Asbestos Air Monitoring & Clearance Testing

The Legal Requirements

Whenever any work is under taken with a material that contains asbestos or after an incident involving and accidental disturbance air monitoring within the effected area can provide reassurance that the space is safe for occupation.

Where any "licensable" asbestos works have been carried out  a four stage clearance (4SC) inspection is required on the work area and a certificate of Re-Occupation obtained prior to the area being returned to normal use.

Leftfield Environmental provides a complete range of site based UKAS accredited air monitoring and clearance testing services including:

  • Reassurance testing
  • Background testing
  • Personal monitoring
  • Four stage clearance
  • Enclosure integrity testing and leak testing

Our air monitoring services are UKAS accredited which ensures conformity to IS)/IEC17025:2017 and are carried out in accordance with HSE guidance including HSG248 Asbestos: The analysts’ guide and in-house procedures.

Type of Monitoring

  • Clearance Testing - Four stage clearance procedure under taken after any work on either asbestos coating, asbestos insulation and asbestos insulating board.
  • Reassurance - Static air sampling under taken to show airborne fibre levels within an area.
  • Background - Static air sampling within an area prior to under taking of any work with asbestos to indicate ambient fibre levels.
  • Leak - Static air sample taken around "live" asbestos work area to check for a loss of containment.
  • Personal - Under taken to provide exposure data for an individual operative to allow monitoring of control procedures and to calculate individual exposure assessments.
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