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General ventilation

Local exhaust ventilation

Things to avoid when applying LEV

Common errors in applying extraction are:

Case study

A worker in an electroplating factory developed occupational asthma. It was established that chemicals which can cause asthma were being used in the factory and contaminated air was reaching the workers. The worker had to take early retirement on medical grounds and was awarded compensation.

What the employer has done

The employer has since installed an extraction system to remove the chemical fumes and the risk of other workers developing occupational asthma has been reduced.

Updated 2012-08-30