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| Chinese National Standard Category: Sampling methods for liquid mediums and plant, animal and human organism |
| English Title: | Water quility－Guidance on sampling techniques |
| Chinese Title: | 水质 采样技术指导 |
| Standard No.: | GB 12998-1991 |
| Category No.: | Z12 |
| Issued by: | SQTSB; SEPA |
| Issued on: | 1991-01-25 |
| Implemented on: | 1992-3-1 |
| Status: | superseded |
| Superseded by: | HJ 494-2009 Water quality-Guidance on sampling techniques |
| Superseded on: | 2009-11-1 |
| Abolished on: | 2009-11-01 |
| Superseding: | |
| Word Count: | 4500 words |
| Similar Standards: | DB23/T 3591-2023 GB/T 14581-1993 GB/T 12999-1991 GB 12998-1991 GB 12997-1991 |
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