occupational hygiene is that science and art devoded to the recognition, identification, evaluation and control of those environmental factors and stresses that arise in or from the workplace and that may caurse sickness, impared health and well-being or significant discomfort and ineffiency of the worker. Books have fifteen chapters and volume 1 covers from chapter 1 to chapter 5 while volume 2 covers from chapter 6 to chapter 15. Chapters from volume 1 covered occupational hygiene- The old and the new, Risk assessment, occupational Health and safety Acts and Regulations: Hazardous chemical substances, Basic principles, Dusts, solvents and metals, welding fumes. Chapters from volume 2 covered physical environmental factors: Thermal environmental, Noise, Vibration, Non-ionising radiation, lllumination, lonising radiation, occupational biohazards, Ergonomics, Environmental stressors and work-related stress, control of excessive exposure, confined spaces, Abnormal pressure, Introduction to behavioural health and safety practices, Research and statistical principles for occupational hygien and lastly Occupational health quality standards and audits 

table of contents, illustrations, Glossary and bibliography