use in a wastewater and reclaimed water study. Adjusting the chlorine dose to compensate for the ammonia demand of poorly nitrified wastewaters is a critical step. Because the properties of EfOM-and the reactivity to form DBPs-are different from NOM in drinking water, the equations may need to be modified to more accurately predict DBP formation in treated wastewater. The use of a central tendency correction factor is being explored. These equations-or some modified versions-are being used as part of a fate-andtransport modeling effort and in treatability studies. These tools can be used by the wastewater and drinking water industry to better understand the impact of treated wastewater on DBP precursor loadings during direct or indirect reuse.