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 in a Room of a Building
Article 6.The measurement of the content of carbon monoxide and carbon dioxide in a room of a building (office which is provided with a centrally controlled air conditioning) prescribed in item 5, Article 21 of the Cabinet Order shall be made in accordance with the provisions specified in the following:
- Sampling points (except such a point for measuring atmospheric temperature) of at least one shall be provided at 75 to 120 cm above the floor surface at the central portion of a room.
- Measurement shall be made during normal business hours of the room.
- 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 an equivalent or higher instrument:
- Classification
- Measuring instrument
- Content of carbon monoxide
- Carbon monoxide detector tube
- Content of carbon dioxide
- Thermometer of 0.5℃ minimum scale
- Room temperature and atmospheric temperature
- Thermometer of 0.5℃ minimum scale
- Relative humidity
- Psychrometer of 0.5℃; minimum scale
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