Ministry of Health, Labour and Welfare Directive to Prefectural Undersecretaries No. 0509001, Guidelines on Passive Smoking Prevention Measures in the Workplace (2003)

09 May, 2003

COMMENTS: Ministry of Health, Labour and Welfare Directive to Prefectural Undersecretaries No. 0509001, Guidelines on Passive Smoking Prevention Measures in the Workplace (2003) also implement Article 71 of the Industrial Safety and Health Act. Theses Workplace Guidelines encourage the creation of designated smoking areas and provide the following standards: 1) smoking rooms should be ventilated to the outside, 2) the concentration of airborne dust should be 0.15 m/m3 or less, 3) the concentration of carbon monoxide should be 10 ppm or less, and 4) the wind speed of air flowing toward the smoking rooms at the boundary between non-smoking areas and smoking rooms should be 0.2 m/s or greater.

To the best of our knowledge, all laws provided here are in effect as of June 19, 2024 unless otherwise noted.