| National Standards on Environmental Protection |
| Ambient air and stationary source emissions ¡ª Determination of gas and particle-phase polycyclic aromatic hydrocarbons with gas chromatography/mass spectrometry (HJ 646-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China and Air Pollution Prevention and Control Law, protecting the environment, safeguarding human health and regulating the determination methods of polycyclic aromatic hydrocarbons in ambient air and stationary source emissions. |
| The standard provides the determination of 16 kinds of polycyclic aromatic hydrocarbons in ambient air and stationary source emissions with gas chromatography/mass spectrometry. |
| This is the first issuance of the standard. |
| Ambient air and stationary source emissions ¡ª Determination of gas and particle-phase polycyclic aromatic hydrocarbons ¡ª High performance liquid chromatography (HJ 647-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China and Air Pollution Prevention and Control Law, protecting the environment, safeguarding human health and regulating the determination methods of polycyclic aromatic hydrocarbons in ambient air and stationary source emissions. |
| The standard provides the determination of 16 kinds of polycyclic aromatic hydrocarbons in ambient air and stationary source emissions with high performance liquid chromatography. |
| This is the first issuance of the standard. |
| Water quality--Determination of nitroaromatics by gas chromatography (HJ 648-2013 replacing GB13194-91) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China and Law on Prevention and Control of Water Pollution, protecting the environment, safeguarding human health and regulating the determination methods of nitroaromatics in water. |
| The standard provides gas chromatography to determine nitroaromatics in surface water, groundwater, industrial wastewater, domestic sewage and seawater. |
| This is a revised version on Water quality-Determination of nitrobenzenc, mononitrotoluene (MNT), nitrochlorobenzenc and dinitrotolnene (ONT)-Gas chromatography (GB13194-91). |
| Water quality-Determination of nitrobenzenc, mononitrotoluene (MNT), nitrochlorobenzenc and dinitrotolnene (ONT)-Gas chromatography (GB13194-91) will be abolished upon when the standard is put into practice. |
| Soil ¡ª Determination of exchangeable acidity by potassium chloride extraction ¡ªTitration method (HJ 649-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China, safeguarding human health and regulating the monitoring methods of exchangeable acidity in soil. |
| The standard provides potassium chloride extraction titration method to determine the exchangeable acidity of soil. |
| The standard applies to the determination of exchangeable acidity of soil. |
| This is the first issuance of the standard. |
| Soil and sediment Determination of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) Isotope dilution HRGC-LRMS (HJ 650-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China and Law on Prevention and Control of Water Pollution, protecting the environment, safeguarding human health and regulating soil and sediment determination of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) Isotope dilution HRGC-LRMS. |
| The standard provides soil and sediment determination of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) Isotope dilution HRGC-LRMS. |
| This is the first issuance of the standard. |
| Ambient air and stationary source emission - Determination of metals in ambient particulate matter ¨C Inductively coupled plasma/mass spectrometry (ICP-MS) (HJ 657-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China and Air Pollution Prevention and Control Law, protecting the environment, safeguarding human health and regulating the determination of metals in ambient air and ambient particulate matter. |
| The standard provides inductively coupled plasma/mass spectrometry that determines lead and other metals in ambient air, fugitive emissions and particulate matter of stationary source emissions. |
| This is the first issuance of the standard. |
| Soil - Determination of organic carbon ¨C Combustion oxidation- titration method (HJ 658-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China, protecting the environment, safeguarding human health and regulating the determination of organic carbon in soil. |
| The standard provides determination of organic carbon ¨C combustion oxidation- titration method. |
| This is the first issuance of the standard. |
| The following standard will be abolished upon when the above standards are put into effect. |
| Water quality-Determination of nitrobenzenc, mononitrotoluene (MNT), nitrochlorobenzenc and dinitrotolnene (ONT)-Gas chromatography (GB13194-91). |
