The possibility of danger in any circumference is known as Hazard. The hazardous chemicals are the substances used in
various engineering industries for production, analysis, research and other usages. Any unexpected event producing injury
or damage in engineering industries is referred as an accident. In this study, the review of literature and details of various
accidents that had happened due to hazardous chemicals in south India has been studied. Handling and environmental
preventive methods for engineering chemicals are mentioned for maintaining safe working environment of the
engineering industries.