The Beijing workshop reflected the continuing engagement by national academies international scientific organizations, and individual scientists and engineers in considering the biosecurity implications of developments in the life sciences and assessing trends in science and technology (S&T) relevant to nonproliferation. The workshop provided an opportunity for the scientific community to discuss the implications of relevant developments in S&T for multiple aspects of the BWC. follows the structure of the plenary sessions at the workshop. It begins with introductory material about the BWC and current examples of the types and modes of science advice available to the BWC and other international nonproliferation and disarmament agreements, in particular the Chemical Weapons Convention (CWC). This report includes only a very brief description of the some of the post-presentation discussions held during the plenary sessions - and does not include an account of the small breakout groups - since these were intended to inform the committee's finding and conclusions and will be reflected in the final report.