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Ignition risks can be minimized by controlling heat sources and using materials that will not ignite or will not support burning in the applicable environment. Some materials are more susceptible to ignition in oxygen-rich environments, and compatibility should be assessed before a component is introduced into an oxygen system. [ 1 ]
Among several safety systems of work relevant to hazardous process plants, OSHA's PSM singles out the permit-to-work for hot work as arguably the most critical for the prevention of major process safety accidents. Hot work provides ignition sources to potential flammable vapors, which can cause fires and/or explosions.
Intrinsic safety (IS) is a protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy, electrical and thermal, available for ignition. In signal and control circuits that can operate with low currents and voltages, the intrinsic safety approach simplifies circuits and reduces installation cost over ...
The use of artificial light as the sole source of light or mixing artificial and daylight might cause ill-health effects, both physical and mental, such as eye strain, headaches, or fatigue. The standards address the types of light that negatively affect vision, angles of light in different environments, illumination standards per square meter ...
These measures may include installation of fire sprinklers or storage remote from possible sources of ignition. Substances with low combustibility may be selected for construction where the fire risk must be reduced, such as apartment buildings, houses, or offices.
The health and safety hazards of nanomaterials include the potential toxicity of various types of nanomaterials, as well as fire and dust explosion hazards. Because nanotechnology is a recent development, the health and safety effects of exposures to nanomaterials, and what levels of exposure may be acceptable, are subjects of ongoing research.
Because the mixture by definition is ignitable before inerting commence, it is imperative that the inerting procedure does not introduce a potential source of ignition, or an explosion will occur. NFPA 77 states [2] that carbon dioxide from high-pressure cylinders or fire extinguishers should never be used to inert a container or vessel.
Process safety is an interdisciplinary engineering domain focusing on the study, prevention, and management of large-scale fires, explosions and chemical accidents (such as toxic gas clouds) in process plants or other facilities dealing with hazardous materials, such as refineries and oil and gas (onshore and offshore) production installations.
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