P Keeton (ESG) WG Chairman
Hazel Davidson (ALcontrol Laboratories)
David Entwistle (British Geological Survey)
C Knighton (Envirolab)
R Brown (Fugro Engineering Services)
J Masters (Geolabs)
T Hardie (Geotechnics)
J Latham (Geotest Laboratories)
M Bumstead (Norfolk Partnerships Laboratories)
J Wilson (Norwest Holst)
A Symis (RSA Geotechnics)
T Greenwood (Southern Testing Laboratories)