Standard No.:	GB 11724-1989
English Name:	Health standard for dust containing 50%~80% free silica in the air of workplace
Chinese Name:	车间空气中50%~80%游离二氧化硅粉尘卫生标准
Chinese Classification:	C52    Labor sanitation
Professional Classification:	GB    National Standard
ICS Classification:	13.040.30 13.040.30    Workplace atmospheres 13.040.30
Source Content Issued by:	Ministry of Public Health
Issued on:	1989-06-20
Implemented on:	1990-7-1
Status:	abolished
Abolished on:	2017-03-23
Target Language:	English
File Format:	PDF
Word Count:	500 words
Translation Price(USD):	100.0
Delivery:	via email in 1~3 business day

本标准规定了车间空气中含50%～80%游离二氧化硅粉尘最高许浓度。本标准适用于新建、改建、扩建的工业企业。对于现有工业企业有污染危害的，亦应积极采取行之有效的措施，逐步达到本标准的有关规定。