Monitoring strategies for toxic substances

This guidance document, which primarily targets employers, is an introduction to the design of inhalation exposure monitoring strategies. These procedures can be used to determine employee exposure by inhalation to substances hazardous to health. They will also help in investigating the nature, extent and control of employee exposure. The guidance document helps readers to understand and ask questions about any information or advice they receive from consultants and others. Health and safety professionals may also use this guidance document as an introduction to the subject.