Working Environment Measurement Standards
Ministry of Labour Notification No. 46 of April 22, 1976
Latest Amendments:
Ministry of Health, Labour and Welfare Notification No. 191 of April 27, 2001
作業環境測定基準：原文
Measurement of Concentration of Oxygen and Hydrogen Sulfide
Article 12.The measurement of concentration of oxygen and hydrogen sulfide in the air at a workplace (workplaces involving danger of oxygen deficiency) prescribed in item 9, Article 21 of the Cabinet Order shall be made as provided in the following:
- Sampling points numbering at least 5 shall be provided at proper positions for detecting the condition of the distribution of concentration of oxygen and hydrogen sulfide in the air in the said workplace.
- Measurement shall be made according to the classification shown in the left column of the following table by using a measuring instrument listed in the right column of the table or a measuring instrument having equivalent or higher capacity.
- Classification
- Measuring instrument
- Concentration of oxygen
- Oxygen analyzer or galvanometric oxygen meter of oxygen detector tube
- Concentration of hydrogen sulfide
- Hydrogen sulfide detector tube
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