- Dr James Taylor – ALS Environmental – OnSite analysis using XRF with instantaneous reference to C4SLs and S4ULs
- Mike Quint – C4SL Project Team – Human toxicology and the work of the C4SL project team
- Caroline MacCaffrey – LQM – LQM/CIEH S4ULs; Their derivation and how they relate to C4SLs and SGVs
- Chris Taylor – London Borough of Brent – A Local Authority perspective on screening values in Part 2A and planning
- Gavin Alsopp – NHBC – NHBC update and policy for use of C4SLs and S4SLs
Peterborough, 17 March 2015