A textbook for students going into the field dedicated to the protection of workers. Surveys the field and includes extra discussion on topics Scott has found the diverse backgrounds of his students has often not strongly prepared them for. Covers the history and status of the field, the basics of toxicology, chemical hazards in the workplace, physical and biological hazards, and applications in selected industries. The exercises encourage students to become familiar with the regulations. Includes a glossary without pronunciation. Annotation c. by Book News, Inc., Portland, Or.