Specialised in: Asbestos Clearances, Asbestos Surveys Programs & Management Plan, Occupational Hygiene Services , Assessments & Mould & Biological Risk Consultancy

Asbestos Analytical Services

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Asbestos Analytical Services

Asbestos Fibre Counting is the testing method or analysis of airborne asbestos fibres. The test method is guided by the Guidance Note – Membrane Filter Method for Estimating Airborne Asbestos Fibres 2nd Edition, prepared by NOHSC, which gives an estimated results of asbestos fibre levels in the air before, during and after asbestos removal works.

The sampling technique assesses the exposure time and the effectiveness of control measures. This is commonly known as air monitoring, which includes exposure, control, and clearance monitoring. When carrying out air monitoring, air monitoring pumps draw a minimum of 480 litres of air through a cellulose membrane filter.

Asbestos Analytical Services

The filter traps asbestos fibres, which can then be counted under a phase-contrast microscope. The number of fibres on the filter, when combined with a known volume of air, allows a concentration of asbestos fibres in the air to be calculated. This asbestos concentration is an indication of whether the air in the tested area is satisfactory or not when compared to World Health Organisation guidelines.

Asbestos Analytical Services

The filter traps asbestos fibres, which can then be counted under a phase-contrast microscope. The number of fibres on the filter, when combined with a known volume of air, allows a concentration of asbestos fibres in the air to be calculated. This asbestos concentration is an indication of whether the air in the tested area is satisfactory or not when compared to World Health Organisation guidelines.

Aerem Limited offers on-site or in house fibre counting services which is a requirement for the following services:

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