Analysis of toxic wastes in tissues from aquatic species. Applications of matrix solid-phase dispersion

One of the difficult tasks in studying toxic wastes in the environment is the process involved in their extraction from biological matrices. This review addresses the regulatory aspects which mandate subsequent analyses in aquatic species and the studies which have addressed these problems from a variety of analytical perspectives. In this regard, the tissue extraction process known as matrix solid-phase dispersion is also reviewed and data are presented indicating that it may provide a generic process for the extraction and subsequent analysis of pesticides, polynuclear aromatic hydrocarbons and polychlorinated biphenyls.