Abstract
This paper describes application of bioassay for the purpose of on-situ, simple and rapid measurement of soil contamination by PCB. This detected concentration criterion is 0.003mg-PCB/L. When luminous bacteria were treated at 1-120min, the acute toxicity test using luminous bacteria could detected in 0.3mg-PCB/L at each treatment time, and is not sufficient. So we evaluated changes of luminescence in 2h, and cleared to differ variations of luminescence at each PCB concentration. Using this analysis, PCB could detected 0.065mg-PCB/L. Though this is not sufficient, we think that we are able to improve in detective sensitivity to establish Luminous bacteria optimum condition and pre-treatment technique
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