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| Professional Standard Category: Professional Standard - Environment |
HJ 915.3-2024 Technical specifications for operation and maintenance of surface water quality automated monitoring station（Conventional five parameters、 CODMn、NH3-N、TP、TN）
地表水水质自动监测站（常规五参数、CODMn、NH3-N、TP、TN）运行维护技术规范;
| Category No.: | HJ | Valid Status: | valid |
| Issued Organization: | MEE | Issued Date: | 2024-12-25 |
| Implemented Date: | 2025-7-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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