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Gasoline, benzine, naphtha, and other volatile, flammable or explosive wastes shall not discharge into a house sewer, public sewer, or sewage treatment plant. Such wastes shall be intercepted in approved triple basins having a liquid retention of not less than 2 cubic feet (0.19 m3) each, and the volatile, flammable or explosive constituents removed. The installer of the triple basins and the owner of the property shall ensure that such triple basins are installed and operated in accordance with the manufacturer's instructions. Every system of basins within buildings shall be constructed of approved fiberglass, a high-density polyethylene, extra heavy cast iron or equally durable material. A heavy iron cover shall be securely bolted into place and made gas-tight with a soft metallic gasket. The outlet from such basins and the inlet of the first basin shall be trapped with a seal of not less than 4 inches (100 mm). The inlet trap of the first basin shall be omitted when floor drains are individually trapped. A vent pipe of not less than 2 inches (50 mm) in diameter shall be connected to the basins, not less than 4 inches above the top of the outlet and extended independently to the outer air.
(Amend Coun. J. 7-29-15, p. 3537, § 4)