Asbestos in Soil Aberdeen — control the groundworks from first fragment to final validation
Unexpected suspect asbestos uncovered during excavation?
Stop disturbing the affected location, prevent plant and personnel trafficking through the discovery, control access and avoid mixing the affected soil into clean stockpiles until the find has been assessed.
One fragment does not automatically define the asbestos risk across the whole site
Ground-risk decisions need to consider distribution, material form and the earthworks that will disturb the soil.
Distribution
Establish whether contamination is isolated, concentrated in a hotspot, associated with a fill layer or dispersed through made ground.
Asbestos form
Intact cement fragments present a different handling question from fine, highly fragmented or friable asbestos debris.
Earthworks
Excavation, screening, stockpiling, loading and processing change exposure and spread potential compared with undisturbed buried material.
Build the asbestos strategy around site history and proposed earthworks
Historic buildings, demolition footprints, imported fill, former industrial activity and previous investigations can help explain likely source and distribution.
The asbestos strategy should align with foundations, drainage, services, piling, formation reductions, landscaping and stockpile movement.
Useful information
- site investigation report
- previous land use
- made-ground depth
- previous asbestos results
- earthworks drawings
- stockpile / haul routes
- receptors and boundaries
- future land use
A watching brief should actively manage discoveries, not simply observe the excavator
Pre-start review
Review investigation data, excavation areas, controls and unexpected-find procedure.
Observe relevant works
Monitor soil disturbance so suspect materials can be identified before wider spread.
Manage discoveries
Stop, redirect or segregate affected work and coordinate sampling or assessment.
Record evidence
Document locations, depths, samples, photographs, soil movements, instructions and outcomes.
Picking, targeted excavation, capping or a combined strategy?
The appropriate approach depends on asbestos form, distribution, development layout, waste/material status and the agreed remediation strategy.
Controlled picking
Can form part of a strategy where contamination is visible, accessible and suitably robust.
Targeted / bulk excavation
May be needed where asbestos is dispersed, highly fragmented, more friable or incompatible with development.
Retention beneath cover
Can be considered where the site-specific remediation strategy and regulatory/material position support on-site retention.
Air monitoring
Task-appropriate monitoring may support excavation, screening, picking or perimeter questions where justified by the risk assessment.
Dockland, redevelopment and demolition fill can create asbestos in made ground
Torry & Footdee
Former industrial and dock-related land can contain demolition debris, imported fill and historic structures that require a site-specific asbestos strategy during enabling and groundworks.
Dalmarnock, Woodside & redevelopment
Foundations, drainage, service installation, piling and formation reductions can expose previously buried asbestos-containing fragments within heterogeneous made ground.
Scottish waste interface
Excavated material that becomes waste must be assessed against the relevant Scottish waste and special-waste requirements alongside occupational asbestos controls and the remediation strategy.
Useful references include CL:AIRE asbestos-in-soil guidance and SEPA special-waste guidance.
Industrial history, demolition fill and redevelopment can create asbestos in made ground
Torry, Footdee & harbour and industrial industry
Former workshops, engineering property, yards and demolished structures can leave asbestos-cement fragments or other ACM debris within made ground.
Dalmarnock, Dyce & regeneration
Foundations, drainage, piling, service installation and formation reductions can expose previously buried asbestos-containing material on redeveloped urban sites.
Aberdeenshire and North East Scotland brownfield land
One fragment does not define the whole site. Interpretation should consider source history, distribution, fill depth, asbestos form, earthworks, exposure pathways and proposed end use.
Useful references include CL:AIRE asbestos-in-soil guidance and SEPA special-waste guidance.
Industrial history, former yards and demolition fill can create asbestos in made ground
Harbour, industrial & energy land
Former workshops, depots, engineering property, yards and demolished structures can leave asbestos-cement fragments or other ACM debris within made ground.
Dyce, Altens, Tullos & redevelopment
Foundations, drainage, piling, service installation and formation reductions can expose previously buried material on long-developed industrial plots.
Aberdeenshire sites
One visible fragment does not define the whole site's condition. Interpretation should consider site history, distribution, fill depth, asbestos form, earthworks, exposure pathways and proposed end use.
Useful references include CL:AIRE asbestos-in-soil guidance and SEPA special-waste guidance.
Aberdeen and Aberdeenshire support through ASM's Scotland regional team
ASM supports projects throughout Aberdeen, Aberdeenshire and North East Scotland through its Scotland regional team. UKAS-accredited bulk sample analysis is undertaken at ASM's Sunderland headquarters laboratory within the applicable accredited scope.
ASM Aberdeen & North East Scotland Support
Scottish regional asbestos support for Aberdeen, Aberdeenshire and North East Scotland.
Aberdeen enquiries:
0330 433 9680
Survey:
survey@asbestosSM.co.uk
Monday–Friday
08:00–18:00
Accredited laboratory:
Sunderland HQ
UKAS Accreditation No. 32982
Aberdeen and Aberdeenshire coverage
Aberdeen City Centre, Union Street, Rosemount, West End, Ferryhill, Torry, Footdee, Old Aberdeen, Bridge of Don, Dyce, Bucksburn, Kittybrewster, Woodside, Mastrick, Northfield, Cults, Bieldside, Milltimber, Cove Bay, Altens and Tullos, with wider attendance across Portlethen, Stonehaven, Westhill, Inverurie, Ellon, Peterhead, Fraserburgh and Aberdeenshire.
Attendance is subject to project requirements, scope, access and availability.
Soil remediation, watching briefs and capping are not described as UKAS-accredited activities. ASM holds UKAS 32982 for defined inspection and testing activities that may support a soils project where applicable.
Aberdeen services connected to contaminated-land work
Connect the ground strategy to sampling, air monitoring, demolition, removal and wider redevelopment decisions.
Aberdeen & Aberdeenshire FAQs
What should we do if suspect asbestos is found during groundworks?
Stop disturbing the affected area, prevent unnecessary trafficking and spread, control access and arrange competent assessment before the affected excavation continues.
What is an asbestos watching brief?
It is competent support during relevant excavation and soil movement, including observation, unexpected-find control, sampling coordination, monitoring where appropriate and records of discoveries and actions.
Can asbestos cement fragments simply be picked out?
Sometimes controlled picking can form part of a remediation strategy where contamination is visible and suitably robust. It is not automatically suitable for dispersed or friable contamination.
Does one negative sample prove the site is clear?
No. Made ground can be heterogeneous, so interpretation needs to consider site history, sampling coverage, distribution, depth and proposed earthworks.
Is air monitoring required on every contaminated-ground project?
No. The need and monitoring type should be based on the risk assessment and actual activity.
Is asbestos-in-soils remediation UKAS accredited?
No. Soil remediation itself is not described as UKAS accredited. ASM holds UKAS 32982 for defined inspection and testing activities that may support a project.
Send the site information before more affected ground is moved
Provide the site address, investigation data, asbestos results, remediation strategy, discovery locations, earthworks plan, photographs and programme. ASM can define an appropriate watching-brief, analytical or remediation-support scope.