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aFigures in parentheses are distance to listener.

bDual weightings indicate that the character of the noise does not conform to usual annoyance criteria.

aFigures in parentheses are distance to listener.

bDual weightings indicate that the character of the noise does not conform to usual annoyance criteria.

40 50 60 70 80 90 100 110 120

Maximum A-weighted sound level, dB

FIG. 6.2.3 Range of community noise levels. (Reprinted from U.S. Environmental Protection Agency, 1978, Protective noise levels, EPA 550/9-79/100 [Washington, D.C.])

Diesel locomotive at 50 ft

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