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I study how toxicological data are used in risk assessment of chemicals and setting of exposure guideline values. Mainly I have focused on the kind of chemicals and exposures that occur in the workplace, that is inhalation and dermal, and how such risks are managed by work environment authorities, e.g. by setting occupational exposure limits and skin notations. I am interested in how new approaches to collecting knowledge can improve chemical safety, for instance new methods for deriving toxicological data and improved risk assessment methodology. 
Among my current projects are:
-Exposure limit derivation procedures in theory and practice
-Understanding and use of occupational exposure limits
-Uptake and effects due to skin exposure
-Cleaning agents as a chemical risk

• Supervises doctoral students and master’s students.
• Teaches in the master’s programs in work and health and in toxicology.
• Lectures at various levels on the assessment and management of chemical risks.