Medical screening and surveillance are valuable tools in workplace safety. Screening tests are administered to at risk employees,before symptoms appear,with the fundamental purpose for early diagnosis and treatment of the person. Medical surveillance refers to the systematic collection, analysis and dissemination of health information on groups of workers such as hearing threshold shift or blood lead levels. A physical exam is utilized as a component of medical screening, surveillance and/or job certification exam.

• AAFP Guidelines
  The AAFP "Medical Surveillance in Work-Site Safety and Health Programs" guidelines for primary prevention and developing a medical screening and surveillance plan.
• Navy Occupational and Environmental Medicine
  This site provides the Navy's Medical Procedures Manual and Medical Matrix . It contains specific protocols for each medical program in the Matrix. In addition to a brief explanation of each program a list of references to clarify the purpose of each.
• NIOSH Pocket Guide to Chemical Hazards
  The guide is a source of industrial hygiene information on chemicals/classes for workers, employers, and health care professionals. The reference includes information on Health Hazards including route, symptoms, first aid and target organ information.
• Screening and Surveillance: A guide to OSHA Standards
  This informative OSHA booklet provides an overview of standard related topics. It is a quick reference to screening and surveillance requirements of OSHA standards.