By Sylvia E. Barrett, Stuart W. Krasner, Gary L. Amy
There are numerous by-products of water disinfection which are nonetheless now not absolutely understood and will be possibly damaging. during this quantity the entire present learn during this quarter is mentioned, in addition to an exam of the position of NOM (natural natural topic) and its courting to DBP (disinfection spinoff) formation and regulate in ingesting water. realizing the connection of NOM to DBP may result in new suggestions for interpreting and treating water and let moderate offerings to be made for source-water safeguard, remedy plant technique optimization, and distribution procedure operation to regulate DBP's. This quantity emphasizes the characterization and reactivity of polar usual natural subject. It examines analytical equipment which greater symbolize NOM and determines many of the polar and nonvolatile DBP kinds. It offers cutting edge new equipment, sich as capillary electrophoresis for haloacetic aceids and LC/MS for the id of polar dinking water DBPs.
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Additional info for Natural Organic Matter and Disinfection By-Products. Characterization and Control in Drinking Water
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Water Works Assoc. 1993, 85, 41-53. 5. Richardson, S. ; Thruston, A. D. ; Caughran, T. ; Chen, P. ; Collette, T. ; Floyd, T. ; Schenck, Κ. ; Lykins, B. ; Sun, G. ; Majetich G. Environ. Sci. Technol. 1999, in press. 6. Richardson, S. ; Thruston, A. D. ; Caughran, T. ; Chen, P. ; Collette, T. ; Floyd, T. ; Schenck, K. ; Lykins, B. ; Sun, G. ; Majetich G. Environ. Sci. Technol. 1999, in press. 7. Meier, J. R. Mutation Res. 1988, 196, 211-245. 8. Morris, R. ; Audet, A. ; Angelillo, I. ; Chalmers, T.
Tuomisto, J. Fund. Applied Toxicol. 1995, 28, 155-166. 13. Maron, D. ; Ames, Β. N. Mutation Res. 1983, 113, 173-215. 14. DeMarini, D. ; Shelton, M. ; Warren, S. ; Ross, T. ; Shim, J. ; Pegram, R. A. Environ. Mol. Mutagen. 1997, 30, 440-447. ; ACS Symposium Series; American Chemical Society: Washington, DC, 2000. Chapter 3 An Illustration of the Use of Scientific Information To Support Disinfection By-Product Rule Development 1 Hiba M. Shukairy and Alison M. S. Environmental Protection Agency and Oak Ridge Institute for Science and Education, USEPA Technical Support Center, MS 140, 26 West M.
The rank order of the mutagenic potency of the DBPs from highest to lowest were M X > » bromoacetic acid » bromoform > dibromoacetic acid » tribromoacetic acid. These two quantitative biological assays will be used to rank order D B P mixtures isolated from disinfected waters. In the future the cytotoxicity and genotoxicity of DBPs will be evaluated in mammalian cells and compared with the results from Salmonella. ; ACS Symposium Series; American Chemical Society: Washington, DC, 2000. Ε Ο ο 1500 CO * s- Χ 1250 S ω 1000 i •S •S ^ .
