CL:AIRE is a UK charity committed to providing a valuable service for all those involved in sustainable land reuse.
We develop training resources, disseminate information and act as a credible resource for all stakeholders, ensuring we remain at the cutting-edge of best practice and innovation.

 

Improving efficiency & raising standards
Improving efficiency & raising standards
Definition of Waste Code of Practice (DoWCoP), National Quality Mark Scheme for Land Affected by Contamination (NQMS), Asbestos in Soil, SuRF...
Supporting our Members
Supporting our Members
Find out about the benefits of becoming a CL:AIRE Principal or Supporter Member:- Member discounts, Networking, Working Groups, ...
Sharing Knowledge & Developing People
Sharing Knowledge & Developing People
Water and Land Library ( WALL), Continuing Professional development through Training and workshops...
CL:AIRE Membership
CL:AIRE works with its Members to raise awareness and pursue shared objectives in land, water and environmental management by collecting strategic industry information and developing industry initiatives that improve efficiency and save money.
Gas Protection Verification Scheme (GPVS)
The GPVS seeks to raise standards in membrane inspection, verification and reporting and provide confidence that risks associated with ground gases have been adequately managed.
Definition of Waste Code of Practice
The Definition of Waste Code of Practice (DoWCoP) provides a clear, consistent and efficient process which enables the reuse of excavated materials on-site or their movement between sites.

Find out more...Register of materials...
Make a declaration...
NQMS for Land Contamination Management
The National Quality Mark Scheme for Land Contamination Management (NQMS) is developed by the National Brownfield Forum to provide visible identification of documents that have been checked for quality.

 

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Ref # Date of Submission Location Quantity Availability From - To Material Type Chemical Analysis Available?
D051 Sept 2014 Oxford >100,000m3 From January 2015 to December 2015 Oxford clay Available on request
D050 July 2014 Mill Hill, North London 25,000m3 Immediately Reworked London Clay Available on request
D049 June 2014 South Coventry 300,000m3 January 2015 Clay and Mercia Mudstone Available on request
D048 May 2014 Harlow 200m3 Immediate Sub Soil and Rocks Available on request
D047 April 2014 Bridgend 10,000m3 Immediate Silty/Sandy Dredged Material Available on request
D046 April 2014 Swansea 2,000m3 April 2014 Clean/inert Glacial Till Soils Available on request
D045 April 2014 Swansea 10,000m3 April 2014 Clean General and Engineering Fill Available on request
D044 March 2014 Sandwell, West Midlands 830m3 Late April 2014 Gravelly sand (slightly silty) Available on request
D043 Feb 2014 Sheffield 20,000m3 Immediate Clayey soils - greenfield site Available on request
D042 Dec 2013 Wandsworth 8,000m3 April/May 2014 Alluvium and River Terrace Gravels Available on request
D041 Nov 2013 Cambridge 400m3 March April 2014 Virgin topsoil, slightly silty clay characteristics Available on request
D040 Sept 2013 Lambeth 2,000m3 Oct 2013 Soils & stones Available on request
D039 June 2013 Rochdale 8,000m3 July 2013 Clayey made ground Available on request
D038 04/06/2011 High Wycombe Between 1,000 & 250,000m3 April 2011 onwards Clean chalk fill Full chemical and geotechnical analysis can be made available on request
D037 05/03/2011 Fulham 90,000 m3 2013-2021. Approximately 10,000 m3 per year 50-75% material is granular made ground, 25-50% are gravels Majority is non-hazardous although does have some coal tars. Full analysis on request
D034 07/11/2011 Holmer, Hereford 8,000 m3 Immediate - July 2013 As dug topsoil Available on request
D029 15/03/2012 Northamptonshire 175,000 m3 July 2013 onwards High-quality, cohesive virgin clay Permeability testing and full analysis on request
D028 19/03/2012 Chatham 20,000t Immediate Inert soils processed into aggregates including hydraulically bound materials -
D027 19/03/2012 Woolwich, South London 100,000 t Apr-12 Sand -
D026 22/03/2012 North Nottinghamshire >50,000 m3 Oct-12 Greenfield Topsoil Available on request
D021 24/07/2012 Canalside in England 35,000 t Yearly Wet sediment dredgings -
D024 27/07/2012 Tankersley 1480 m3 Sept-12 Topsoil/organic material Available on request
D023 27/07/2012 Tankersley 2000 m3 Sept-12 Brown slightly gravely silty clay. Firm to very stiff orange/brown/grey clay Available on request
D020 01/08/2012 Bridgend 8000 m3 Immediately Clean tested subsoil -
D019 24/08/2012 West/Central London 40,000 m3 Now, for 1 year London Clay (Brown and Blue) Available on request
D017 16/10/2012 South Cambridge 10,000 m3 Immediate Naturally occurring topsoil -
D011 29/10/2012 Colchester 100,000 m3 Immediate London Blue clay -
D010 12/01/2013 South West London 100,000 m3 January 2014 - May 2014 Mostly Made Ground, some River Terrace Gravel Available on request
D009 18/01/2013 Wilmslow 1,000 m3 Immediately Clean sandy clay Available on request
D008 01/03/2013 West Hendon 15,000 m3 January to December 2013 Subsoil class 2C Available on request
D007 18/03/2013 Manchester 150,000 m3 Late 2013 Granular subsoil and made ground Available on request
D006 03/04/2013 Ashford 55,000 m3 Oct-13 Non-haz soils Available on request
D005 10/05/2013 Saffron Waldon 4,000 m3 Immediate Gravelly clay Available on request
D004 30/05/2013 Canning Town 12,000 t Immediate Inert Available on request
D003 31/05/2013 Solihull 1,000 m3 Immediate Excated fill Remediated - analysis
D001 11/06/2013 Mill Hill 35,000 m3 Jul-13 Clean London clay Available on request

 

  1. Land Remediation Pathfinder Scheme - expressions of interest closing soon

    Land Remediation Pathfinder Scheme - expressions of interest closing soon

     April 2026
    Department for Environment, Food & Rural Affairs (Defra) has announced an Expression of Interest opportunity for the Land Remediation Pathfinder Scheme (LRPS). LRPS is a £80 million pilot scheme funded by Defra...
  2. Publication of MCERTS performance standard for rapid measurement techniques for the chemical testing of soil

    Publication of MCERTS performance standard for rapid measurement techniques for the chemical testing of soil

     April 2026
    On 27 April, the Environment Agency published new guidance called MCERTS: performance standard for rapid measurement techniques for the chemical testing of soil. The guidance describes the certification process for rapid...
  3. The Environmental Monitoring & Measurement Achievement Awards (the EMMAs) - call for nominations from land remediation industry

    The Environmental Monitoring & Measurement Achievement Awards (the EMMAs) - call for nominations from land remediation industry

     April 2026
    The Environmental Monitoring & Measurement Achievement Awards (the EMMAs) will return to Birmingham this year with an expanded scope, recognising excellence within the geoenvironmental and land remediation sector for the...
  4. New CL:AIRE Research Bulletin (RB22) published on legacy wastes in the coastal zone

    New CL:AIRE Research Bulletin (RB22) published on legacy wastes in the coastal zone

     April 2026
    CL:AIRE is pleased to publish a new research bulletin RB22: Legacy Wastes in the Coastal Zone which is available to download here. Legacy Wastes in the Coastal Zone: Environmental Risks and Management...
  5. EPA Ireland consults on developing national guidance for brownfield soil and stone by-product material

     April 2026
    The Environmental Protection Agency (EPA) Ireland has published a position paper for consultation as part of the development of national guidance for brownfield soil and stone by-product material. The guidance...
  6. UK Parliament's Environmental Audit Committee publishes its PFAS report

    UK Parliament's Environmental Audit Committee publishes its PFAS report

     April 2026
    The UK Parliament Environmental Audit Committee has now published its report Addressing the risks from Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) following its inquiry and call for evidence in April 2025.
  7. National Brownfield Forum March 2026 meeting notes now published

    National Brownfield Forum March 2026 meeting notes now published

     April 2026
    The National Brownfield Forum March 2026 meeting notes have now been published and are available to download here.
  8. Defra consults on BNG and targeted exemptions for brownfield residential developments

    Defra consults on BNG and targeted exemptions for brownfield residential developments

     April 2026
    Department for Environment, Food & Rural Affairs (Defra) is consulting on a possible exemption from biodiversity net gain (BNG) for certain residential developments on brownfield land. Further information is available here.
  9. HSE launches consultation on Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR)

    HSE launches consultation on Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR)

     April 2026
    The Health and Safety Executive (HSE) has launched a consultation on the Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013 (RIDDOR) and it is now open for comments. The consultation seeks...
  10. Phase 2 of DoE Industry Profiles project is now complete

    Phase 2 of DoE Industry Profiles project is now complete

     March 2026
    A project to update 15 of the Department of Environment (DoE) series of 47 industry profiles has now finished with funding from the Environment Agency, Association of Geotechnical & Geoenvironmental...
  11. Defra publishes Land Use Framework for England

    Defra publishes Land Use Framework for England

     March 2026
    Department for Environment, Food & Rural Affairs (Defra) has published the Land Use Framework for England. It sets out how England can use its land more effectively. The Framework has...
  12. CL:AIRE connects the industry: Bristol networking evening sets the scene for summer event

     March 2026
    CL:AIRE hosted another successful members' networking event, this time in Bristol at Racks Bar and Kitchen. The evening brought together professionals from across the sector for relaxed, informal conversation. CL:AIRE Members...
  13. Environment Agency publishes national groundwater nitrogen inventory for England

    Environment Agency publishes national groundwater nitrogen inventory for England

     March 2026
    The Environment Agency Chief Scientist's Group has published outputs from a research project: National groundwater nitrogen inventory for England (SC210008). The project developed and tested new approaches to assess national-scale...
  14. Defra consults on amendments to the POPs regulation 2026

    Defra consults on amendments to the POPs regulation 2026

     March 2026
    Department for Environment, Food & Rural Affairs (Defra) is seeking views on proposed changes to the Persistent Organic Pollutants (POPs) Regulation, including drafted legislation to prohibit five new POPs to...
  15. RBKC Lead Modelling Tool published on WALL

    RBKC Lead Modelling Tool published on WALL

     March 2026
    The Royal Borough of Kensington and Chelsea (RBKC) Lead (Pb) values and modelling tool has been made available for all to use on the CL:AIRE Water and Land Library (WALL).
  16. BSI publishes document on ecological soil functions

    BSI publishes document on ecological soil functions

     March 2026
    British Standards Institution (BSI) has recently published PD ISO/TS 18721:2026 Ecological soil functions - Characteristics, indicators and methods. Further information and purchase options available here.
  17. SoBRA publishes two new NAPL guidance documents

    SoBRA publishes two new NAPL guidance documents

     March 2026
    The Society of Brownfield Risk Assessment (SoBRA) has published two new documents from the Non Aqueous Phase Liquid (NAPL) Subgroup. NAPL Document 6 - Advice Towards Understanding the Potential for LNAPL...
  18. Assessing risks to controlled waters in relation to climate change: SoBRA publishes updated guidance

    Assessing risks to controlled waters in relation to climate change: SoBRA publishes updated guidance

     March 2026
    The Society of Brownfield Risk Assessment (SoBRA) has updated its 2022 document, Guidance on assessing risk to controlled waters from land contamination under conditions of future climate change, to align...
  19. GWSDAT v.3.3 released

    GWSDAT v.3.3 released

     March 2026
    The GroundWater Spatiotemporal Data Analysis Tool (GWSDAT) has been updated and v3.3 has been released. GWSDAT is an open source, user friendly software application for the visualisation and interpretation of...
  20. JRC supports recently published European soil monitoring law

    JRC supports recently published European soil monitoring law

     March 2026
    The Joint Research Centre (JRC) is the science and knowledge service of the European Commission. The JRC has recently published a report on existing international and European standards relating...
  21. BSI publishes draft standard on ecological risk assessment of soil contamination (TRIAD approach) for comment

    BSI publishes draft standard on ecological risk assessment of soil contamination (TRIAD approach) for comment

     February 2026
    British Standards Institution (BSI) has published the draft International Standard Procedure for site-specific ecological risk assessment of soil contamination (soil quality TRIAD approach). Comments on the draft should be submitted...