1 services found
Acorn Analytical Services (UK) Ltd Services
Asbestos Testing Services
Asbestos air testing is an activity where a known rate of air is drawn through a filter over a measured period of time. During this time, airborne particles are collected on to the filter. The filter is then prepared for examination under a microscope. A representative percentage of the filtered is examined using phase contrast microscopy to count all fibres seen. Only fibres which meet the set size criteria are then counted over a number of areas. The ...