This is a complete guide to biomonitoring as a tool for exposure assessment, reviewing basics and updates in the field from its inception to novel concepts. This book helps readers understand the role of biomonitoring, along with applications, advantages, and limitations. It provides the reader with the knowledge to develop studies, incorporate biomonitoring into their research, and interpret and report data. Chapters are easy-to-read and written for a variety of professionals in toxicology, epidemiology, forensics, and occupational health fields. It discusses foundational topics, like quality selection of biomarkers, as well as brand new concepts, like exposomics. The book has fifteen chapters, which cover methodology and matrix selection, applications, data evaluation/analysis, communication strategies, major biomonitoring initiatives, biomonitoring in industrial hygiene and occupational health, detailed case studies, the use biomonitoring in emergency response, and perspectives on how to improve the field.