Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (SUBJECT=Day night levels)

 
 
 

Select Item Title Year Published
Analysis of the Public Health and Welfare Effects of EPA Proposed Aircraft Noise Regulations. 1976
Calculations of day-night levels (Ldn) resulting from civil aircraft operations 1977
Effective Perceived Noise Level Versus Distance Curves for Civil Aircraft. 1976
Sound Exposure Level versus Distance Curves for Civil Aircraft. 1976

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