Record Display for the EPA National Library Catalog
RECORD NUMBER: 15 OF 15
|OLS Field Name||OLS Field Data|
|Main Title||The effect of selected cleaning techniques on Berkshire Lee marble : a scientific study at Philadelphia City Hall /|
|CORP Author||Geological Survey (U.S.),|
|Publisher||U.S. Geological Survey,|
|Subjects||Building stones--Cleaning. ; Marble--Cleaning.|
|Collation||1 CD-ROM ; 4 3/4 in.|
Title from disc label. Includes bibliographical references.
A scientific investigation of the effects of eight different cleaning techniques on the Berkshire Lee marble component of the facade of the East Center Pavilion at Philadelphia City Hall. The eight cleaning techniques evaluated were power wash, misting, gommage, combination, Armax, JOS, laser, and dry ice.