§ 152.245 STANDARDS IN THE I-2 HEAVY INDUSTRIAL DISTRICT.
   (A)   In the I-2 General Industrial District, at no point on or beyond the boundary of the zoning district shall the sound pressure level resulting from any use, operation, or activity exceed the maximum permitted sound levels as set forth in Tables ID and IID:
TABLE ID: PREFERRED FREQUENCIES
Center Frequency, Cycles Per Second
Maximum Permitted Sound Pressure Level, Decibels
TABLE ID: PREFERRED FREQUENCIES
Center Frequency, Cycles Per Second
Maximum Permitted Sound Pressure Level, Decibels
      31.5
90
      63.0
81
      125.0
71
      250.0
66
      500.0
61
      2,000.0
52
      4,000.0
50
      8,000.0
47
TABLE IID: PRE-1960 OCTAVE BANDS
Octave Band, Cycles Per Second
Maximum Permitted Sound Pressure Level, Decibels
TABLE IID: PRE-1960 OCTAVE BANDS
Octave Band, Cycles Per Second
Maximum Permitted Sound Pressure Level, Decibels
      20 -   75
83
      75 -   150
74
      150 -   300
67
      300 -   600
62
      600 -   1200
57
      1200 -   2400
53
      2400 -   4800
51
      4800 -   10 KC
48
 
   (B)   Between the hours of 9:00 p.m. and 7:00 a.m., the sound levels shall not exceed the maximum permitted sound pressure levels prescribed for the I-1 Light Industrial and PD-4 Industrial Planned Development districts in § 152.244.
('80 Code, § 152.245) (Ord. 94-14, passed 7-5-94) Penalty, see § 152.999