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.

 

Conference Videos and Special Publication

Conference Videos

  • Videos of the presentations from the 20th Anniversary Conference are now available to view by delegates and CL:AIRE members. 21 presentations were recorded, 18 from the two parallel sessions plus the 2 keynote speakers and the Chairman's welcome.
  • Please note that in order to watch the videos you will need to login to your account on the CL:AIRE website and your account should be created using your member organisation email address. If you think your account does not have the correct permissions to view the videos, please contact us via the Help Desk.
  • Once logged in, go to Knowledge Centre > Videos & Podcasts > Innovation, Efficiency & Standards - CL:AIRE 20th Anniversary Conference to view all the videos.
  • Three presentations without video have their slides available to download, also for delegates and CL:AIRE Members only (once logged in).

 Special Publication

  • A Special Publication from the 20th Anniversary Conference has been compiled and is now available to download by delegates and employees of Principal and Supporter Member organisations. 20 papers are included, 18 from the two parallel sessions (1 - sustainable soil reuse and the Definition of Waste Code of Practice & 2 - technology and innovation in site investigation and remediation) plus the 2 keynote speakers.
  • You will need to login to your account on the CL:AIRE website to download the publication (your account should be created using your member organisation email address). If you think your account does not have the correct permissions, please contact us via the Help Desk.

 

Presentation List Video Available Paper in Special Publication
Keynote: CL:AIRE - The 20 Year Story - Steve Edgar, VertaseFLI Y Y
Keynote: Communicating Geoscience - Professor Paul Nathanail, LQM Y Y
SUSTAINABLE SOILS & DOWCOP SESSION    
The use of intelligent plant to plan and control complex materials management on construction sites - James Cartwright, GeoStream UK Y Y
The Avenue Former Coking Works Remediation and Regeneration Project (1999-2018) / Verification and DoWCoP - Martin Westwood, Jacobs N, but slides are available here Y
Maximising the Sustainable Re-use of Landfill Materials on Brownfield Sites using DoWCoP - George Evans, Soilfix Y Y
Creating a circular economy and future urban mining in Belgium - Marc  Dillen, Grondbank & Tracimat Y Y
Soils Manufacture - FAB Soil - Mark Fitzsimons & Kate Schofield, University of Plymouth Y Y
A QP’s perspective on DoWCoP: the good, the bad and the ugly - Liz Gray, Atkins Y Y
Sustainability benefits and the value added of recycling excavated site materials - Paul Bardos, r3 Environmental Technology Ltd Y Y
INNOVATION SESSION    
Debunking myths about sustainable remediation - Jonathan Smith, Shell Global Solutions (UK) Y Y
Lessons learned from biodiversity net gain and opportunities for managing complex legacy sites - Tom Butterworth, WSP Y N
The Conceptual Site Model – the building block of sustainable remediation - Alan Thomas & Kevin Leahy, ERM Y Y
New physics for mapping old problems – Tim Grossey, RSK Y N
Innovative LNAPL monitoring and modelling to aid design and delivery of remediation at an operational manufacturing site in the Midlands - David Holmes & Giacomo Maini, Ecologia Y Y
Restoration of chlorinated solvent contaminated groundwater sites: The Value of Information Challenge - Gary Wealthall, Geosyntec N, but slides are available here Y
Recent advances in Subgrade Biogeochemical Reactor technology - Jeff Gamlin and Claudio Albano, Jacobs Y Y
Remediation of aquitards - Jim Wragg, Geosyntec N, but slides are available  here Y
Looking forward for ground gas risk assessment - a new screening approach - Steve Wilson, EPG Y Y
Characterisation and risk management of PFAS in UK context - Ian Ross, Arcadis Y Y
Use of colloidal activated carbon for the treatment of PFAS contamination - Gareth Leonard, Regenesis Y Y
Low temperature thermal desorption of PFAS - Jeff Gamlin, Jacobs Y Y
Developing a new treatment technology for destroying PFAS (DE-FLUOROTM) - Rick Parkman, AECOM Y Y

 

  1. Three weeks to go until Contamination & Land Remediation Expo!

     August 2026
    We’re excited to be at Contamination & Land Remediation (CLR) Expo in just three weeks, returning to the NEC Birmingham on 16–17 September. Join us for two high-impact days of knowledge...
  2. RemTech Europe and Sustainathon programmes now live

    RemTech Europe and Sustainathon programmes now live

     August 2026
    RemTech Europe, International Conference and Exhibition on land and water remediation markets and technologies is taking place between 14-18 September 2026 and has now published its programme. The first two...
  3. MHCLG publishes new NPPF following consultation

    MHCLG publishes new NPPF following consultation

     August 2026
    The Ministry of Housing, Communities and Local Government (MHCLG) has published its new National Planning Policy Framework (NPPF). It sets out the government's policies for plan-making and for making decisions...
  4. National Brownfield Forum July 2026 meeting notes published

    National Brownfield Forum July 2026 meeting notes published

     August 2026
    The National Brownfield Forum July 2026 meeting notes have now been published and are on the dedicated web page National Brownfield Forum. The notes can be downloaded directly here. 
  5. MHCLG updates Planning Practice Guidance for new Defra Biodiversity Net Gain exemptions

    MHCLG updates Planning Practice Guidance for new Defra Biodiversity Net Gain exemptions

     August 2026
    The Ministry of Housing, Communities and Local Government (MHCLG) has updated its Planning Practice Guidance (PPG) on Biodiversity Net Gain (BNG) exemptions which came into force for planning applications made...
  6. CL:AIRE publishes new training brochure

    CL:AIRE publishes new training brochure

     August 2026
    CL:AIRE is delighted to publish its new training brochure featuring all its courses that it delivers through the year. It is available to download or print here. If there are any...
  7. SuRF International June  2026 meeting notes published

    SuRF International June 2026 meeting notes published

     August 2026
    SuRF International/International Sustainable Remediation Alliance met in June 2026. The meeting notes have now been published and are available to download here.
  8. European Food Safety Authority reduces the safe level of trifluoroacetic acid in the diet

    European Food Safety Authority reduces the safe level of trifluoroacetic acid in the diet

     July 2026
    The European Food Safety Authority (EFSA) has reduced the safe level of trifluoroacetic acid (TFA) in the diet based on new scientific evidence. TFA is a chemical that can form...
  9. CL:AIRE publishes PFAS Site Profiles

    CL:AIRE publishes PFAS Site Profiles

     July 2026
    CL:AIRE is excited to announce the publication of 13 PFAS Site Profiles that were originally developed by Jacobs as part of the Environment Agency PFAS Risk Screening Project. The profiles...
  10. Join us at the UK's leading event for the geoenvironmental sector - CLR Expo

     July 2026
    We're excited to be attending Contamination & Land Remediation (CLR) Expo, returning to the NEC Birmingham on 16-17 September 2026. Join us with a free ticket for two high-impact days...
  11. CL:AIRE publishes new Technical Bulletin TB23 and a PFAS worksheet tool

    CL:AIRE publishes new Technical Bulletin TB23 and a PFAS worksheet tool

     July 2026
    CL:AIRE is pleased to announce the publication of Technical Bulletin TB23: Worksheet tool for new EU Environmental Quality Standard and Groundwater Standards for PFAS (EU Directive 2026/805). TB23 describes a...
  12. HM Treasury consults on reforming Land Remediation Relief

    HM Treasury consults on reforming Land Remediation Relief

     July 2026
    The government is consulting on potential reforms to make Land Remediation Relief more accessible, better targeted, and more closely aligned with the practical realities of brownfield development. Land Remediation Relief is...
  13. ESS Expo 2026 visitor registration opens

     June 2026
    The Environmental Services & Solutions Expo (ESS Expo), the UK’s largest environmental event, has announced that visitor registration is now open for its 2026 edition, taking place 16-17 September at...
  14. GPVS application window open until 30 September 2026

    GPVS application window open until 30 September 2026

     June 2026
    The next Gas Protection Verification Accreditation Scheme (GPVS) application window opened on 1 August and closes 30 September 2026. The application window is open to Technician Grade and Specialist Grade...
  15. Environment Agency publishes voluntary remediation advice service for contaminated land and groundwater

    Environment Agency publishes voluntary remediation advice service for contaminated land and groundwater

     June 2026
    The Environment Agency has produced guidance on its new voluntary remediation advice service for those that wish to receive more detailed site-specific regulatory advice where land contamination has impact on...
  16. NORAC and JIWG publishes an overview of new technical guidance on asbestos air monitoring on brownfield remediation sites

     June 2026
    National Organisation of Asbestos Consultants (NORAC) and Joint Industry Working Group Asbestos in Soil and Construction & Demolition Materials (JIWG) has published a new Technical Guidance Series document providing an...
  17. Contamination & Land Remediation Expo is coming to the NEC Birmingham on 16-17 September

    Contamination & Land Remediation Expo is coming to the NEC Birmingham on 16-17 September

     May 2026
    Part of the Environmental Services & Solutions Expo (ESS Expo), the Contamination & Land Remediation Expo (CLR Expo) will bring together 2,800+ professionals from across the contamination, remediation, and geoenvironmental...
  18. CL:AIRE TRG Annual Report 2025 and new ECP

     May 2026
    CL:AIRE has now published the 2025 Technology and Research Group (TRG) Annual Report and it is available to download. The TRG is also pleased to welcome a new Early Career...
  19. SURRI publishes useful series of podcasts about preparing EU project proposals

    SURRI publishes useful series of podcasts about preparing EU project proposals

     May 2026
    The European Project SURRI (Sustainable Remediation of Radionuclide Impacts on Land and Critical Materials Recovery) has published a series of podcasts to understand more about EU project proposal building. They...
  20. ISO draft international standard on determination of inorganic arsenic species in soils has been published for comment

    ISO draft international standard on determination of inorganic arsenic species in soils has been published for comment

     May 2026
    ISO DIS 25251 Soil Quality - Determination of inorganic arsenic species in soils and soil-like materials has been published for comment. Comments should be submitted to Joanna Macnamara by 10 July 2026.
  21. POST publishes research briefing on Nature-based flood and drought resilience

    POST publishes research briefing on Nature-based flood and drought resilience

     May 2026
    The Parliamentary Office of Science and Technology (POST) has published a research briefing on Nature-based flood and drought resilience. The POSTnote outlines the evidence, challenges and benefits for implementing catchment scale...