Glossary H
Deutsch: Gefahr / Español: Peligro / Português: Perigo / Français: Danger / Italiano: Pericolo /
In the environmental context, a 'hazard' refers to any agent, substance, condition, or event that has the potential to cause harm, damage, or adverse effects to the environment, living organisms, property, or human health. Hazards can arise from both natural and human-induced sources and can manifest in various forms. Understanding hazards is essential for risk assessment, management, and the development of strategies to mitigate their impacts.
A Hazard Index (HI): is the sum of hazard quotients for substances that affect the same target organ or organ system.
A Hazard Ranking System (HRS) is the method EPA uses to assess and score the hazards posed by a site that takes into account the nature and extent of Contamination and the potential for the hazardous substances to migrate from the site through air, soil, surface water, or groundwater; HRS scores are used to determine whether a site should be placed on the National Priorities List (NPL)
The Hazardous Air Pollutant Exposure Model, Version 4 (HAPEM4) is a computer model that has been designed to estimate inhalation exposure for specified population groups and air toxics.
A Hazardous and Solid Waste Amendments (HSWA) is amendments to RCRA,
Deutsch: Gefährlicher Abfall / Español: Residuos Peligrosos / Português: Resíduos Perigosos / Français: Déchets Dangereux / Italiano: Rifiuti Pericolosi /
A Hazardous Waste is by-product s or waste materials of manufacturing and other processes that have some dangerous property; generally categorized as corrosive, ignitable, toxic, or reactive, or in some way harmful to people or the environment