Abstract
Prediction of the bioconcentration of organic chemicals from water by aquatic organisms has important applications in the management of hazardous chemicals. This study gives a compilation of bioconcentration factors on a wet weight basis (BCF w) of 52 organic chemicals by Daphnia magna from aqueous solution. The bioconcentration factors for the chemicals in Daphnia were successfully correlated with their n-octanol/water partition coefficients (log K ow) using a linear regression analysis. In addition to the ordinary least-square regression technique, the geometric mean regression technique is also used because this takes into account deviations in K ow values. Both results show that the K ow value of a chemical is a good predictor of the BCF in Daphnia. The BCF- K ow relationships between Daphnia, algae ( Chlorella), and mussels ( Mytilus edulis) are compared with each other.
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