§ 118-1339. Noise.

(a)

Method of measurement. For the purpose of this chapter, sound levels shall be measured with a sound level meter and associated octave band filter manufactured according to standards prescribed by the American Standards Association (American Standard Sound Level Meters for Measurement of Noise and Other Sounds, Z24.3-1944, American Standards Association, Inc., New York, and American Standard Specification for an Octave-Band Filter Set for the Analysis of Noise and Other Sounds, Z24.10-1953, American Standards Association, Inc., New York, New York).

(b)

Locational requirement for measurement. Sound levels shall be measured along the boundaries of the site.

(c)

Permitted sound levels. Permitted sound levels shall be as follows:

MAXIMUM SOUND PRESSURE LEVEL
(in decibels 0.0002 dyne per square centimeter)

Octave Band (cycles per   second)	Along Residential District Boundaries	Along Commercial and Industrial District Boundaries
0—75	69	79
75—150	54	74
150—300	47	66
300—600	41	59
600—1,200	37	53
1,200—2,400	34	47
2,400—4,800	31	41
Above 4,800	28	39

 

(d)

Applicability of standards. These standards shall apply to all noises, due to intermittence, beat frequency or shrillness.

(Code 1988, § 24-128(1))

Cross reference

Noise generally, § 38-151 et seq.