The EPA's human exposure research program for assessing cumulative risk in communities

Area of Science:

• Environmental Health
• Risk Assessment
• Community Science

Background:

• Communities face challenges in identifying and prioritizing environmental issues.
• Barriers exist in accessing and utilizing scientific tools for exposure assessment and risk reduction.
• Community groups often rely on risk perception over scientific data due to these challenges.

Purpose of the Study:

• To present the National Exposure Research Laboratory's (NERL) Cumulative Communities Research Program.
• To outline key science questions and research needs for cumulative risk assessment.
• To provide community partners and researchers with an understanding of available tools and opportunities.

Main Methods:

• Developing and applying tools (models, data, methods) for cumulative risk assessments.
• Focusing on systematic identification of chemical stressors.
• Estimating exposure to multiple stressors for epidemiological studies.
• Assessing community-level exposure distributions for risk reduction evaluation.

Main Results:

• Existing risk assessment tools require collaborative development for user-friendliness and comprehensiveness.
• There is a need for tools to quantify cumulative risks and the impact of risk reduction activities.
• More data are needed to link community and individual exposures with health effects.
• Research is needed to incorporate non-chemical stressors into cumulative risk assessments.

Conclusions:

• Advancing the science of cumulative risk assessment is crucial for public health.
• Empowering communities with accessible information enables informed decision-making.
• Collaborative development of user-friendly tools is essential for practical application in environmental health.