Introduction; M. Dando, et al. The Prohibition of Chemical and Biological Weapons; G. Pearson. Biological Weapons Proliferation Concerns; J. Tucker. The Biotechnology The Science and Applications; K. Nixdorff, et al. The Relevance of Advances in Biotechnology to the Task of Strengthening the BTWC; M. Dando. Technological Aspects of Declarations, Managed Access and Confidential Proprietary Information; R. Guthrie. Technological Aspects of Investigation of Alleged Use of Biological Weapons; R. Guthrie. Verification Sampling and Identification; C. Eon, H. Garrigue. Biological Agent Detection Technology; J. Valdes. Towards a Verification Protocol; M. Chevrier. Prospects for the Ad Hoc Group; T. Toth. New Scientific and Technological Aspects of Verification of the Biological and Toxin Weapons Convention (BTWC): An Overview of the ASI and a 1999 Postscript; G. Pearson.