567—69.15 (455B) Requirements for chemical toilets. All chemical toilets shall comply with the following requirements:
	 69.15(1) Tank. Chemical toilets for use in isolated residences shall have a receptacle of smooth, impervious material that is resistant to chemicals and easily cleanable.
	 69.15(2) Vent. When vents are required for chemical toilets, they shall be of durable corrosion-resistant material installed in a professional manner.
	 69.15(3) Mixing and chemical charge. The fixture shall be equipped with a mixing device and shall be charged with the proper concentration of bactericidal chemical or chemicals. Chemical recharges shall be added and mixed with the contents when necessary to maintain sufficient solution strength and to suppress odors.
	 69.15(4) Toilet rooms. Chemical toilets shall be located in toilet rooms which are well lighted, ventilated and maintained in a nuisance-free condition.
	 69.15(5) Final disposal of receptacle contents. The receptacle contents shall be disposed of in accordance with the requirements of 567—Chapter 68. The recommended method of disposal is discharging to a municipal sewage treatment facility.