Abstract
In order to assess the applicability of an earthworm bioassayas a technique for monitoring the soil flushing process, short-term and long-term toxicity tests were conducted on remediatedsoil using various pore volumes of surfactant solution. Resultsobtained on short-term toxicity testing indicated that biomassincreased as the soil flushing proceeded, and on diesel-contaminated soils this testing showed that the effect of dieselis lethal and that 25 pore volumes of soil surfactant were notsufficient to abrogate the toxic effect of diesel. These short-term tests also showed strong sublethal relationships between the development of biomass, and the concentrations of toxic chemicals in the soil. Although relationships between contaminants and the various bioassay parameters examined werenot significant in long-term testing, an increase in the numberof juveniles was observed over time, which may have been a consequence of a reduction in toxicity associated with the flushing process.
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Shin, KH., Kim, KW. Ecotoxicity Monitoring of Hydrocarbon-Contaminated Soil using Earthworm (Eisenia foetida). Environ Monit Assess 70, 93–103 (2001). https://doi.org/10.1023/A:1010685331222
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DOI: https://doi.org/10.1023/A:1010685331222