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.