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Asbestos Knowledge Base

The following organisations offer accreditation and certification schemes;

  • The Royal Institution of Chartered Surveyors and the British Occupational Hygiene Society (BOHS) are proposing to develop proficiency certification schemes for individuals who undertake surveys.
    Phone BOHS on: 01332 298087 or see their web sites: and
  • The United Kingdon Accreditation Service (UKAS) provide accreditation to EN45004 for organisations undertaking asbestos surveys.
    Phone UKAS on: 020 8917 8555 Web site:

The main accreditations for asbestos surveying organisations are;

  • EN45004 - general Criteria for bodies performing inspection - available from UKAS.
  • ISO 17025 - for organisations sampling or analysing asbestos - available from UKAS.
  • P402 - an individual proficiency module on building surveys and bulk sampling - offered by BOHS.

All surveying organisations should have and implement policies for quality control and quality assurance. Quality checks including re-inspection and corrective action should be carried out on work in progress. All the procedures of the survey organisation should be quality assured by carrying out audits of completed surveys.