Section R. 460.1466 - Construction and maintenance of outside toilets used by employeesRule 6.
(1) The commission may, after proper investigation, hearing and order in the matter, permit the installation and maintenance of outside toilet facilities, where it is found otherwise impractical to install inside toilet and urinal facilities.(2) Where outside toilets are installed and maintained in accordance with the above paragraph, they shall be located on ground that is well drained and where there is no possibility of contaminating any drinking water supply.(3) Suitable approach, such as concrete, gravel or cinder walk, shall be provided.(4) All windows, ventilators, and other openings, except doors, shall be screened to prevent the entrance of insects. A separate ventilator duct, with hood, shall be provided for the vault, and shall extend above the roof.(5) The entire installation must be kept clean and sanitary. Milk of lime (freshly slaked lime) or other equally effective disinfectant shall be used in the vault and in the urinal trough in sufficient quantities and at frequent intervals.Mich. Admin. Code R. 460.1466