The manual guides an instructor in conducting a training course for first-line supervisors to familiarize them with six aspects relating to the Occupational Safety and Health Act of 1970: (1) requirements of the Act, (2) compliance with its standards, (3) identification of health and safety hazards, (4) correction of adverse conditions, (5) record keeping required by the Act, and (6) effective principles and practices of occupational safety and health. As introductory materials, the manual presents a brief explanation of the Act, types of safety and health standards, and the Code of Federal Regulations in the Federal Register. An administrative duties checklist is presented, and three duties of the trainee are enumerated. Needed training materials are outlined together with instructions for ordering. A suggested format for the course is included. A presentation checklist covers items to be included at the trainee orientation meeting. (AG)