Dermal exposure assessment in occupational medicine

Area of Science:

• Occupational Health
• Toxicology
• Dermal Exposure Science

Background:

• Dermal exposure to toxicants is increasingly recognized as a significant occupational risk.
• Chemicals such as pesticides, aromatic amines, and polycyclic aromatic hydrocarbons pose the highest dermal risks.
• Existing occupational exposure limit lists (e.g., ACGIH) use a 'skin notation' but lack a standardized criterion for its assignment.

Purpose of the Study:

• To address the limitations in assessing dermal exposure risks.
• To highlight the need for health-based dermal occupational exposure limits (DOELs).
• To emphasize the requirement for dermal penetration data and practical risk assessment models for regulatory agencies and businesses.

Main Methods:

• Review of current practices in occupational exposure limit setting.
• Analysis of the challenges in establishing health-based dermal occupational exposure limits (DOELs).
• Identification of the need for dermal penetration data and risk assessment models.

Main Results:

• A lack of a generally accepted criterion for assigning 'skin notation' hinders accurate risk assessment.
• Attempts to develop health-based dermal occupational exposure limits (DOELs) have seen limited practical application.
• There is a critical need for dermal penetration data to predict systemic risk.

Conclusions:

• Current occupational safety standards require enhancement to adequately address dermal exposure risks.
• Development of standardized criteria for 'skin notation' and practical risk assessment models is essential.
• Further research into dermal penetration is crucial for setting effective safety standards, especially for small and medium-sized enterprises.