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Background measurements.

For cleanups in Hazard Class 3, the performance of background measurements is a supplementary requirement from the standard. The air measurements are taken in the spaces surrounding the containment.

In this way, we can ascertain whether there are perhaps raised fibre concentrations present in the spaces surrounding the containment. Safety is at the forefront; by using background measurements, you can be sure that the airborne asbestos fibre concentrations in all spaces next to the containment are below the legal limit. For other situations, air measurements can be carried out, in which the loaded gold filters are analysed under the electron microscope with X-ray microanalysis.