(A)   No use otherwise allowed shall be permitted within any district which does not conform to the following standards of use, occupancy, and operations, which are standards hereby established as the minimum requirements to be maintained within the area.
   (B)   Smoke.
      (1)   It shall be unlawful for any person, firm or corporation to permit the emission of any smoke from any source whatever to a density greater than that density described as No. 1 of the Ringlemann Chart, provided that the following exceptions shall be permitted: Smoke, the shade or appearance of which is equal to but no darker than No. 2 of the Ringlemann Chart for a period or periods, aggregating four minutes in any 30 minutes.
      (2)   For the purpose of grading the density of smoke, the Ringlemann Chart, which is hereby made part of this chapter, shall be the standard.
   (C)   Dust, dirt and fly ash.
      (1)   No person, firm or corporation shall operate or cause to be operated, maintain or cause to be maintained, any process for any purpose, or furnace or combustion device for the burning of coal or other natural or synthetic fuels, without maintaining and operating, while using said process or furnace or combustion device, recognized and approved equipment, means, method, device or contrivance to reduce the quantity of gasborne or airborne solids or fumes emitted into the open air, which is operated in conjunction with said process, furnace, or combustion device so that the quantity of gasborne or airborne solids shall not exceed 0.20 grains per cubic foot of the carrying medium at a temperature of 500º F.
      (2)   For the purpose of determining the adequacy of such devices these conditions are to be conformed to when the percentage of excess air in the stack does not exceed 50% at full load. The foregoing requirement shall be measured by the American Society of Mechanical Engineers (A.S.M.E.) Test Code for dust-separating apparatus. All other forms of dust, dirt and fly ash shall be completely eliminated insofar as escape or emission into the open air is concerned. The Building Inspector may require such additional data as is deemed necessary to show that adequate and approved provisions for the prevention and elimination of dust, dirt and fly ash have been made.
   (D)   Glare and radioactive materials. Glare from any process (such as or similar to arc welding, or acetylene torch cutting) which emits harmful ultra-violet rays shall be performed in such a manner as not to create a public nuisance or hazard along lot lines. Radioactive materials and wastes, and including electro-magnetic radiation such as x-ray machine operation, shall not be emitted to exceed quantities established as safe by the U.S. Bureau of Standards, when measured at the property line.
   (E)   Fire and explosive hazards. The storage and handling of flammable liquids, liquefied petroleum gases and explosives shall comply with the state rules and regulations as established by Public Act 207 of 1941, being M.C.L.A. §§ 29.1 to 29.34, as amended.
   (F)   Noise. Objectionable sounds, including those of an intermittent nature, shall be controlled so as not to become a nuisance to adjacent uses.
   (G)   Odors and fumes. Creation of offensive odors and fumes shall be prohibited.
   (H)   Wastes. No waste shall be discharged in the public sewer systems which, in the determination of the City Engineer, is dangerous to the public health and safety.
(`73 Code, 15.321, § 5.118)  (Ord. eff. 8-1-67; Am. Ord. passed 1973)