logos - massachusetts port authorityeast boston 22r 22l 27 32 4l 14 9 15l 33r 33l 15r boston...
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EastBoston
22R 22L
27
32
4L914
15L
33R
33L
15R
Boston
Charlestown
Chelsea
Everett
Revere
Nahant
Malden
Spectacle Is.Long Is.
Hull
George's Is.
Thompson Is.
SquantumDorchester
4R
Winthrop
SouthBoston
logos
FIGURE 6-13 60-75 DNL Contours for 2016 OperationsUsing AEDT 2c
Source: HMMH, MassGIS USGS Color Ortho Imagery (2013/2014)
i
2016 Environmental Data Report
Noise Abatement 6-31
0 3500 70001750 Feet
75 dB70 dB 65 dB
60 dB
2016 DNL Contour (AEDT 2c)60 dB
65 dB
70 dB
75 dB
Sound Insulation Areas
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