[Added by Ord. No. 728-91]
This chapter permits specific uses in specific districts and these performance standards are designed to limit, restrict and prohibit the effects of those uses outside their premises or district. No structure, land or water shall hereafter be used except in compliance with the district regulations and with the following performance standards.
No activity shall emit any fly ash, dust, fumes, vapors, mists or gases in such quantities as to cause soiling or danger to the health of persons, animals, vegetation or property. No activity shall emit any liquid or solid particles in concentrations exceeding 0.3 grain per cubic foot of the conveying gas, nor any color visible smoke equal to or darker than No. 2 on the Ringelmann Chart described in the United States Bureau of Mines Information Circular 7718 in the industrial districts.
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 adequate fire-fighting and fire-suppression equipment and devices that are standard in the industry. All materials that range from active to intense burning shall be manufactured, utilized, processed and stored only in completely enclosed buildings which have incombustible exterior walls and an automatic fire-extinguishing system.
No unsanctioned activity shall emit glare or heat that is visible or measurable outside its premises, except activities in the industrial districts which may emit direct or sky-reflected glare which shall not be visible outside their district. All operations producing intense glare or heat shall be conducted within a completely enclosed building. Exposed sources of light shall be shielded so as not to be visible outside their premises.
No activity shall discharge at any point onto any land or into any water or public sewer any materials of such nature, quantity, noxiousness, toxicity or temperature which can contaminate, pollute or harm the quantity or quality of any water supply; can cause the emission of dangerous or offensive elements; can overload the existing municipal utilities; or can injure or damage persons or property.
There shall be no noise or vibration over 70 decibels emanating from any unsanctioned activities beyond the boundaries of the immediate site determined to be a nuisance by the Building Inspector. Sirens, whistles and bells which are maintained and utilized solely to serve a public purpose are exempt from the sound level standards of this section.
No activity shall emit any odorous matter of such nature or quantity as to be offensive, obnoxious or unhealthful outside its premises.
No activity shall emit radioactivity or electrical disturbances outside its premises that are dangerous or adversely affect the use of neighboring premises.