preamble, stating that the use of biological weapons would be "repugnant to the conscience of mankind". However, the BWC's effectiveness has been limited due to insufficient institutional support and the absence of any formal verification regime to monitor compliance. In 1985, the Australia Group was established, a multilateral export control regime of 43 countries aiming to prevent the proliferation of chemical and biological weapons. In 2004, the United Nations Security Council passed Resolution 1540, which obligates all UN Member States to develop and enforce appropriate legal and regulatory measures against the proliferation of chemical, biological, radiological, and nuclear weapons and their means of delivery, in particular, to prevent the spread of weapons of mass destruction to non-state actors. In popular culture See also Biological hazard Biological contamination Laboratory Response Network Pulsed ultraviolet light References External links Rafał L. Górny, Biological agents, OSHwiki Biological Agents, OSHA Select Agents and Toxins, Centers for Disease Control and Prevention Biological weapons e-learning module in the EU's non-proliferation and disarmament course (taught by Filippa Lentzos) Biological contamination