中华人民共和国国家环境保护标准HJ353-2019代替HJ/T353-2007水污染源在线监测系统（CODCr、NH3-N等）安装技术规范Technicalspecificationforinstallationofwastewateron-linemonitoringsystem(CODCr,NH3-Netal.)（发布稿）本电子版为发布稿。请以中国环境出版集团出版的正式标准文本为准。2019-12-24发布2020-03-24实施生态环境部发布i目次前言.................................................................................................................................................ii1适用范围.........................................................................................................................................12规范性引用文件.............................................................................................................................13术语和定义.....................................................................................................................................24水污染源在线监测系统组成.........................................................................................................25建设要求.........................................................................................................................................36水污染源在线监测仪器安装要求.................................................................................................67调试要求.........................................................................................................................................78试运行要求.....................................................................................................................................9附录A（规范性附录）TOC与CODCr转换系数的确定方法.....................................................11附录B（资料性附录）监测站房布局图.......................................................................................14附录C（资料性附录）水污染源在线监测系统统计表...............................................................15附录D（资料性附录）标准计量堰（槽）安装规范...........................
