This product bulletin addresses air pollution control in educational facilities to enhance educational performance, provides air quality recommendations for schools, and examines the filtration needs of various school areas. The types of air particles typically present are highlighted, and the use of proper filtration to control gases and vapors is discussed. Air filtration requirements and standards are examined for classrooms, corridors, auditoriums, libraries, gymnasiums, pool areas, industrial technology (shops), and laboratories and darkrooms are examined. Several filtering systems that are applicable to educational facilities are presented. (Contains 20 references.) (GR)