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SECTION 24-13. Restriction on usage of sanitary sewers. The discharge of industrial waste into the city sanitary sewer system • will be permitted provided that: (a) Sewer capacity is available on a basis compatible with the best overall use of the sewer. (b) The waste to be discharged is amenable to treatment by the processes employed in the waste treatment plants of the Rivanna Water and Sewer Authority. (c) The waste to be discharged will not cause damage or constitute a hazard to the sanitary sewer system or waste treatment facilities and will not constitute a hazard to humans or animals, nor be capable of creating a public nuisance. (d) The concentration of substances, compounds, and elements in the waste being discharged or proposed to be discharged do not exceed the limits established by this article. (e) All other requirements of this article are complied with, including the obtaining of a permit as required by 524-19. SECTION 24-14. Substances not to be deposited in sanitary sewer is system. No person shall cause to be discharged or deposited any of the following into any sewer forming a part of the sanitary sewer system of the city: (a) Any waste, liquid, or vapor having a temperature higher than 150 degrees Farenheit. (b) Any water or waste containing more than 100 parts per million of fat, oil, or grease, exclusive of soap. (c) Any gasoline, benzene, naphtha or other hydrocarbon solvents or oils, or other flammable or explosive liquids, solids or gases. (d) Any solid waste in excess of concentrations present in normal domestic sewage that has not been properly shredded. (e) Any ashes, cinders, sand, mud, straw, shavings, lint, glass, rags, metals, feathers, tar, plastics, wood, paunch manure, insulation materials, fibers of any kind, stock or poultry feeds, processed grains, viscera or other fleshy particles from processing or packing plants, or any other solid or viscous substance in excess of concentrations present • in normal domestic sewage capable of causing obstruction to flow in sewers or interference with proper operation of waste treatment facilities.