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| Chinese National Standard Category: Pollutants discharge in general |
| English Title: | Emission standard of coalbed methane/coal mine gas |
| Chinese Title: | 煤层气（煤矿瓦斯）排放标准 |
| Standard No.: | GB 21522-2024 |
| Category No.: | Z60 |
| Issued by: | SAMR; SAC |
| Issued on: | 2024-11-28 |
| Implemented on: | 2025-4-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB 21522-2008 Emission Standard of Coalbed Methane/Coal Mine Gas（on trial） |
| Word Count: | 4000 words |
| Similar Standards: | GB 18918-2002/XG1-2025 T/HZAEPI 003-2023 DB34/T 4230.10-2022 DB34/T 4230.5-2022 DB34/T 4230.9-2022 DB34/T 4230.6-2022 DB34/T 4230.8-2022 DB34/T 4230.4-2022 DB34/T 4230.2-2022 DB34/T 4230.3-2022 DB34/T 4230.12-2022 DB34/T 4230.18-2022 DB34/T 4230.21-2022 DB34/T 4230.1-2022 DB34/T 4230.13-2022 DB34/T 4230.16-2022 DB34/T 4230.11-2022 DB34/T 4230.15-2022 DB34/T 4230.14-2022 DB34/T 4230.7-2022 |
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