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Workshop on Exposure Research Needs for Addressing Cumulative Risk

By Cohen-Hubal Ph. D.

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Book Id: WPLBN0000068713
Format Type: PDF eBook
File Size: 0.1 MB
Reproduction Date: 2007
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Title: Workshop on Exposure Research Needs for Addressing Cumulative Risk  
Author: Cohen-Hubal Ph. D.
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Publication Date:
Publisher: United States Environmental Protection Agency


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Ph. D, C. H. (n.d.). Workshop on Exposure Research Needs for Addressing Cumulative Risk. Retrieved from

Excerpt: Scientific Problem and Policy Issues Humans and other living things are exposed to a multitude of chemicals, physical agents, and other stressors through multiple pathways, routes, and sources. To address this problem, the U.S. EPA’s Office of Research and Development (ORD) has identified cumulative-risk assessment as a priority research area. In order to assess cumulative risk, one must shift from the traditional paradigm of assessing risk on an individual chemical or facility basis, to a person-oriented community (population) basis. Typically, when estimating population exposures, risk assessors do not simultaneously track an individual's exposure to multiple chemicals and do not consider factors other than chemical exposure that can contribute to adverse health effects. These other factors include individual-specific factors (e.g., compromised health), exposure to non-chemical stressors, and exposures accumulated over time. Many different types of data are required and these data need to be collected, interpreted, and presented in new ways to classify populations and characterize exposures.

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