 
 
Overview  of the Amendment of the Enforcement Order of Industrial Safety and 
Health Law  
 
1. Objectives of the amendment  
The Enforcement Order of Industrial Safety and Health Law is to be amended to ensure the 
safety and health of workers in workplace by assuring the performance of Powered Air -
Purifying Respirator  (G-PAPR)  for halogen gases , organic gases and other toxic gases 
specified by the ordinance of the Ministry of Health and Labour and Welfare . 
 
2. Overview  of the amendment  
(1) G-PAPR is added to the list of  machines which shall not be transferred, leased or 
installed witho ut satisfying the construction standard of G -PAPR . 
(2) G-PAPR is added to th e list of  machines which shall not be manufactured or 
imported without undergoing type examinatio n. 
 
In accordance with the amendment, the Construction Standard of G-PAPR is to be 
established by reference to the  Japan Industrial Standard. The Construction Standard will 
classify G-PAPR according to the shape of the mask, the air capacity, and the substances of 
toxic gases to be purified by the canister or cartridge , and will prescribe additional  
requirements of st ructure and strength, test methods of the performance and items to be 
indicated.  
 
For your reference, the relevant legislations is available at the following 
URL;   
 
The Industrial Safety and Health Law  
https://www.japaneselawtranslation.go.jp/ja/laws/view/3440  
 
Enforcement Order of Industrial Safety and Health Law  
https://www.japaneselawtranslation.go.jp/ja/laws/view/3817  
 
 
 
 