Environmental Health Risk

II
Nasrin R. Khalili

Nasrin R. Khalili

Illinois Institute of Technology, Chicago, IL, USA

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First published: 15 September 2008
Citations: 1

Abstract

Risk is defined as the probability that a substance or situation will produce harm under specified conditions. Risk can be assessed with regards to safety, human health, ecology, public welfare, and goodwill. Environmental risk assessment involves both risk assessment and management of natural and technological hazards by estimating the potential impact of a chemical, physical, microbiological, or psychosocial hazard on a specified human population or ecological system. Environmental health assessment focuses on the aspects of public health and is concerned with the factors (contaminants and hazards), circumstances (exposure scenarios), and conditions in the environment. Health risk assessment process utilizes a series of assumptions, preferably in a conservative range, about the chemical hazards, exposure scenarios, and the toxicological factors in order to characterize the risks with a minimum level of uncertainty. The environmental health risk assessment provides guidelines for assessing human health risks from environmental hazards.

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