Health and Safety Executive

Significant exposure

Significant exposure means exposure in the following circumstances –

  • Where any employee is or is liable to be exposed to a concentration of lead in the atmosphere exceeding half the occupational exposure limit for lead
  • Where there is a substantial risk of any employee ingesting lead or
  • If there is a risk of an employees skin coming into contact with lead alkyls, or any other substance cotaining lead in a form which can also be absorbed through the skin.

Action levels

Category Action level
General employees 50 µg/dl
Women capable of having children 25 µg/dl
Young people under the age of 18 40 µg/dl

Suspension levels

Category Suspension level
General employees 60 µg/dl
Women capable of having children 30 µg/dl
Young people under the age of 18 50 µg/dl

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Updated: 14.10.10