Unactivated persulfate (PS) oxidation of iodide containing water forms DIAcAm.
BIAcAm and DBAcAm form during PS oxidation at enhanced water temperature.
Chlorination forms more total DHAcAms than PS oxidation.
DHAcAm toxicity was higher from PS oxidation than from chlorination.
DHAcAm toxicity increases with temperature for PS oxidation and chlorination.