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| Chinese National Standard Category: Labor sanitation |
| English Title: | Classified management standard of respirable dust in the air of workplaces—Coal dust |
| Chinese Title: | 工作场所空气中呼吸性粉尘分级管理标准煤尘 |
| Standard No.: | GBZ/T 342-2025 |
| Category No.: | C52 |
| Issued by: | National Health Comission |
| Issued on: | 2025-08-20 |
| Implemented on: | 2026-2-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 6500 words |
| Similar Standards: |
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