• AWWA WQTC55166
Provide PDF Format

Learn More

AWWA WQTC55166

  • The Occurrence of a New Generation of DBPs (Beyond the ICR)
  • Conference Proceeding by American Water Works Association, 01/01/2001
  • Publisher: AWWA

$12.00$24.00


A nationwide survey of 12 full-scale treatment plants was initiated in the US in 2000. Approximately 50 disinfection byproducts (DBPs) that rated a high priority for potential toxicity and were not included in the Information Collection Rule (ICR) are being studied. Some of the halogenated DBPs detected in this study have included mono-, di-, tri-, and/or tetra- species of halomethanes (HMs) (including iodinated species); haloacetonitriles (HANs); haloketones (HKs); haloacetaldehydes (HAs); and, halonitromethanes (HNMs). As the presence of bromide resulted in a shift in speciation for the trihalomethanes (THMs) and haloacetic acids (HAAs), brominated DBPs for other classes of DBPs (HANs, HKs, HAs, HNMs) were detected that were not in the ICR. Chloramination formed certain dihalogen-substituted DBPs (HAAs, HAs) preferentially over related trihalogenated species. In addition, chlorine dioxide produced dihalogenated HAAs. Although the use of alternative disinfectants minimized the formation of THMs, certain dihalogenated DBPs formed at significant concentrations. Biologically active granular activated carbon (GAC) removed a wide range of halogenated DBPs. A number of DBPs (e.g., certain HAs) were not stable at alkaline pH levels, probably because of base-catalyzed hydrolysis. Includes 29 references, tables, figures.

Related Products

AWWA WQTC65766

AWWA WQTC65766

Impact of MIEX Pretreatment on Downstream Conventionally Treated Water Quality Parameters..

$12.00 $24.00

AWWA WQTC57187

AWWA WQTC57187

Bromate Control During Ozonation of High-Bromide Drinking Water..

$12.00 $24.00

AWWA WQTC58965

AWWA WQTC58965

Assessment of Arsenic Treatment Alternatives for Source Waters in New Jersey, California, and Arizon..

$12.00 $24.00

AWWA ACE70521

AWWA ACE70521

Sinkzilla: Managing Media during an Interstate Disaster..

$12.00 $24.00