AWWA WQTC52863

The Metropolitan Water District of Southern California, La Verne,California, is investigating the occurrence of 39 newly identified disinfection byproducts (DBPs)--which were not included in the Information Collection Rule--in drinking water. Halomethanes (HMs), haloacetonitriles (HANs), haloketones (HKs), haloacetaldehydes (HAs), halonitromethanes (HNMs), and othermiscellaneous organic compounds, comprise the list of target analytes to be measured. Objectives beyond methods development include investigation of occurrence of these DBPs in drinking waters, and determination of the influence of water quality parameters, treatment, and distribution system conditions on their concentrations, persistence and stability. Includes 6 references, tables, figures.