This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of polyacrylonitrile fiber dust in the air of the workshop and its monitoring and inspection methods. This standard is applicable to various industrial enterprises that produce and use polyacrylonitrile fiber. GB 18532-2001 Occupational exposure limits for polyacrylonitrile fiber dust in the air of the workshop GB18532-2001 standard download decompression password: www.bzxz.net

GB18532—2001
This standard is formulated based on on-site labor health surveys, occupational epidemiological observations and animal experiments, and with reference to relevant foreign literature. It is used as a health standard for workplace environmental monitoring and health supervision. This standard will be implemented from May 1, 2002. This standard was proposed by the Ministry of Health of the People's Republic of China. The drafting unit of this standard: Shandong Provincial Labor Health and Occupational Disease Prevention and Control Research Institute. The main drafters of this standard: Zhang Weide, Zhang Hong, Yu Xishan. This standard is entrusted to the Labor Health and Occupational Disease Research Institute of the Chinese Academy of Preventive Medicine for interpretation. 634
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National Standard of the People's Republic of China
Occupational exposure limit for polyacrylonltrilefibre dust in the air of workplaceGB18532--2001
This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of polyacrylonltrilefibre dust in the air of workplace and its monitoring and inspection methods.
This standard is applicable to various industrial enterprises that produce and use polyacrylonitrile fibers. Referenced Standards
The provisions contained in the following references constitute the provisions of this standard through reference in this standard. At the time of publication of this standard, 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/T5748--1985 Method for determination of dust in workplace air 3 Hygiene requirements
The maximum allowable concentration of polyacrylonitrile fiber dust in the workshop air is 4 mg/m, and the time-weighted average allowable concentration is 2 mg/m4 Monitoring and inspection methods
The concentration and dispersion of polypropylene fiber dust in the workshop air shall be determined in accordance with CB/T5748. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on December 4, 2001 irKAoNKAca-
Implementation on May 1, 2002
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