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In hazard identification, sources of data on the risks associated with prospective hazards are identified. For instance, if a site is known to be contaminated with a variety of industrial pollutants , hazard identification will determine which of these chemicals could result in adverse human health effects, and what effects they could cause.
Risk is a function of exposure and hazard. For example, even for an extremely toxic (high hazard) substance, the risk of an adverse outcome is unlikely if exposures are near zero. Conversely, a moderately toxic substance may present substantial risk if an individual or a population is highly exposed.
A hazard pictogram to indicate a hazard from a flammable substance.. A hazard is a potential source of harm.Substances, events, or circumstances can constitute hazards when their nature would potentially allow them to cause damage to health, life, property, or any other interest of value.
A hazard is recognized if it is a condition that is (a) of a common knowledge or general recognition in the particular industry in which it occurred, and (b) detectable (1) by means of the senses (sight, smell, touch, and hearing), or (2) is such wide, general recognition as a hazard in the industry that even if it is not detectable by means of ...
Certain groups of people can be put at a higher risk for environmental hazards like air, soil and water pollution. This often happens due to marginalization, economic and political processes, and racism. Environmental racism uniquely affects different groups globally, however generally the most marginalized groups of any region are affected.
When used as part of an aviation hazard analysis, a "Likelihood" is a specific probability. It is the joint probability of a hazard occurring, that hazard causing or contributing to an aircraft accident or incident, and the resulting degree of loss or harm falling within one of the defined severity categories.
A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living beings. [a]
An occupational hazard is a hazard experienced in the workplace. This encompasses many types of hazards, including chemical hazards , biological hazards (biohazards), psychosocial hazards , and physical hazards .