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Ordinance on Industrial Safety and Health
Ministry of Labour Ordinance No. 32 of September 30, 1972

Latest Amendments:
Ministry of Health, Labour and Welfare Ordinance No. 47 of March 30, 2007
In Japanese

Update : 2008.03.28

Part III Health Standards

Chapter VII Cleanliness

Article 619 (Cleaning, etc.)
  • (1) The employer shall take the measures listed in the following each item:
    • (i) In addition to daily cleaning, to carry out the general cleaning periodically once every period within six months in the standardized procedures.
    • (ii) To implement investigation on locations, habitat and invasion routes of rodents, insects, etc., and damages caused by them periodically once every period within six months in the standardized procedures, and take necessary measures to prevent infestation of rodents, insects, etc., based on the results of the said investigation.
    • (iii) To use drugs or quasi-drugs that are approved pursuant to the provision of Article 14 or 19-2 of the Pharmaceutical Affairs Act (Act No.145 of 1960) when using rodenticides or insecticides to control rodents, insects, etc.
Article 620 (Workers' Obligation to Maintain Cleanness)
  • (1) A worker shall endeavor to clean the workshops and not dump waste materials at places other than those provided for that purpose.
Article 621 (Deleted)
Article 622 (Cleaning of a Contaminated Floor, etc.)
  • (1) The employer shall clean the floor and the wall of which are liable to be contaminated with harmful, perishable or stinking substances as required.
Article 623 (Structure of a Floor, etc.)
  • (1) The employer shall paint an impermeable material on the floors and walls of workshop as provided for by the preceding Article and other floors and walls liable to be moistened by the use of a large quantity of water or other liquids and that the floors and walls are constructed in such a way as to facilitate draining.
Article 624 (Disposal of Filth)
  • (1) The employer shall dispose filth of without being exposed, at places provided for that purpose.
  • (2) The employer shall disinfect floors, walls, containers, etc., liable to be contaminated with pathogens as required.
Article 625 (Cleaning Facilities, etc.)
  • (1) The employer shall, when having workers engage in work liable to contaminate the body or clothes, provide them with facilities for washing their eyes and bodies, or gargling, facilities for changing their clothes, or facilities for washing their clothes.
  • (2) The employer shall provide the facilities set forth in the preceding paragraph with necessary tools respectively.
Article 626 (Facilities to Dry Clothes)
  • (1) The employer shall, in workshops where clothes are liable to be extremely moistened, provide facilities to dry clothes.
Article 627 (Supply of Water)
  • (1) The employer shall supply workers with a sufficient amount of drinking water or other drinks.
  • (2) The employer shall, when installing water supply facilities other than those prescribed by paragraph (9) of Article 3 of the Waterworks Act (Act No.177 of 1957) and supplying the water for drinking and washing tableware, comply with the following provisions:
    • (i) To confirm that the water to be supplied complies with the water quality standards pursuant to the provision of Article 4 of the Waterworks Act based on the result of the examination of water carried out by local government, etc.
    • (ii) To maintain the content of free residual chlorine at the water tap 0.1 ppm or more (in case of combined residual chlorine, 0.4 ppm or more). However, when the water to be supplied is suspected to be contaminated with pathogens or when it is liable to contain a large quantity of organisms or substances suspected to be contaminated with pathogens, the content of free residual chlorine at the water tap be maintained 0.2 ppm or more (in case of combined residual chlorine, 1.5 ppm or more).
    • (iii) To take appropriate measures to prevent water from being contaminated by harmful substances or waste fluid, etc.
Article 628 (Lavatory)
  • (1) The employer shall install lavatories as provided by followings. However, this shall not apply to when a suitable number of lavatories or toilets are provided in the case of an unavoidable reason in special workshops such as work in a pit, etc.:
    • (i) To be constructed separately for men and women.
    • (ii) To provide one or more toilets for every 60 men or less working at the same time.
    • (iii) To provide one or more urinals for every 30 men or less working at the same time.
    • (iv) To provide one or more toilets for every 20 women or less working at the same time.
    • (v) To construct receptacles for excrement in such a way that excrement may not penetrate into the soil.
    • (vi) To provide washstands supplying a sufficient amount of clean water.
  • (2) The employer shall keep clean the lavatories, toilets, and urinals set forth in the preceding paragraph and dispose excrement in a suitable manner.
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