EMERGING TOXIC BY-PRODUCTS: “emerging DBPs (e.g. iodinated trihalomethanes (THMs) and acids, haloacetonitriles, halonitromethanes (HNMs), haloacetaldehydes, nitrosamines) that may be more toxic than some of the regulated ones (e.g. chlorine- and bromine-containing THMs and haloacetic acids).”
http://rsta.royalsocietypublishing.org/content/367/1904/4077.full