(A) At no point on the boundary of a residential district or commercial district shall the sound level of individual operation, plant, firm or corporation exceed the decibel levels in the designated octave bands shown in the table in this division for the zoning districts indicated, as measured by a sound level meter and associated octave band filter, manufactured according to standards prescribed by the American Standards Association (ASA). Impulsive-type noises shall be subject to the performance standards prescribed in this section, provided that such noises are capable of being accurately measured with this equipment.
Octave Band Frequency in Cycles Per Second | Maximum Permitted Sound Level (decibels) | |
Along Residential District Boundaries | Along Business District Boundaries | |
0 to 75 | 72 | 75 |
76 to 150 | 67 | 70 |
151 to 300 | 59 | 63 |
301 to 600 | 52 | 57 |
601 to 1,200 | 46 | 52 |
1,201 to 2,400 | 40 | 45 |
2,401 to 4,800 | 34 | 40 |
Over 4,800 | 32 | 38 |
(B) No person shall operate a motor-driven vehicle of a type not subject to registration for road use, at any time or under a condition of load, acceleration, or deceleration, in such a manner as to exceed an 82-decibel noise limit of any type on property zoned for business or residential use at a distance of not less than 50 feet from the path of travel.