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A hazard is a situation that poses a level of threat to life, health, property, or environment. Most hazards are dormant or potential, with only a theoretical risk of harm; however, once a hazard becomes "active", it can create an emergency. A hazardous situation that has come to pass is called an incident. Hazard and possibility interact together to create risk.〔"a subjective concept that refers to the possibility of the circumstances under which the matter, field, information, energy, or all may influence the complex system, it would lead to consequences that are, or valued stakeholders (at the level of thinking, feeling or instinct) at a certain stage of development of the perceiver as negative". Zalatynskyi Vasyl Danger - a subjective evaluation of objective reality. Science & Military. – L. Mikulas, Slovak Republik. Armed Forces Academy of General Milan Rastislav Stefanik. No 1, Volume 8, 2013. P. 53-62 EV 2061/08, ISSN 1336-8885〕 Identification of hazard risks is the first step in performing a risk assessment. ==Modes of a hazard== Hazards are sometimes classified into three modes: *Dormant—The situation presents a potential hazard, but no people, property, or environment is currently affected. For instance, a hillside may be unstable, with the potential for a landslide, but there is nothing below or on the hillside that could be affected. *Armed—People, property, or environment are in potential harm's way. *Active—A harmful incident involving the hazard has actually occurred. Often this is referred to not as an "active hazard" but as an accident, emergency, incident, or disaster. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「hazard」の詳細全文を読む スポンサード リンク
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