Papers are included as follows: Introduction (Sharp, DH). (A) Opening Address (Kenny, AW). (B) Identification of Problems: Standards for the Redevelopment of Contaminated Land (Smith, MA); Site Investigation and Material Problems (Kelly, RT); Historical Investigation of Site Use (Dumbleton, MJ); The Sampling and Analysis of Polluted Sites (Waterhouse, PS); Some Experience of Testing Soils and Materials from Contaminated Sites (Figg, JW, Souch, KW and Tublin, AP); Reclamation of a Disused Sewage Farm (Heeps, KD and Pike, ER); GLC Development at Thamesmead, Investigation and Reclamation of Contaminated Land (Lowe, GW); Reclamation of a Refuse Tip for Open Space and Housing Development (McCarthy, MJ); New Industrial Site from Steelworks Tipland (Gilchrist, AR); Trammel Filter Techniques for the Control of Leachates (Taylor, TA). (C) Problems of Metal Contamination (papers, mainly on (D) Hazards: Hazards to Immediate Workers on Site (Smith, LC); Fire and Explosion Hazards with Contaminated Land (Palmer, KN); Gas Generation and the Problems It Creates in Land Reclamation (Bromley, J); Contaminated Land--Effects on Water Resources (Young, CP and Barber, C); Mine and Quarry Waste--A Stability Problem (Searle, WJ); Structures and Standards for Waters for Amenity Purposes (Quiver, K). (E) Physical Properties: Geotechnical Problems of Building on Deep Fill (Charles, JA); Sewerage: with Particular Reference to the Beckton Development in East London (Longlands, HG and Townsend, GH); Piling in Contaminated Reclaimed Land (West, AS); (continued on TRIS 345856). (TRRL)