GB 18057-2000 Hygienic standard for n-hexane in the atmosphere of residential areas

This standard specifies the maximum permissible concentration of n-hexane in the atmosphere of residential areas and its monitoring and inspection methods. This standard is applicable to the monitoring and evaluation of the atmospheric environment in residential areas. GB 18057-2000 Health standard for n-hexane in the atmosphere of residential areas GB18057-2000 Standard download decompression password: www.bzxz.net

GB18057—2000
All technical contents of this standard are mandatory. Fore
To implement the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Air Pollution, prevent and control the environmental pollution of residential areas caused by waste gas generated by industrial enterprises, and protect the health of the general public. This standard is formulated based on the principles of formulating health standards for harmful gases in the atmosphere, with reference to foreign research results, and based on the actual situation in my country. This standard shall be implemented from January 1, 2001. This standard is proposed by the Ministry of Health of the People's Republic of China. The responsible drafting unit of this standard: Shandong Provincial Environmental Sanitation Monitoring Station. The main drafters of this standard: Yu Qing, Liu Xuejin, Li Huawen, Tang Zian, Shi Xiaobin. This standard is entrusted by the Ministry of Health to the Environmental Sanitation Monitoring Institute of the Chinese Academy of Preventive Medicine for interpretation. 44bZxz.net
1 Scope
National Standard of the People's Republic of China
Hygienic standard for n-mexane in air of residential areaGB 18057--2000
This standard specifies the maximum permissible concentration of n-mexane in air of residential area and its monitoring and inspection methods. This standard is applicable to the monitoring and evaluation of the atmospheric environment in residential areas. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through their use in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T16131-1995 Standard method for the hygienic inspection of n-hexane in the atmosphere of residential areas Gas chromatography 3 Standard limit
The second highest permissible concentration of n-hexane in the atmosphere of residential areas is 60 mg/m2. 4 Monitoring and inspection method
The inspection method of this standard is shown in GB/T16131. ​​Approved by the State Administration of Quality and Technical Supervision on April 10, 2000 and implemented on January 1, 2001
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