NCLOG & LCC Webinar: RBKC Lead Modelling Tool
Free and open to all.
This webinar will present the Royal Borough of Kensington and Chelsea (RBKC)'s lead modelling tool in detail and is hosted by the National Contaminated Land Officers Group (NCLOG) and the Land Condition Community (LCC) at the IES.
The Royal Borough of Kensington and Chelsea (RBKC) has worked together with AECOM and Peak Environmental Solutions to generate normal urban background concentrations and RBKC Category 4 type criteria (with AECOM) and Category 3 type criteria and a bespoke DQRA modelling tool (with Peak Environmental Services) for lead in the borough.
Normal background statistics have been generated for lead in RBKC using the British Geological Society London Earth dataset for Kensington and Chelsea and presented alongside other national and local datasets. To generate Category 4 and Category 3 type criteria, detailed modelling has been undertaken using local data, for example using the results of extensive plant uptake studies and exposure frequencies to better reflect the use that is likely to be made of gardens by the borough’s residents.
The existing Category 4 Screening Levels provided for lead are widely considered conservative (particularly for urban areas) and so generating local criteria is potentially of great benefit for the assessment of lead during developments and for initial decision making under Part 2A. It is hoped that, by providing more reasonable criteria, more proportionate and sustainable borough based decisions will be able to be made and soils will be conserved.
This work is to be presented/released during a short presentation at the 2025 SoBRA winter conference. The IES webinar will provide a more in depth presentation of the background behind the work, the calculation and derivation of normal background statistics and the Category 4 and 3 criteria and an introduction to the development and use of the RBKC Lead (Pb) Model.
Our speakers
Robert Tyler – Senior Contaminated Land Officer, Royal Borough of Kensington and Chelsea
Robert has dealt with contaminated land in local government for 25 years, with over 15 years spent working in London. Apart from the full range of Part 2A and planning work, career highlights have included working on the 2012 Olympics (whilst at LB Hackney), more recently being directly involved in the Grenfell Environmental Checks process (at RB Kensington and Chelsea) and serving the communities he’s worked for. Robert is on the steering group of the West and East London Land Contamination Officers Group (WELLCOG), attends the National Brownfield Forum and has previously served as a committee member on the Geological Society Land Contamination Group and the National Contaminated Land Officer’s Group.
David Dyson – Technical Director, AECOM
David is a Chartered Geologist and Accredited SoBRA Risk Assessor working in AECOM’s Investigation & Remediation Services team. He has worked in the land contamination sector for 22 years and specialises in human health risk assessment and its application to Part 2A of the EPA. David sits on the steering group of the North-east Thames Contaminated Land Forum (CLF:NET), working with Environment Agency and Local Authority regulators to organise conferences aimed at improving the standard of contaminated land assessment and regulation in the region. David also leads SoBRA's vapour intrusion sub-group, which is currently working on guidance documents related to vapour intrusion screening distances, generic assessment criteria, and detailed quantitative risk assessment.
Chris Dainton – Technical Director, Peak Environmental Solutions
Chris has worked in land contamination for over 35 years, in both consultancy and remediation. Chris now specialises in technical land contamination risk assessment work, focusing on human heath, VOC vapours and controlled waters.
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