International cooperative program on effects on materials, including historic and cultural monuments. Environmental data report September 1991 to August 1992

摘要

The International Co-operative Programme on Effects on Materials, including Historic and Cultural Monuments has an extensive program on material exposure in well defined environments. This report includes the environmental data from the fifth exposure year of temperature, relative humidity, time of wetness, sunshine hours, concentrations of SO(sub 2), NO(sub 2), O(sub 3), and precipitation amount and quality. The yearly results from the previous years are also reported and the quality of data has been evaluated. 4 refs., 5 figs., 2 tabs.