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Asbestos Background Air Testing

Our asbestos consultants can help you with the air testing requirements you might have for any project, including background testing.

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Background asbestos air testing is a useful tool prior to asbestos removal or remediation works. They establish a baseline from which later reassurance or near-source static sampling can be compared.

It can highlight pre-existing elevated levels of asbestos fibres or other similar asbestiform materials that are countable under the WHO (World Health Organisation) counting rules and also indicate that the current site conditions will provide difficulties in obtaining a meaningful count later on. Dust and fumes in particular generated from other site works or neighbouring actives can ‘occlude’ sample filters, rendering them uncountable on site using PCM (Phase Contrast Microscopy).

This will allow us to investigate and control those variables, or employ alternative analytical techniques. SEM (Scanning Electron Microscopy) for example will allow fibre discrimination to distinguish asbestos fibres from morphologically similar material and will cope with filters occluded by dust or fumes.

Background air tests can help save time and effort later on when asbestos is being remediated, particularly on building sites where refurbishments elsewhere are generating large amounts of dust or interfering fibres (mainly the use of man-made mineral fibre material, such as Rockwool insulation).

Franks Portlock has more than a decade’s experience in offering comprehensive asbestos services, including background air testing. To speak to one of our team, please call 0191 419 3116  or contact us.

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