环保国标

Water quality—Determination of perfluorooctanesulfonic acid, perfluorooctanoic acid and their salts—Isotope dilution liquid chromatography-triple quadrupole mass spectrometry 标准号：H…

Soil and sediment—Determination of perfluorooctanesulfonic acid, perfluorooctanoic acid and their salts—Isotope dilution liquid chromatography-triple quadrupole mass spectrometry 标…

Technical specifications for continuous automated monitoring of inorganic elements in ambient air particulate matter (PM2.5) 标准号：HJ 1329—2023 2024-07-01 实施 2024-07-01 实施 　　为贯彻《中华人民…

Stationary source emission—Determination of ammonia and hydrogen chloride—Portable Fourier transform infrared spectroscopy method 标准号：HJ 1330—2023 2024-07-01 实施 2024-07-01 实施 　　为贯彻…

Stationary source emission—Determination of total hydrocarbons, methane and nonmethane hydrocarbons—Portable catalytic oxidation-hydrogen flame ionization detector method 标准号：HJ 13…

Stationary source emission―Determination of total hydrocarbons, methane and nonmethane hydrocarbons―Portable gas chromatography-hydrogen flame ionization detector method 标准号：HJ 133…

Technical requirements for the quality evaluation of regional ambient air ozone automatic monitoring 标准号：HJ 1318—2023 2024-06-01 实施 2024-06-01 实施 　　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…

Technical specifications for the ozone transfer standards calibration of ambient air monitoring 标准号：HJ 1319—2023 2024-06-01 实施 2024-06-01 实施 　　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》，防治生…

Technical guidelines for ground-based observation and validation of ecological remote sensing 标准号：HJ 1320—2023 2024-06-01 实施 2024-06-01 实施 　　为贯彻《中华人民共和国环境保护法》，规范陆地生态遥感地面观测与验证的基本参数和…

Technical specifications for continuous automated monitoring of organic carbon and elemental carbon in ambient air particulate matter (PM2.5) 标准号：HJ 1327—2023 2024-07-01 实施 2024-07…