Asbestos removal and disposal overview

Disposal of asbestos waste is subject to the Hazardous Waste Regulations which requires it to be consigned to an authorised asbestos waste site only. Asbestos waste describes any asbestos products or materials that are ready to be disposed.

This includes any contaminated building materials, dust, rubble, used tools that cannot be decontaminated, disposable PPE and damp rags that have been used for cleaning. Asbestos waste must be placed in suitable packaging to prevent any fibres being released.

This should be double wrapped and appropriately labelled. Standard practice is to use a red inner bag with appropriate hazard markings. Intact asbestos cement sheets and textured coatings that are firmly attached to a board should not be broken up into smaller pieces.

These should instead be carefully double wrapped in suitable polyethene sheeting (1000 gauge) and labelled.     

The waste container must be strong enough to securely contain the waste and not become punctured; it must be easily decontaminated, kept securely on the site until required and properly labelled. The waste must only be carried by a licenced contractor.

Asbestos waste removal bags

Accidental exposure to ACMs can occur even when all reasonable precautions have been taken. If and ACM has been worked on by a worker who did not realise that it was an ACM or has accidental damage an ACM, then all work must stop immediately and nobody should be allowed to enter the area in question.

The work supervisor must be informed and a sample of the material sent for analysis. If the result is positive, then a specialist licenced contractor should be employed unless the work is exempt from the need for a licence. Any contaminated clothing must be removed and placed in a plastic bag. The affected worker should shower as soon as possible or wash thoroughly.   

Control of Asbestos Regulations (CAR) 2012

By April 2015, all workers/ self-employed doing notifiable non-licensed work with asbestos must be under health surveillance by a Doctor. Workers who are already under health surveillance for licensed work need not have another medical examination for non-licensed work.

BUT medicals for notifiable non-licensed work are not acceptable for those doing licensed work. There has been some modernisation of language and changes to reflect other legislation, e.g. the prohibition section has been removed as the prohibition of supply and use of asbestos is now covered by REACH.

Asbestos Regulations also include the duty to manage asbestos in non-domestic premises. The regulations require mandatory training for everyone liable to be exposed to asbestos fibres at work. These include maintenance workers and others who may come into contact with or who may disturb asbestos as well as those involved in asbestos removal work. 

When work with asbestos or which may may disturb asbestos is being carried out, the Control of Asbestos Regulations 2012 (CAR) requires employers and self-employed to prevent exposure to asbestos fibres.

Where this is not reasonably practicable, they must make sure that exposure is kept as low as reasonably practicable, they must make sure that exposure is kept as low as reasonably practicable by measures other than the use of respiratory protective equipment (RPE). The spread of asbestos must be prevented.

The Regulations specify the work methods and controls that should be used to prevent exposure and spread. 

The importance of Respiratory Protective Equipment during asbestos removal

Respiratory Protective Equipment is an important part of the regime but it must not be the sole measure used to reduce exposure and should only be used to supplement other measures.

Work measures that control the release of fibres such as those detailed in the demolition systems for non-licensed work should be used. RPE must be suitable, must fir properly and must ensure that worker exposure is reduced as low as is reasonably practicable.

Most asbestos removal work must be undertaken by a licensed contractor but any decision on whether particular work is licensable is based on the risk. Work is only exempt from licensing if:

  • The  exposure of employees to asbestos fibre is sporadic and low intensity (but exposure cannot be considered to be sporadic and of low intensity. 
  • It is clear from the risk assessment that the exposure of any employee to asbestos will not exceed the control limit; and the work involves , short non-continuous maintenance activities if any one person carries out work with these materials for less than 1 hour in a 7-day period. The total time spent by all workers on the work should not exceed a total of 2 hours.
  • Removal of materials in which the asbestos fibres are firmly linked in a matrix. Such materials include: asbestos cement; textured decorative coating and paints which contain asbestos; articles of bitumen, plastic, resin or ribber which contain asbestos where their thermal or acoustic properties are incidental to their main purpose(e.g. vinyl floor tiles, electric cables, roofing felt); and other insulation products which may be used at high temperatures but have no insulation purpose (e.g. gaskets, washers, ropes and seals).
  • Encapsulation or sealing of ACMs which are in good condition; or air monitoring and control, and the collection and analysis of samples to find out if a specific material contains asbestos.

Under the CAR 2012, anyone carrying out work on asbestos insulation, asbestos coating or asbestos insulating board (AIB) needs a licence issues by the HSE unless they meet one of the exemptions above.

Although work may not need a licence to carry out a particular job, there is still a need to comply with the rest of the requirements of the CAR 2012. If the work is licensable there are a number of additional duties. Duty-holders need to:

  • Notify the enforcing authority responsible for the site where they are working ( for example the HSE or the local authority)
  • Designate the work area
  • Prepare specific asbestos emergency procedures and pay for their employees to undergo medical surveillance.   

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