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| Chinese National Standard Category: Labor sanitation |
| English Title: | Rating standard of work exposing to occupational hazard—Part 1: Industrial dust |
| Chinese Title: | 职业病危害作业分级标准 第1部分：生产性粉尘 |
| Standard No.: | GBZ/T 229.1-2025 |
| Category No.: | C52 |
| Issued by: | National Health Comission |
| Issued on: | 2025-08-20 |
| Implemented on: | 2026-2-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GBZ/T 229.1-2010 Classification of occupational hazards at workplaces Part 1:Occupational exposure to industrial dust |
| Word Count: | 5000 words |
| Similar Standards: |
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