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Noise ProtectionEnvironmental Health Systems puts forth an increasing effort in the U.S. to develop ways of controlling noise, particularly in industrial environments due to Federal and State laws, labor union insistence and new findings relative to noise pollution impact on human health. NASA's Apollo guidance control system aided in the development of a noise protection product, SMART. The basis of all SMART products is SMART compound a liquid plastic mixture with exceptional energy/sound absorbing qualities. The basic compound was later refined for noise protection use.
Document ID
20030004791
Acquisition Source
Headquarters
Document Type
Other
Date Acquired
August 21, 2013
Publication Date
January 1, 1980
Publication Information
Publication: Spinoff 1980
Subject Category
Acoustics
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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