Section 3-2. Measurement of pollutants in the working atmosphere as a basis for risk assessment

If the employer is unable to document that the pollution of the working atmosphere is at a completely safe level, cf. the Regulations concerning Action and Limit Values, the working environment shall be monitored by taking regular measurements.
Measurements shall also be taken when changes have been made in the undertaking that may increase the employees' exposure to pollutants in the working atmosphere.
The mapping and measurements shall be documented.