The IRUG website was developed with generous support from:

Institute of Museum and Library Services

National Center for Preservation Technology and Training, division of the National Park Service

Samuel H. Kress Foundation

Philadelphia Museum of Art

Institute of Applied Physics "Nello Carrara" - National Research Council

National Gallery of Art, Washington

The Dow Chemical Company (formerly Rohm & Haas Company)

Saint-Gobain Corporation Foundation

IRUG website contents are solely the responsibility of IRUG and do not necessarily represent official positions or policies of these sponsors.