| National Standards on Environmental Protection |
| Water quality-Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry (HJ 665-2013) |
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 the determination method of ammonium nitrogen in water. |
| The standard specifies continuous flow analysis (CFA) and salicylic acid spectrophotometry to determine NH3 in water. |
| This is the first issuance of the standard. |
| Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry (HJ 666-2013) |
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 the determination method of ammonium nitrogen in water. |
| The standard specifies continuous flow injection analysis (FIA) and salicylic acid spectrophotometry to determine NH3 in water. |
| This is the first issuance of the standard. |
| Water quality-Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometry (HJ 667-2013) |
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 the determination method of total nitrogen in water. |
| The standard provides continuous flow analysis (CFA) and N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometry to determine total nitrogen in water. |
| This is the first issuance of the standard. |
| Water quality-Determination of total nitrogen by flow injection analysis£¨FIA£©and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry (HJ 668-2013) |
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 the determination method of total nitrogen in water. |
| The standard provides flow injection analysis (FIA) and N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometry to determine total nitrogen in water. |
| This is the first issuance of the standard. |
| Water quality-Determination of phosphate-Ion chromatography (HJ 669-2013) |
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 the determination method of soluble phosphate in water. |
| The standard specifies ion chromatography to determine soluble phosphate in surface water, groundwater and rainfall. |
| This is the first issuance of the standard. |
| Water quality-Determination of orthophosphate and total phosphorus-Continuous flow analysis (CFA) and Ammonium molybdate spectrophotometry (HJ 670-2013) |
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 the determination methods of orthophosphate and total phosphorus in water. |
| The standard provides continuous flow analysis (CFA) and ammonium molybdate spectrophotometry to determine orthophosphate and total phosphorus in water. |
| This is the first issuance of the standard. |
| Water quality-Determination of total phosphorus-Flow injection Analysis (FIA) and Ammonium molybdate spectrophotometry (HJ 671-2013) |
The standard was People¡¯s formulated for the purpose of implementing Environmental Protection Law of the Republic of China and Law on Prevention and Control of Water Pollution, protecting the environment, safeguarding human health and regulating the determination method of total phosphorus in water. |
| The standard specifies flow injection analysis (FIA) and ammonium molybdate spectrophotometry to determine total phosphorus in water. |
| This is the first issuance of the standard. |
| Electromagnetic environmental monitoring method for AC electric power transmission and distribution project (on trial) (HJ 681-2013) |
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 electromagnetic environmental monitoring for AC electric power transmission and distribution. |
| The standard provides technical requirements on the content and methods of electromagnetic environmental monitoring for AC electric power transmission and distribution. |
| This is the first issuance of the standard. |
| Technical Guidelines for Environmental Protection in Coal mining and Processing Projects for Check and Accept Completed Project (HJ 672-2013) |
The standard was formulated for the purpose of implementing Environmental Protection Law of the People¡¯s Republic of China, Law of the People¡¯s Republic of China on Environmental Impact Assessment and Regulations on Environmental Management of Construction Projects, regulating and guiding environmental acceptance check of finished construction projects on coal mining and processing and promoting the sustainable development of coal industry. |
| The standard provides the general principle, content, methods and requirements of environmental check and acceptance of finished construction projects on coal mining and processing. |
| This is the first issuance of the standard. |
