Thérèse Maarschalkerweerd BSc
- Failure analysis
- Environmental forensics
- Particle size distribution
- Particle analysis
- Fibre analysis
TNO can perform analyses and contra-analyses of samples containing asbestos from the atmosphere or other (complex) materials. This may concern a normal determination of the number of asbestos fibres found or, in the case of a contra-analysis, a quality check or second opinion if doubt surrounds the result of an analysis. Independence and integrity form the basis on which TNO undertakes all its analyses and contra-analyses. The analyses comply with the following standards (partly under RvA Test accreditation (L026)):
TNO provides standardised materials containing asbestos to national asbestos laboratories for “Asbestos in Bulk Materials” proficiency testing. TNO also acts as a reference laboratory for the international proficiency testing of asbestos in materials and asbestos in the atmosphere, organised by the Health and Safety Laboratory in Great Britain. This proficiency testing helps keep the quality of laboratories at a high level.
TNO is closely involved in the development of many national (NEN) and international (ISO) standards for the analysis of asbestos in the atmosphere, materials, dust and also in (water)soil and rubble (granulate). For many published NEN standards, like NEN 2990, NEN2991, NEN2939, NEN5707, NEN5897 and NEN 5858, TNO has laid the basis by developing innovative methods of analysis and metrology strategies. TNO is also involved in drafting protocols that describe exposure study procedures (validation measurements, etc.) whereby the focus lies on the preconditions for gathering the metrology data and the subsequent generation of good quality data for the analysis of exposure. A key aspect of this is the establishment of a good metrology strategy that TNO has created on the basis of state-of-the-art work hygiene expertise. For more about our knowledge of exposure assessment & management read.
If you would like to find out more about the analyses TNO can perform for you, please contact us.
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