中华人民共和国国家生态环境标准HJ91.2—2022部分代替HJ/T91—2002地表水环境质量监测技术规范Technicalspecificationsforsurfacewaterenvironmentalqualitymonitoring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。2022-04-15发布2022-08-01实施生态环境部发布HJ91.2—2022i目次前言.................................................................................................................................................................ii1适用范围........................................................................................................................................................12规范性引用文件.............................................................................................................................................13术语和定义....................................................................................................................................................14布点与采样....................................................................................................................................................35监测项目与分析方法.....................................................................................................................................96监测数据处理.................................................................................................................................................97质量保证与质量控制.....................................................................................................................................98原始记录......................................................................................................................................................10附录A（规范性附录）地表水总磷监测现场前处理方法.........................................................................12附录B（资料性附录）地表水采样记录表.................................................................................................13HJ91.2—2022ii前言为贯彻《中华人民...
