PACEMweb: a tool for aggregate consumer exposure assessment
Christiaan J E Delmaar1, Roel Schreurs2, Martine I Bakker2
1National Institute for Public Health and the Environment-RIVM, Bilthoven, The Netherlands. christiaan.delmaar@rivm.nl.
Journal of Exposure Science & Environmental Epidemiology
|December 15, 2022
Summary
Assessing aggregate chemical exposure from consumer products is vital for safety. The Probabilistic Aggregate Consumer Exposure Model (PACEM) and its web tool, PACEMweb, offer a new, realistic approach to this assessment.
Area of Science:
- Environmental Health
- Risk Assessment
- Consumer Product Safety
Background:
- Chemical safety relies on understanding aggregate human exposure from diverse consumer products.
- Assessing combined exposure from multiple products is crucial for accurate risk evaluation.
Purpose of the Study:
- Introduce the Probabilistic Aggregate Consumer Exposure Model (PACEM) and its web-based tool, PACEMweb.
- Provide a publicly available platform for realistic aggregate consumer exposure assessment.
Main Methods:
- Utilize a person-oriented simulation approach with realistic product usage data from European surveys.
- Incorporate individual use, co-use patterns, and product composition variability.
- Include data on personal care products (PCPs) and household cleaning products (HCPs).
Main Results:
- PACEM has been implemented in the user-friendly PACEMweb tool.
- The model's person-oriented method has been validated through various applications and biomonitoring comparisons.
- PACEM assessments provide insights into exposure distribution and key contributing products.
Conclusions:
- PACEM facilitates realistic aggregate exposure assessment for chemicals in consumer products.
- PACEMweb enhances informed decision-making in chemical risk management.
- This tool is the first of its kind for public use in aggregate exposure assessment.
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