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. All structures, lands, air, and waters shall hereafter, in addition to their use, site, and sanitary regulations, comply with the performance standards found in this article.

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 other forms of property. No activity shall emit any liquid or solid particles in concentrations exceeding 0.3 grains 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 Mine's Information Circular 7718, except for not more than four minutes during any six-hour period each stack or chimney may emit smoke of Ringelmann No. 3. No activity shall emit more than 10 smoke units per hour per stack or chimney except that once during any six-hour period each stack or chimney may emit up to 20 smoke units when blowing soot or cleaning fires.

All activities involving the manufacturing, utilization, processing, or storage of flammable and explosive materials shall be provided with adequate safety devices against the hazard of fire and explosion and with adequate firefighting and fire suppression equipment and devices that are standard in the industry. All materials that range from active to intensive burning shall be manufactured, utilized, processed, and stored only in completely enclosed buildings which have incombustible exterior walls and an automatic fire extinguishing system. The aboveground storage capacity of materials that product flammable or explosive vapors shall not exceed the following:

No activity shall emit glare or heat that is visible or measurable outside its premises except activities 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 emit any odorous matter of such nature or quantity as to be offensive, obnoxious, or unhealthful outside their premises. The guide for determining odor measurement and control shall be Chapter 13, Air Pollution Abatement Manual (current edition), prepared by the Manufacturing Chemists' Association, Inc., Washington, D.C. Farmers actively engaged in farming practices are expressly exempt from odor regulation.

No activity shall emit radioactivity or electrical disturbances outside its premises that are dangerous or adversely affect the use of neighboring premises.

No activity in any district shall emit vibrations which are discernible without instruments outside its premises. No activity shall emit vibrations, which exceed the following displacement measured with a three-component measuring system: