https://drive.google.com/open?id=1xYRsQUVPDtZxb4pu6hLFZ4ygzUTJSYEU

Comment; This paper demonstrates the synergistic effect of using UV/Titanium Dioxide photocatalytic air purification systems with HEPA filtration to remove harmful bacteria, fungi, viruses and molecules from the air.  These substances are what cause the harm to people in water damaged buildings.

 

Dr. Raymond Oenbrink