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§ 21-9 HAWAII COUNTY CODE Section 21-9. Prohibited wastes. Except as hereinafter provided in this chapter, no person shall, directly or indirectly, discharge or cause to be discharged into a public sewer any of the following: (1) Any liquid or vapor having a temperature higher than one hundred fifty degrees Fahrenheit; (2) Any water or waste which may contain more than one hundred parts per million, by weight, of fat, oil or grease; (3) Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid or gas; (4) Any garbage that has not been properly shredded; (5) Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure or any other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works; (6) Any water or wastes having pH lower than 5.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewage works; (7) Any water or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, or create any hazard in the receiving waters; (8) Any noxious or malodorous gas or explosive liquids or substance capable of endangering public property and safety, or creating a public nuisance; or (9) Other restrictions as provided in accordance with regulations or requirements of the State department of health or the U. S. Environmental Protection Agency. (1983 CC, c 21, art 2, sec 21-9; am 1989, ord 89-68, sec 5.) Section 21-10. Volume and rate of discharge; additional flow beyond capacity. The director may prohibit admission into the public sewers of any additional volume of water or wastes, wherever and to the extent that the existing sewage works of the County shall not be capable of receiving and disposing of the same, together with the normal sewage flow of that tributary area. (1983 CC, c 21, art 2, sec 21-10; am 2002, ord 02-66, sec 4.) 21-6