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Updated: Jun 20, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework

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Published on: July 24, 2016

Perspectives on cumulative risks and impacts.

¹Reproductive and Cancer Hazard Assessment Branch, Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA 94612, USA. jfaust@oehha.ca.gov

International Journal of Toxicology

|October 1, 2009

Summary

Traditional risk assessment methods have limitations for evaluating cumulative risks. California

Area of Science:

Environmental toxicology
Public health
Environmental justice

Background:

Traditional risk assessment methodologies have limitations in evaluating cumulative risks.
Regulatory and programmatic contexts define cumulative risks and impacts differently.
Environmental justice initiatives highlight the need for broader impact assessments.

Purpose of the Study:

To explore a framework for evaluating cumulative impacts beyond traditional risk assessment.
To incorporate environmental justice principles into impact evaluations.
To consider sensitive populations and socioeconomic factors in assessments.

Main Methods:

Defining cumulative impacts to include exposures from all sources and media.
Considering sensitive populations and socioeconomic factors.

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Watershed Planning within a Quantitative Scenario Analysis Framework

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Published on: July 24, 2016

An R-Based Landscape Validation of a Competing Risk Model

An R-Based Landscape Validation of a Competing Risk Model

Published on: September 16, 2022

Focusing on geographic or community-level assessment scales.

Main Results:

Cumulative impact assessments extend beyond traditional toxicological data.
The approach includes exposures, public health, and environmental effects.
Socioeconomic factors and sensitive populations are key considerations.

Conclusions:

A comprehensive approach to cumulative impact assessment is necessary.
Integrating environmental justice principles enhances risk evaluation.
Broader data, including socioeconomic and environmental factors, inform better risk management decisions.