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Methods for Measuring Toxins in Finished Waters

Project Number # 1007

Methods for Measuring Toxins in Finished Waters (AwwaRF 4020)

Status:  Completed

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Background and Relevance

Three major problems limit the use of screening bioassays for toxicity detection in finished drinking water:

  • Interference from other substances in finished water such as disinfectants (chlorine in particular), DBPs, various metals such as aluminium, iron, copper.
  • Sensitivity to the low contaminant levels that are of concern in finished waters (i.e. around drinking water guideline levels);
  • Turn-around times that are too slow to allow real time management of water supplies.
  • This project examined ways of overcoming these potential problems.

The final report has been published by the Water Research Foundation and can be downloaded here or via logging in.