Abstract
This study describes the comparison of multiple approaches for estimating the median lethal concentration of selected chlorinated benzenes (CBs) from an homologous series yielding acute toxicity to the earthworm Eisenia andrei in Webster soil. The coefficients of variation were significantly lower for solid-phase microextraction (SPME), tissue residue, and hexane-extractable based CB exposure estimates compared to nominal CB exposure estimates. The range of CB exposure estimates based on SPME, tissue residue, or nominal was narrower than lethal concentration exposure estimates based on hexane-extractable CBs. Despite the insignificant difference between the coefficients of variation for SPME and hexane-extractable based measures of CB exposure, the results of this study suggest that the use of SPME based estimates of exposure may improve the accuracy of ecological risk assessment when used an alternative to hexane-extractable (total soil CBs) due to a narrower range of medial lethal concentrations when comparing equipotent compounds.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
