.0 mM + 5.2 mM C6H8O7 1.9 0.2633 17.03 26.0 Permanganate PFAA-AGW + 8.4 mM 7.8 0.0140 1.66 0.0 Catalyzed hydrogen peroxide PFAA-AGW + 14.7 mM H2O2 + 0.5 mM 3.4 0.0076 0.91 0.5
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