35-250 PERFORMANCE STANDARDS.
   A.   Compliance. The performance standards enumerated below are designated to limit, restrict and prohibit the effects of uses permitted by this Chapter outside their premises. The use of all structures, lands, air and water shall hereafter, in addition to complying with the use, site and sanitary regulations contained in this Chapter, shall comply with the performance standards in this Section.
   B.   Air Pollution. No activity shall be permitted which emits air pollutants in excess of the standards permitted by all applicable laws, regulations and ordinances.
   C.   Fire and Explosive Hazards. All activities involving the manufacturing, utilization, processing or storage of inflammable and explosive materials shall be provided with adequate safety devices against the hazard of fire and explosion and with fire-fighting and fire-suppression equipment and devices that are required by law and standard in the industry. All materials that range from active to intense burning shall be manufactured, utilized, processed, and stored only in compliance with state and federal law.
   D.   Glare and Heat. No activity shall emit glare or heat that is visible or measurable outside the premises, except activities in the industrial district which may emit sky reflected glare which shall not be visible at ground level outside the premises.
   E.    Water Quality Protection. No activity shall locate, store, discharge or permit the discharge of any treated, untreated or inadequately treated liquid, gaseous or solid materials of such nature, quantity, obnoxiousness, toxicity or temperature that might run off, seep, percolate or wash into surface or subsurface waters so as to contaminate, pollute or harm such waters or cause nuisances such as objectionable shore deposits, floating or submerged debris, oil or scum, color, odor, taste or unsightliness or be harmful to human, animal, plant or aquatic life. In addition, no activity shall withdraw water or discharge any liquid, gaseous, or solid materials so as to exceed or contribute toward the exceeding of the standards set by state and federal law.
   F.   Noise.
      1.   No activity in an M-1 Industrial District shall produce a sound level outside the property boundary that exceeds the following sound level measured by a sound level meter and associated octave band filter:
Octave Band Frequency (Cycles per second)
Sound Level Decibels
Octave Band Frequency (Cycles per second)
Sound Level Decibels
0 to <75
79
75 to <150
74
150 to <300
66
300 to <600
59
600 to <1200
53
1200 to <2400
47
2400 to <4800
41
4800 and above
39
 
      2.   No other activity in any other district shall produce a sound level outside its premises that exceeds the following:
Octave Band Frequency (Cycles per second)
Sound Level Decibels
Octave Band Frequency (Cycles per second)
Sound Level Decibels
0 to <75
72
75 to <150
67
150 to <300
59
300 to <600
52
600 to <1200
46
1200 to <2400
40
2400 to <4800
34
4800 and above
32
 
      3.   All noise shall be so muffled or otherwise controlled as not to become objectionable due to intermittence, duration, beat frequency, impulse character, periodic character or shrillness.
   G.   Odors. No activity shall emit any odorous matter of such nature or quantity as to be offensive, obnoxious or unhealthful outside their premises.
   H.   Radioactivity and Electrical Disturbances. No activity shall emit radioactivity or electrical disturbances outside its premises that are dangerous or adversely affect the use of neighboring premises including radio and television receiver operation, except as set forth in this Chapter.
   I.   Vibration. No activity in any district shall emit vibrations which are discernible without instruments outside its premises. No activity in any district shall emit vibrations which exceed the following displacement measured with a three-component measuring system:
 
Frequency
(Cycles per second)
Outside the Premises
0 to <10
.0020
10 to <20
.0010
20 to <30
.0006
30 to <40
.0004
40 to <50
.0003
50 & over
.0002