Practical Application of Bioassays in Monitoring Untreated Water from Leachates

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  • 最終処分場浸出水原水モニタリングにおけるバイオアッセイの実用化

Abstract

The stabilization process is an important issue for landfill sites, and one of the indicators for this is leachate monitoring, which can be used to evaluate entire sites. Since leachate contains a wide variety of chemicals, there is a need to utilize bioassays that can complement conventionally conducted chemical analysis. In general, bioassays have not been reported to be utilized in the management of landfill sites because of their long testing times and high costs compared to chemical analysis. Therefore, as a method that can be conducted easily at simple local facilities in as little as 24 hours, an acute toxicity test was developed and applied successfully for two years using red finfish (Tanichthys albonubes). The results demonstrate that this rapid bioassay was useful in local maintenance and management.

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