GB 18558-2001 Occupational exposure limits for precipitated silica (white carbon black) dust in workplace air

This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of precipitated silica (white carbon black) dust in the air of workshops and the monitoring method. This standard is applicable to all types of industrial enterprises that produce and use white carbon black. GB 18558-2001 Occupational exposure limits for precipitated silica (white carbon black) dust in the air of workshops GB18558-2001 Standard download decompression password: www.bzxz.net

GB18558--2001www.bzxz.net
This standard is formulated for the first time based on toxicological experiments, on-site labor hygiene surveys and occupational epidemiological survey data. It is a hygienic standard used for workplace environmental monitoring and hygienic supervision. This standard is proposed by the Ministry of Health of the People's Republic of China. The drafting unit of this standard: Jilin Province Labor Hygiene and Occupational Disease Prevention and Control Research Institute. The participating drafting units of this standard: Jilin Medical College, Tonghua Erdaojiang District Health and Epidemic Prevention Station, Tonghua Iron and Steel Company Epidemic Prevention Station. The main drafters of this standard: Jiao Hongyan, Dai Hongru, Liu Shudong, Guo Lixuejun, Sun Pinghui. This standard is entrusted to the Institute of Labor Hygiene and Occupational Diseases of the Chinese Academy of Preventive Medicine for interpretation. 720
1 Scope
National Standard of the People's Republic of China
Oceupatioal exposure limit for preripitated silica dust in the air of workplace
GB185582001
This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of precipitated silica dust in the air of workplace and the monitoring and inspection method.
This standard is applicable to all industrial enterprises that produce and use carbon black. 2 Referenced Standards
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 will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T57481985 Determination of dust in workplace air Hygienic requirements
The maximum allowable concentration of precipitated silicon dioxide (white carbon black) powder in workshop air is 10 mg/m, and the time-weighted average allowable concentration of precipitated silicon dioxide (white carbon black) dust in workshop air is 5 g/m4 Monitoring and inspection methods
The determination method of precipitated silicon dioxide (white carbon black) dust in workshop air shall be implemented in accordance with G3/T5748. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on December 4, 2001 TrKAONKAca-
Implementation on May 1, 2002
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