ToC
42-213

Maximum permitted decibel levels

In all Manufacturing Districts, the sound pressure level resulting from any activity, whether open or enclosed, shall not exceed, at any point on or beyond any lot line, the maximum permitted decibel levels for the designated octave band as set forth in the following table for the district indicated.

In the enforcement of this regulation, sounds produced by the operation of motor vehicles or other transportation facilities shall not be included in determining the maximum permitted decibel levels.

MAXIMUM PERMITTED SOUND PRESSURE LEVEL
(in decibels)

District

Octave Band

(cycles per second)

M1

M2

M3

20 to 75

79

79

80

75 to 150

74

75

75

150 to 300

66

68

70

300 to 600

59

62

64

600 to 1,200

53

56

58

1,200 to 2,400

47

51

53

2,400 to 4,800

41

47

49

Above 4,800

39

44

46

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