This monograph is the Proceedings of the 2004 International Symposium on Safety Science and Technology (2004 ISSST). Collected in this volume are 549 papers from 16 countries and regions. These papers cover the following aspects: Theories and Methods Numerical Simulation; Prevention of Fire, Explosion, Dust and Ventilation; Safety Management, Education and Training; and Miscellaneous. Many novel research results on safety science and technology achieved during the last few years are mentioned in the proceedings.