Guidance to reduce the threat of terrorism in buildings will be presented as a public service by ASHRAE during an upcoming satellite broadcast on homeland security issues. The society has been awarded a grant from the Alfred P. Sloan Foundation in New York to host the broadcast. Topics will include risk assessment, chemical, biological and radiological (CBR) protection such as envelope tightness, ventilation systems, particle filtration and gas absorption, pressure relationships and building interior partitioning, and an update on building codes and standards as they relate to CBR. "By using a satellite broadcast to reach our 162 chapters, other associations and industry representatives, ASHRAE can bring vital information to thousands of design engineers, architects, builders, building owners and operators, code officials, medical personnel, first responders and others to educate and inform them on protection of buildings," Ron Vallort, P.E., who will chair the broadcast, said. Details regarding the date and time of the broadcast, tentatively scheduled for spring 2004, will be announced soon. The program will feature a computer uplink where participants can e-mail questions and comments during the live question and answer session.