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Approaches for exposure characterization and data needs for hazardous waste site assessment
1Environmental and Occupational Health Sciences Institute, Piscataway, New Jersey 08855, USA.
Environmental Health Perspectives
|February 1, 1995
Summary
This study reviews methods for assessing population exposure and dose near hazardous waste sites, comparing U.S. Environmental Protection Agency and Agency for Toxic Substances and Disease Registry approaches for public health impact evaluation.
Area of Science:
- Environmental Health Sciences
- Toxicology
- Risk Assessment
Background:
- Hazardous waste sites pose risks to nearby populations.
- Accurate exposure and dose determination are crucial for public health.
- Existing assessment methods need evaluation for real-world applicability.
Purpose of the Study:
- To review and compare federal approaches for exposure and dose assessment near hazardous waste sites.
- To identify data requirements for site-specific risk assessments.
- To outline a comprehensive framework for exposure characterization.
Main Methods:
- Review of federal legislation and agency methodologies (U.S. EPA, ATSDR).
- Analysis of contaminant fate, human contact, and toxic response.
- Discussion of data needs and sources for assessments.
- Outline of Georgopoulos and Lioy's exposure characterization framework.
Main Results:
- Comparison of U.S. EPA and ATSDR assessment approaches.
- Identification of essential data for site-specific evaluations.
- Presentation of a structured framework for exposure characterization.
Conclusions:
- Standardized approaches are essential for evaluating public health impacts from hazardous waste sites.
- Site-specific assessments require detailed data and robust modeling.
- The proposed framework offers a comprehensive method for exposure characterization.