RSES will present a seminar titled, "Indoor Air Quality" on August 28, 2004 in Bismarck, ND. Seminar topics to be explored include: HVAC duct systems and IAQ; air cleaning filters; replacement, retrofits of equipment and IAQ; ventilation; homes and IAQ; commercial buildings and IAQ; building pressurization; IAQ terms and the history of IAQ. For more information visit www.rses.org.