CurrentMandatory
GB 21522-2024
Emission standard of coalbed methane/coal mine gas
煤层气（煤矿瓦斯）排放标准
Explanation
GB 21522-2024 is a current mandatory Chinese national standard for Emission standard of coalbed methane/coal mine gas. It appears in the Chemicals compliance cluster with a product safety focus and has an implementation date of Apr 1, 2025.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Verify against the official source before using this record in a compliance decision.
Applicability hints
- Type
- Environmental protection
- CCS
- Z60
- ICS
- 13.040.40
- Competent department
- Ministry of Ecology and Environment
- Technical committee
- Ministry of Ecology and Environment
Relationships
Replaces:GB 21522-2008