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| Professional Standard Category: Professional Standard - Environment |
HJ 1412-2025 Ambient air―Source apportionment on particulate matter―Technical specifications for automatic weighing method of sampling filter for particles
环境空气 颗粒物来源解析 颗粒物滤膜自动称量技术规范 ;
| Category No.: | HJ | Valid Status: | valid |
| Issued Organization: | MEE | Issued Date: | 2025-05-21 |
| Implemented Date: | 2025-8-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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