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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: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 6500 words |
| Similar Standards: | DB32/T 5152-2025 DB13/T 2370-2016 GBZ/T 196-2025 GBZ/T 229.2-2025 GBZ/T 229.1-2025 GBZ/T 229.3-2025 GBZ/T 340-2025 GBZ/T 342-2025 GBZ/T 341-2025 DB3202/T 1045-2023 DB3202/T 1029-2022 DB3202/T 1033-2022 DB3202/T 1032-2022 DB4403/T 241-2022 GB/T 16124-2025 DB36/T 1705-2022 DB36/T 841-2024 DB32/T 4781-2024 DB21/T 1499-2007 GBZ 331-2024 |
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