GAO-10-748SP: Aviation and the Environment: Survey of Airport Officials on Airport Environmental Issues, an E-supplement to GAO-10-50
U.S. Government Accountability Office
Q4. During the last 3 years, did your airport monitor noise levels in areas surrounding the airport?
(Total Population)
Yes
(percent)
No
(percent)
No answer
(percent)
Number
of respondents
58.9
36.2
5.0
141
Q4. During the last 3 years, did your airport monitor noise levels in areas surrounding the airport?
(Large and Medium Hubs)
Yes
(percent)
No
(percent)
No answer
(percent)
Number
of respondents
79.4
15.9
4.8
63