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| Chinese National Standard Category: Determination methods for quality of other environmental elements |
| English Title: | Water quality－Microbial community biomonitoring－PFU method |
| Chinese Title: | 水质 微型生物群落监测 PFU法 |
| Standard No.: | GB/T 12990-1991 |
| Category No.: | Z22 |
| Issued by: | CSBTS state bureau of environmental protection |
| Issued on: | 1991-8-20 |
| Implemented on: | 1992-4-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 63000 words |
| Similar Standards: | DB23/T 3592-2023 HY/T 0305-2021 GB/T 41129-2021 GB/T 22727.1-2008 GB/T 12990-1991 |
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