No person, firm or corporation shall discharge or cause to be discharged into any public sewer any of the following substances:
A. Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas.
B. Any waters or wastes containing toxic or poisonous solids, liquids or gases in sufficient quantity, either singly or by interaction with other wastes, to injure or interfere with any sewage treatment process or facility (including the aquaculture fish management program), constitute a hazard to humans or animals, create a public nuisance or create any hazard in the receiving waters of sewage treatment systems.
C. Any waters or wastes having a pH lower than 5.5, or causing the pH of the sewage treatment system to rise above 9.5, or having any other corrosive property capable of causing damage or hazard to processes, structures, equipment and/or personnel of the sewage works.
D. Solid, viscous or liquid substances in quantities or of such size as to cause or be capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works such as, but not limited to, ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and fleshings, entrails, paper products such as dishes, cups, milk containers, and the like, either whole or ground by garbage grinders, slops, chemical residues, or bulk solids.
E. Any strong acid, iron pickling wastes or concentrated plating solutions whether neutralized or not.
F. Any unusual volume of flow or concentration of wastes which cause the sewage system to be overloaded.
G. Any substance that may pass through the treatment system without being effectively treated or otherwise reduced to acceptable concentrations by normal treatment methods such that the sewage treatment system effluent cannot meet the requirements of other agencies having jurisdiction over the discharge to the receiving waters.
H. Any waste containing rhenium, strontium or tellurium.
I. Any waters or wastes containing substances in excess of the limits established in section 9-4-3 of this chapter. (1991 Code § 18-152)