This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of butanone in the air of a workshop. This standard applies to all types of industrial enterprises that produce and use butanone. GB 18534-2001 Occupational exposure limits for butanone in the air of a workshop GB18534-2001 Standard download decompression password: www.bzxz.net

GB18534—2001
This standard is formulated for the first time based on toxicological experiments, on-site labor hygiene surveys, epidemiological survey data and reference to foreign occupational exposure limits. It is used as a health standard for environmental monitoring and health supervision in workplaces. This standard will be implemented from May 1, 2002. This standard is proposed by the Ministry of Health of the People's Republic of China. The drafting unit of this standard: Tongji Medical University. The main drafters of this standard: Yu Dalin, Liu Kejian, Chen Rong'an, Shen Lingxun. This standard is entrusted to the Institute of Labor Hygiene and Occupational Diseases of the Chinese Academy of Preventive Medicine for interpretation. 640
1 Scope
National Standard of the People's Republic of China
Occupational exposure limit for methy!ethyl ketone in the air of workplace
Occupational exposure limit for methy!ethyl ketone in the air of workplace This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of methy!ethyl ketone in the air of workplaces. This standard applies to all types of industrial enterprises that produce and use methy!ethyl ketone. 2 Cited standards
GB 18534—2001
The provisions contained in the following standards constitute the provisions of this standard through reference 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/T16060—1995 Direct injection gas chromatography determination method for butanone in workshop air 3 Hygienic requirements
The maximum allowable concentration of butanone in workshop air is 590 mg/m2, and the time-weighted average allowable concentration is 300 mg/m. 4 Monitoring and inspection methodsbzxZ.net
The monitoring and inspection methods of this standard shall be based on the determination methods of GB/T16060 standard. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on December 4, 2001 and implemented on May 1, 2002
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