Glossary H

The Environmental Glossary. Letter H +++ Popular Articles: 'Heating Penalty', 'Human', 'Human Development Index'

Deutsch: Ernte / Español: Cosecha / Français: Rêcolte / Italiano: Raccolta

Harvest in the environmental context refers to the process of gathering mature crops from fields or the collection of other natural resources, such as timber, fish, or wildlife, for various purposes. It is a critical aspect of agriculture, forestry, and fisheries management and plays a significant role in ensuring the availability of food, raw materials, and other essential resources. The term encompasses activities like crop harvesting, timber harvesting, and wildlife harvesting, each serving distinct purposes within the environmental domain.

A Harvestore Silo is a brand of Oxygen limiting (air tight) upright silos with bottom unloading.

Hay is Dried feed consisting of the entire plant that can be used a feed for ruminant animals. Alfalfa, clover, grass, and oat Hay are used in dairy rations.

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 quotient: is the Ratio of the potential Exposure to the substance and the level at which no adverse effects are expected. If the Hazard Quotient is calculated to be less than

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)

- Hazardous Air Pollutant Exposure Model :

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,

A Hazardous Chemical is see Hazardous Substance

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