“…Nitrate reduction resulted in the formation of nitrite and ammonia. With the finalization of the Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR), the removal of pathogens, such as Cryptosporidium,continued to be of particular interest to researchers in the potable water treatment field Xu et al (2006b). investigated the influence of temperature, humic acid concentration, and chemical dosing on Cryptosporidium-sized particle breakthrough during filtration.…”