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Harmonization of future needs for dermal exposure assessment and modeling: a workshop report
H Marquart1, S Maidment, J L McClaflin
1TNO Food and Nutrition Research Institute, Zeist, The Netherlands.
Applied Occupational and Environmental Hygiene
|February 24, 2001
Summary
Dermal exposure assessment and modeling require further development and validation. Harmonizing future needs through transparent, validated methods is crucial for accurate risk assessment and control.
Area of Science:
- Occupational hygiene and toxicology
- Risk assessment and exposure science
Background:
- Dermal exposure assessment and modeling are in early development stages.
- Existing methods for assessing dermal exposure focus on contaminant transfer to or through the skin.
- Current models are primarily knowledge-based or deterministic.
Framework:
- Methods and models must be transparent, validated, and adaptable for future development.
- Validated methods exist for skin and personal protective equipment (PPE) permeation, but require further standardization.
- Research gaps include dust/aerosol permeation and realistic PPE testing.
Implementation:
- Surface and skin contamination measurement methods lack validation and standardization.
- Numerous non-validated models exist for dermal exposure assessment.
- A significant need exists for more studies on dermal exposure measurement, modeling, and actual exposure levels.
Implications:
- An ongoing European study will significantly advance knowledge in dermal exposure.
- Development of simple risk assessment and control tools for small and medium-sized enterprises is needed.
- Enhanced practitioner knowledge, data accessibility via IT, and standardized data collection are essential for advancing dermal exposure science.