AN UPDATED SURVEY OF COMMERCIAL PRODUCTS USED TO PROTECT MATERIALS AGAINST BIODETERIORATION

By means 01 a questionnaire, manufacturers were asked for details of biocldes used in the preservation of materials. Over 30 manutacturers provided details of approximately 250 products. The in!ormation " tabulated in several ways ior the convenience of the user. Il is hoped thal future updating in some torm will be possible.