GB 11725-1989
Health standard for dust containing more than 80% free silica in the air of workplace (English Version)

Standard No.

GB 11725-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Withdraw 2017-03

Latest

GB 11725-1989

Replace

TJ 36-1979

Scope

This standard stipulates the maximum allowable concentration of free silica dust in the workshop air containing more than 80%. This standard applies to new construction, reconstruction and expansion of industrial enterprises. For existing industrial enterprises that have pollution hazards, effective measures should also be actively taken to gradually meet the relevant provisions of this standard.

GB 11725-1989 history

• 1989 GB 11725-1989 Health standard for dust containing more than 80% free silica in the air of workplace

GB 11725-1989 Health standard for dust containing more than 80% free silica in the air of workplace has been changed from TJ 36-1979 Hygienic Standards for Design of Industrial Enterprises.