Local exhaust ventilation (LEV): workplace fume and dust extraction

• Introduction to LEV

  What is LEV and how the system works

• Commission your LEV system

  Ensure the LEV adequately protects people from harmful substances

• Common processes and sources

  Videos showing the dangers to be aware of

• LEV calculations

  Useful calculator for LEV assessors, conversions, averages and volume flow

• Case studies

  Examples of how others have solved common problems

• Frequently asked questions

  Airflow, competence, examination and test, and on-tool extraction

• Resources

  INDG408, INDG409, publications, and glossary of terms