Ultraviolet Germicidal Irradiation (UVGI) Systems
By Dr. William Bahnfleth, FASHRAE, Professor, Penn State,

HEPA / ULPA Filters - Media, Testing and Applications
By Shawn Windley, Flanders Filters, Inc.,

Another Look at IAQ
By Glenn Morrison, Associate Professor, Missouri University of Science & Technology, 221 Butler-Carlton Hall, Rolla, MO 65409, 573.341.7192,

History of HEPA - Update to Today
By Per Lindblom, Hollingsworth & Vose,,

Developments in PCO
By Dan Briggs, Genesis Air, 806.786.9115,, Friday, April 23, 2010

What does your filter say about the air you breathe?
By Federico Noris, Environmental Engineering Program, University of Texas at Austin

Global Industrial Filtration Standards; Comparison to 52.2
By Dan Woodman, Director of Engineering, Freudenberg Filtration Technologies, LP, 2975 Pembroke Road, Hopkinsville, KY 42240, 270.887.5154,

What's New at Underwriter's Laboratory (UL)
By Shelby Calvert, CAFS, Filtration Group, Inc., 912 E. Washington Street, Joliet, IL 60433,

International Standardization Activity
By Paolo Tronville, Politecnico di Torino - Dipartimento di Energetica, Corso Duca degli Abruzzi, 24, 10129 Torino - ITALY, Tel: +39 0115644477 (direct), Telefax: +39 0115644499

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