A. Trends of Analytical Methodology for Determination of Indoor and Outdoor Pollutants.- Biosensors for Direct Monitoring and Indoor Air Quality and Exposure Assessment Issues.- Analytical Methodology for the Determination of Volatile Organic Compounds in Indoor and Outdoor Environment.- Sensor Response and Computational Molecular Modelling.- The Use of Chemical Sensor Systems for Sampling, Selectivity and Specification.- Use of a CCD-Based Imaging Detector and Capillary Sampling Techniques for Environmental Testing.- B. DNA, Biological Recognition and Receptor Based Sensors.- A Fiber Optic DNA Sensor for Rapid Detection of Environmental E. Coli.- Applications of an Electrochemical DNA-Biosensor to Environmental Problems.- Application of a Nucleic Based Optical Bioprobe for Environmental and Pharmaceutical Analysis.- Biologically Inspired Recognition Chemistry for Biosensors. Design of Recognition Elements for Ion-Selective Electrodes (ISEs).- Lipid Based Enzyme Electrodes for Environmental Pollution Control.- Immunochemical Assays for Pesticides and PCBs.- Development of Biosensors for Immunoassay Detection of PCBs.- Disposable Screen-Printed pH-Electrode for Determination of Anticholinesterase Activity.- Direct Piezoelectric Immunosensors for Pesticides *.- Detection of Diphenylurea Derivatives with Biospecific Interaction Analysis (BIA): Kinetic Investigation.- Enzyme Sensors for the Detection of Pesticide Families.- C. Biosensors for in Field Uses.- Portable Flow-Injection Systems for Field Testing. Present Development and Perspectives.- Automated Field Analyzers for Environmental Pollutants Based Biosensors.- Lipid-Based Sensors for Continuous Monitoring or Rapid Screening of Environmental Pollutants in the Field.- Biosensors for in Field Measurements: Optimisationof Parameters to Control Phosphororganic Pesticides in Water and Vegetables.- D. Water Analysis.- Determination of Heavy Metals Using Electrochemical Biosensors Based on Enzyme Inhibition.- Exploring Sensors to Monitor Some Environmental Discharges: Laboratory Innovation versus Design and Manufacturability.- Sensitivity and Selectivity of Electrochemical Biosensors for Inhibitor Determination.- Solid Carbon Containing Stripping Voltammetry Sensors.- Chemiluminescent Detection of Chorophenols with a Fiber Optic Sensor.- Selective Determination of Heavy Metal Ions with Sensors Coupled to Immobilized Enzymes.- E. Biosensors for Environmental Pollutants Based on Non-Aqueous systems. Micromachining Industrialization and Market Aspects of Biosensors for Environmental Pollutants.- Organic-Phase and Inhibition Based Amperometric Biosensors for the Determination of Environmental Pollutants.- Amperometric Biosensors in Reversed Micelles.- Biosensors Based on Solid Supported Lipid Bilayers and their Physical Properties.- Biosensors for Environmental Monitoring: An EPA Perspective.- Microsystem Technology in Biosensors.- Author Index.