Workplace Safety . Unit 2. Hazard . Any substance, or physical property of equipment, process, or task design that poses a potential threat to the health and/or safety of the individual, or causes significant discomfort and inefficiency among workers. . Hazard Categories . Chemical
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Workplace Safety Unit 2
Hazard • Any substance, or physical property of equipment, process, or task design that poses a potential threat to the health and/or safety of the individual, or causes significant discomfort and inefficiency among workers.
Hazard Categories • Chemical • Physical • Biological • Ergonomic
Chemical Hazards • Dust/Fibers • Solid particles of materials such as silica, coal, cotton, asbestos. • Furstes • Particles formed when material from a volatilized solid condenses in cool air, such as nickel, beryllium, zinc, iron.
Chemical Hazards • Smokes • Solid/liquid particles resulting from incomplete combustion of materials such as wood, coal, plants, petroleum products. • Mists/Aerosols • Liquid particles suspended in air, such as chromic acid, hydrochloric acid, sulphuric acid.
Chemical Hazards • Gases • Formless fluids that expand to occupy the space or enclosure to which they are confined such as: hydrogen-sulphide, chlorine, carbon monoxide. • Vapors • The gaseous form of normally solid or liquid substances subject to evaporation, such as: gasoline, alcohol, paint, thinners, solvents.
Physical Hazards • Noise • Unwanted or excessive sound • Temperature • High or low extremes • Illumination • Lighting level, intensity and glare • Vibration • To and fro motion or oscillation; transmitted to the body as “whole body” vibration or “segmental” vibration.
Physical Hazards • Pressure • Inadequate or excessive atmospheric force for the body. • Radiation • The process in which energy in the form of rays is sent through space from atoms and molecules as they undergo internal change. • Ionizing radiation • Evolves from the nucleus of an atom: non-ionizing from varying electric and magnetic fields, such as: ultraviolet, laser, infrared, microwave, radio frequency
Biological Hazards • Bacteria • Viruses • Fungi-Molds • Mites • Insects • Parasites • Plants • Animals
Ergonomic Hazards • Repetitive motion • Heavy lifting • Awkward or static posture • Fatigue • Overexertion • Monotony • Perceptual confusion or overload • Varying metabolic cycles • Direct pressure • Excessive force