RSESwill present an educational session titled "Oil-Free Centrifugal Chiller Technology" at its annual conference. The educational session is tentatively scheduled for Saturday, October 2, 2004 at the Westin Calgary in Calgary, AB, Canada in conjunction with the RSES Annual Conference. The conference will be held September 30 to October 2, 2004. For additional information visitwww.rses.org.