This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of wollastonite dust in workshop air and its monitoring and inspection methods. This standard is applicable to all types of industrial enterprises that produce and use wollastonite. GB 18546-2001 Occupational exposure limits for wollastonite dust in workshop air GB18546-2001 Standard download decompression password: www.bzxz.net
Some standard content:
GB18546—2001 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 health standard used for workplace environmental monitoring and health supervision. This standard is 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: Jilin Province Labor Hygiene and Occupational Disease Prevention and Control Institute. The main drafters of this standard: Jiao Hongyan, Dai Hong, Zhu Guizhi, Chen Bin, Li Tao. This standard is entrusted to the Labor Hygiene and Occupational Disease Institute of the Chinese Academy of Preventive Medicine for interpretation. 1 Scope National Standard of the People's Republic of China Occupational exposure limit for wollastonite dust in the air of workplace GB 18546--2007 This standard specifies the maximum permissible concentration and time-weighted average permissible concentration of wollastonite dust in the air of workplace and the monitoring and inspection method. This standard applies to all types of industrial enterprises that produce and use wollastonite. 2 Cited standards The clauses contained in the following standards constitute the clauses 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/T57481985 Determination of dust in workplace air 3 Hygiene requirements The maximum allowable concentration of wollastonite dust containing less than 10% of free silica in the workshop air is 10mg/m3. The time-weighted average allowable concentration of wollastonite dust containing less than 10% of free silica in the vehicle air is 5mg/m3. 4 Detection and inspection methodswww.bzxz.net The determination method of silica fume dust in workshop air shall be implemented in accordance with GB/T5748. 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 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.