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| Chinese National Standard Category: Environmental pollutant monitoring methods |
| English Title: | Technical specifications requirements for monitoring of surface water and waste water |
| Chinese Title: | 地表水和污水监测技术规范 |
| Standard No.: | HJ/T 91-2002 |
| Category No.: | Z10 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 2003-1-1 |
| Status: | superseded |
| Superseded by: | HJ 91.1-2019 Technical specifications for wastewater monitoring HJ 91.2-2022 Technical specifications for surface water environmental quality monitoring |
| Superseded on: | 2020-3-24 |
| Abolished on: | |
| Superseding: | HJ 91.2-2022 Technical specifications for surface water environmental quality monitoring |
| Word Count: | 26500 words |
| Similar Standards: |
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