中华人民共和国国家环境保护标准HJ442.3-2020代替HJ442-2008近岸海域环境监测技术规范第三部分近岸海域水质监测TechnicalspecificationforoffshoreenvironmentalmonitoringPart3offshoreseawaterqualitymonitoring（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。2020-12-16发布2021-03-01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近岸海域水质监测一般要求...................................................................................................14水质样品采集、保存和运输...................................................................................................25水质样品分析..........................................................................................................................106水质监测质量控制..................................................................................................................10附录A（资料性附录）水文气象项目观测方法.....................................................................14附录B（资料性附录）水质监测项目分析方法.....................................................................15附录C（规范性附录）连续流动比色法测定河口与近岸海域海水中氨............................22附录D（规范性附录）连续流动比色法测定河口与近岸海域海水中硝酸盐氮和亚硝酸盐氮....................................................................................................................................................26附录E（规范性附录）连续流动比色法测定河口与近岸海域海水中活性磷酸盐............30附录F（规范性附录）连续流动比色法测定河口与近岸海域海水中活性硅酸盐............33附录G（规范性附录）原子荧光法测定近岸海...
