<br/>Drinking water disinfection by-products (DBPs) are an unintended consequence of using chemical disinfectants to kill harmful pathogens in water.  DBPs are formed by the reaction of disinfectants with naturally occurring organic matter, bromide, and iodide, as well as from anthropogenic pollutants, such as pharmaceuticals and pesticides.  DBPs are one of a small handful of environmental contaminants that have been definitively linked to adverse human health effects in epidemiologic studies.  Several DBPs, including trihalomethanes (THMs), haloacetic acids (HAAs), bromate, and chlorite, are regulated in the U.S. and in other countries, but &gt;700 DBPs have now been identified, including other “emerging” DBPs that are more toxic than those regulated.  This presentation will provide a state-of-the-science overview of the formation of DBPs, along with new identifications made using GC- and LC-high resolution-MS, including DBPs formed by domestic and hydraulic fracturing wastewater impacts.

Emerging DBPs:  New discoveries using GC-MS and LC-MS

ACS Spring Meeting 2021

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