Immunoassays are becoming increasingly popular as analytical tools for residue analysis. They offer rapid, sensitive, selective, and cost-effective alternatives to such conventional methods as HPLC and GLC. This new volume focuses on the uses of of these immunoassays in environmental monitoring and quality control, as well as the regulatory aspects of this technology. Its 18 chapters are divided into three sections covering immunoassay evaluation guidelines, academic advances in immunoassay technology, and immunoassay activities in industry.