supervised the drilling of 50No. cable percussion boreholes and installed 150mm diameter standpipes for radiological monitoring. Phase 2: Determination of the geotechnical parameters of material in Stockpile 1 and Area 2 and analysis of its radioactivity. The site investigation included the drilling of 5No. deep boreholes in Stockpile 1 and a further 10No. shallow boreholes in Area 2. Continual U100 samples were taken and 150mm diameter wells for monitoring radiation were installed. SPECIAL SAFETY MEASURES Health and Safety issues are always a priority of the Harrison Group. In this instance there were additional hazard issues surrounding potential contamination from radioactive material. Prior to setting up the drilling rig and equipment, the ground was scanned with a Gei

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