No person shall discharge or cause to be discharged any of the following described water or wastes to any public sewers.
(A) Any liquids, solids or gases which by reason of their nature or quantity are, or may be, sufficient either alone or by interaction with other substances to cause fire or explosion or be injurious in any other way to the wastewater disposal system or to the operation of the system. prohibited materials include, but are not limited to gasoline, kerosene, naphtha, benzene, toluene xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hydrides and sulfides;
(B) Solid or viscuous substances which will cause obstruction to the flow in a sewer or other interference with the proper operation of the wastewater treatment facility 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 and paper dishes, cups, milk containers and the like and either whole or ground garbage grinders; (Solids shall have a maximum allowable diameter of three inches.)
(C) Any wastewater having a pH of less than 5.0 or greater than 9.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the wastewater disposal system; and/or
(D) Any wastewater containing toxic pollutants in sufficient quantity, either singly or by interaction with other pollutants, to inhibit or disrupt any wastewater treatment process, constitute a hazard to humans or animals, or create a toxic effect in the receiving waters of the wastewater disposal system. A toxic pollutant shall include but not be limited to any pollutant identified pursuant to Section 307(a) of the Act.
(`87 Code, § 403.04)