| English | Portuguese |
| biotechnological hazard | perigos biotecnológicos |
| biotechnological hazard | risco biotecnológico |
| biotechnological hazard A danger to humans, animals or the environment posed by the application of advanced biological techniques in the manufacture of industrial products, such as the risk or harm that results from exposure to infectious bacteria, viruses or fungi | perigos biotecnológicos |
| chemical hazard | risco de acidente químico |
| critical pathways for the transfer of radionuclides present a major radiation hazard | as vias críticas de transferência de radionuclídeos representam um dos maiores riscos de irradiação |
| environmental hazard | risco ambiental |
| environmental hazard | perigos ambientais |
| environmental hazard | riscos do meio ambiente |
| environmental hazard A physical or chemical agent capable of causing harm to the ecosystem or natural resources | perigos ambientais |
| environmental health hazard | perigos ambientais saúde |
| environmental health hazard | riscos ambientais para a saúde |
| environmental health hazard Any physical, chemical or other agent capable of causing harm to the interrelationship between humans and the surrounding external conditions, threatening both human well-being and ecological integrity | perigos ambientais |
| EUR-OPA Major Hazards Agreement | Acordo Parcial Aberto do Conselho da Europa sobre Riscos Graves |
| EUR-OPA Major Hazards Agreement | Acordo EUR-OPA |
| European Programme on Climatology and Natural Hazards | Programa Europeu em matéria de Climatologia e Riscos Naturais |
| flood hazard map | carta de zonas inundáveis |
| hazard area | zonas perigosas |
| hazard area | área perigosa |
| hazard area Any site or region in which there is a physical or chemical agent capable of causing harm to property, persons, animals, plants or other natural resources | zonas perigosas |
| hazard of pollutants | riscos representados pelos poluentes |
| hazard of pollutants | perigos dos poluentes |
| hazard of pollutants Risk or danger to human health, property or the environment posed by the introduction of a harmful substances into the ecosystem | perigos dos poluentes |
| Hazard Ranking System | Sistema de Classificação de Locais Perigosos |
| hazard rating | classificação do risco potencial |
| hazard rating procedure | procedimento para classificação do risco |
| health hazard | perigos para a saúde |
| major hazard | risco grave |
| major industrial accident hazard | risco de acidente industrial grave |
| Major-Accident Hazards Bureau | Gabinete dos Riscos de Acidentes Graves |
| Major-Accident Hazards Bureau | GRAV |
| natural hazard | perigo natural |
| natural hazard The probability of occurrence, within a specific period of time in a given area of a potentially damaging phenomenon of nature | perigos naturais |
| navigational hazard | risco de navegação |
| navigational hazard | riscos para a navegação |
| navigational hazard Any obstacle encountered by a vessel in route posing risk or danger to the vessel, its contents or the environment | riscos para a navegação |
| nuclear hazard | perigos nucleares |
| nuclear hazard | risco nuclear |
| nuclear hazard Risk or danger to human health or the environment posed by radiation emanating from the atomic nuclei of a given substance, or the possibility of an uncontrolled explosion originating from a fusion or fission reaction of atomic nuclei | perigos nucleares |
| Open Partial Agreement on Major Hazards EUR-OPA | Acordo Parcial Aberto do Conselho da Europa sobre Riscos Graves |
| technological hazard | perigos tecnológicos |
| technological hazard | risco tecnológico |
| technological hazard Any application of practical or mechanical sciences to industry or commerce capable of harming persons, property or the environment | perigos tecnológicos |
| telluric hazard | risco telúrico |
