中华人民共和国国家标准ICS13.040.40Z60GB21522—2024煤层气（煤矿瓦斯）排放标准Emissionstandardofcoalbedmethane（coalminegas）本电子版为正式标准文本，由生态环境部环境标准研究所审校排版。2024⁃12⁃01发布2025⁃04⁃01实施生态环境部国家市场监督管理总局发布代替GB21522—2008GB21522—2024目次前言··························································································································Ⅱ1适用范围·················································································································12规范性引用文件···································································································13术语和定义··············································································································14抽采要求·················································································································25排放控制要求···········································································································36监测要求·················································································································47实施与监督··············································································································4ⅠGB21522—2024前言为贯彻《中华人民共和国环境保护法》《中华人民共和国大气污染防治法》，强化甲烷排放控制，积极应对气候变化，改善生态环境质量，制定本标准。在保证煤矿通风安全的前提下，本标准规定了煤层气（煤矿瓦斯）的抽采要求、排放控制要求、监测要求、实施与监督要求。本标准首次发布于2008年，本次为第一次修订。本次修订的主要内容：——调整了煤层气（煤矿瓦斯）的排放控制要求；——增加了煤层气（煤矿瓦斯）的排放监控位置要求；——修改了煤层气（煤矿瓦斯）的利用和销毁要求；——修改了监测要求；——增加了紧急情况的管理要求。新建井工煤矿及煤层气地面开发系统自2025年4月1日起，现有井工煤矿及煤层气地面开发系统自2027年4月1日起，其煤层气（煤矿瓦斯）排放控制按照本标准的规定执行，不再执行《煤层气（煤矿瓦斯）排放标准（暂行）》（GB21522—2008）中的相关规定。各地可根据当地生态环境保护需要和经济与技术条件，由省级人民政府批准提前实施本标准。本标准由生态环境部应对气候变化司、法规与标准司组织修订。本标准主要起草单位：国家应对气候变化战略研究和国际合作中心、中国环境科学研究院。本标准生态环境部2024年12月1日批准。本标准自2025年4月1日起实施。本标准由生态环境部解释。ⅡGB21522—2024煤层气（煤矿瓦斯）排放标准1适用范围本标准规定了煤层气（煤矿瓦斯）的抽采要求、排放控制要求、监测要求、实施与监督。本标准适用...