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GB 5084-2021 English PDF

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GB 5084-2021: Standard for irrigation water quality
Status: Valid

GB 5084: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB 5084-2021English249 Add to Cart 3 days [Need to translate] Standard for irrigation water quality Valid GB 5084-2021
GB 5084-2005English319 Add to Cart 3 days [Need to translate] Standards for irrigation water quality Obsolete GB 5084-2005
GB 5084-1992English239 Add to Cart 2 days [Need to translate] Standards for irrigation water quality Obsolete GB 5084-1992

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Basic data

Standard ID GB 5084-2021 (GB5084-2021)
Description (Translated English) Standard for irrigation water quality
Sector / Industry National Standard
Classification of Chinese Standard Z51
Word Count Estimation 13,157
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB 5084-2021: Standard for irrigation water quality

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Irrigation water quality standards for farmland) National Standards of People's Republic of China Replace GB 5084-2005, GB 22573-2008, GB 22574-2008 Irrigation water quality standards for farmland Standard for irrigation water quality This electronic version is the official standard text, reviewed and typeset by the Environmental Standards Institute of the Ministry of Ecology and Environment. Released on 2021-01-20 2021-07-01 implementation Ministry of Ecology and Environment State Administration for Market Regulation release ISC 13.060.01 Z 51

Table of contents

Foreword...ii 1 Scope of application...1 2 Normative references...1 3 Terms and definitions...2 4 Farmland irrigation water quality requirements...3 5 Monitoring and analysis methods...5 6 Implementation and supervision...8

Foreword

To implement the Environmental Protection Law of the People’s Republic of China, the Soil Pollution Prevention Law of the People’s Republic of China, and the Water Pollution of the People’s Republic of China The Prevention and Control Law strengthens the supervision of irrigation water quality in farmland, guarantees the safety of cultivated land, groundwater and agricultural products, and formulates this standard. This standard specifies requirements for irrigation water quality, monitoring and supervision and management of farmland. This standard was first issued in 1985, and it was revised twice in.1992 and.2005.This is the third revision. This revision The main content of the order. 1.Modified the scope of standard application; 2.Updated the normative references; 3.Added terms and definitions for irrigation water for farmland, paddy crops and dryland crops; 4.Added 9 agricultural items including total nickel, chlorobenzene, 1,2-dichlorobenzene, 1,4-dichlorobenzene, nitrobenzene, toluene, xylene, cumene, aniline, etc. Field irrigation water quality selection control project limit; 5.Modified the monitoring requirements for irrigation water quality of farmland; 6.Increased the implementation and supervision of standards. Since the implementation of this standard, "Farmland Irrigation Water Quality Standard" (GB 5084-2005), "Chlorobenzene, 1,2-Dichlorobenzene, 1,4-Dichlorobenzene and Nitrobenzene Limits" (GB 22573-2008), "Toluene, Xylene, Cumene, Phenol and Aniline Limits in Irrigation Water" (GB 22574-2008) repealed. This standard is the basic requirement for irrigation water quality in farmland. Provincial people’s governments may formulate local farmland irrigation for items not specified in this standard. Irrigation water quality standards. For items that have been specified in this standard, local farmland irrigation water quality standards that are stricter than this standard can be formulated. Local farmland irrigation Water quality standards should be reported to the competent department of ecological environment under the State Council for the record. This standard was formulated by the Department of Soil Ecology and Environment and the Department of Regulations and Standards of the Ministry of Ecology and Environment. The main drafting organizations of this standard. Chinese Academy of Environmental Sciences, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Soil and Agricultural and Rural Ecological Environment Supervision Technology Center, Environmental Protection Research and Monitoring Institute of Ministry of Agriculture and Rural Affairs. This standard was approved by the Ministry of Ecology and Environment on January 9, 2021. This standard shall be implemented from July 1, 2021. This standard is interpreted by the Ministry of Ecology and Environment. Irrigation water quality standards for farmland

1 Scope of application

This standard specifies requirements for irrigation water quality, monitoring and analysis methods, and supervision and management requirements for farmland irrigation. This standard applies to water quality supervision and management that uses surface water and groundwater as irrigation water sources for farmland. Urban sewage (industrial wastewater and medical sewage (Except water) and unutilized livestock and poultry breeding wastewater, agricultural product processing wastewater and rural domestic sewage enter the farmland irrigation channel, and its downstream The water quality of the nearest irrigation point shall be supervised and managed in accordance with this standard.

2 Normative references

This standard quotes the following documents or their clauses. For dated reference documents, only the dated version applies to this standard. For undated references, the latest version (including all amendments) applies to this standard. GB 7467 Water quality-Determination of hexavalent chromium-Diphenylcarbazide spectrophotometric method GB 7475 Water Quality Determination of Copper, Zinc, Lead and Cadmium Atomic Absorption Spectrophotometry GB 7484 Water quality-Determination of fluoride ion selective electrode method GB 7494 Water quality Determination of anionic surfactants Methylene blue spectrophotometric method GB 11889 Water quality-Determination of aniline compounds N-(1-naphthyl)ethylenediamine azo spectrophotometric method GB 11896 Water Quality Determination of Chloride Silver Nitrate Titration Method GB 11901 Determination of suspended matter in water by gravimetric method GB 11912 Determination of Nickel in Water by Flame Atomic Absorption Spectrophotometry GB 13195 Determination of water quality and temperature by thermometer or reverse thermometer method GB 20922 Urban Sewage Recycling Water Quality for Farmland Irrigation Water GB/T 15505 Water Quality Determination of Selenium Graphite Furnace Atomic Absorption Spectrophotometry GB/T 16489 Water quality-Determination of sulfide by methylene blue spectrophotometric method HJ/T 49 Water quality-Determination of boron-curcumin spectrophotometric method HJ/T 50 Water quality-Determination of chloral-Pyrazolinone spectrophotometric method HJ/T 51 Water quality determination of total salt content gravimetric method HJ/T 74 Water Quality Determination of Chlorobenzene Gas Chromatography HJ 84 Determination of water quality inorganic anions (F−, Cl−, NO2−, Br−, NO3−, PO43−, SO32−, SO42−) Sub-chromatography HJ/T.200 Water quality-Determination of sulfide gas-phase molecular absorption spectrometry HJ/T 343 Determination of Chloride in Water Quality Mercury Nitrate Titration (Trial) HJ 347.2 Water Quality Determination of Fecal Coliform Multi-tube Fermentation Method HJ/T 399 Water quality-Determination of chemical oxygen demand-Rapid digestion spectrophotometric method HJ 484 Water quality-Determination of cyanide volumetric method and spectrophotometric method HJ 485 Water quality-Determination of copper-Sodium diethyldithiocarbamate spectrophotometric method HJ 486 Water quality determination of copper 2,9-dimethyl-1,10 phenanthroline spectrophotometric method HJ 487 Water quality-Determination of fluoride-Zirconium alizarin sulfonate visual colorimetric method HJ 488 Water quality-Determination of fluoride-Fluorine reagent spectrophotometric method HJ 503 Water quality-Determination of volatile phenols 4-aminoantipyrine spectrophotometric method HJ 505 Water Quality Determination of Five-day Biochemical Oxygen Demand (BOD5) Dilution and Inoculation Method HJ 592 Water quality Determination of nitrobenzene compounds by gas chromatography HJ 597 Water quality-Determination of total mercury-Cold atomic absorption spectrophotometry HJ 621 Water quality Determination of chlorobenzene compounds by gas chromatography HJ 637 Water quality Determination of petroleum, animal and vegetable oils. Infrared spectrophotometric method HJ 639 Water Quality Determination of Volatile Organic Compounds Purge and Trap/Gas Chromatography-Mass Spectrometry HJ 648 Determination of water quality of nitrobenzene compounds Liquid-liquid extraction/solid phase extraction-gas chromatography HJ 686 Water Quality Determination of Volatile Organic Compounds Purge and Trap/Gas Chromatography HJ 694 Water quality. Determination of mercury, arsenic, selenium, bismuth and antimony. Atomic fluorescence method HJ 700 water quality determination of 65 elements inductively coupled plasma mass spectrometry HJ 716 Water Quality Determination of Nitrobenzene Compounds Gas Chromatography-Mass Spectrometry HJ 775 Water quality Determination of Ascaris eggs by sedimentation egg collection method HJ 776 Water quality determination of 32 elements inductively coupled plasma emission spectrometry HJ 806 Determination of water quality of acrylonitrile and acrolein Purge and trap/gas chromatography HJ 810 Water Quality Determination of Volatile Organic Compounds Headspace/Gas Chromatography-Mass Spectrometry HJ 811 Water quality-Determination of total selenium 3,3'-diaminobenzidine spectrophotometric method HJ 822 Water Quality Determination of Aniline Compounds Gas Chromatography-Mass Spectrometry HJ 823 Water quality-Determination of cyanide flow injection-spectrophotometry HJ 824 Water quality-Determination of sulfide by flow injection-methylene blue spectrophotometry HJ 825 Water quality. Determination of volatile phenols. Flow injection 4-aminoantipyrine spectrophotometric method HJ 826 Water quality. Determination of anionic surfactants. Flow injection-methylene blue spectrophotometry HJ 828 Determination of Chemical Oxygen Demand of Water Quality Dichromate Method HJ 908 Water quality-Determination of hexavalent chromium-Flow injection-diphenylcarbazide photometric method HJ 970 Determination of Water Quality and Petroleum by Ultraviolet Spectrophotometry (Trial) HJ 1048 Water Quality Determination of 17 Aniline Compounds Liquid Chromatography-Triple Quadrupole Mass Spectrometry HJ 1067 Water quality Determination of benzene series Headspace/gas chromatography HJ 1147 Electrode method for measuring pH value of water quality NY/T 396 Technical Specification for Environmental Quality Monitoring of Agricultural Water Sources

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 Farmland irrigation water In order to meet the growing needs of crops, water is supplied to the farmland directly or through channels or pipelines through artificial transportation. 3.2 Paddy field crops Crops suitable for growing in flooded paddy fields, such as rice. 3.3 Dry land crops Suitable for crops grown in dry land, irrigated land and other non-flooded environments, such as wheat, corn, cotton, etc.

4 Farmland irrigation water quality requirements

4.1 Farmland irrigation water quality control projects are divided into basic control projects and selective control projects. 4.1.1 The basic control items are mandatory items and should meet the requirements of Table 1. 4.1.2 The selection of control items shall be determined by the local ecological and environmental authorities, together with the agricultural and rural, and water conservancy authorities, according to the type and The selection and implementation of the requirements for crop types shall meet the requirements of Table 2. Table 1 Limits of basic control items for irrigation water quality in farmland 4.2 The reclaimed water of urban sewage treatment plants is used for farmland irrigation, and the regulations of GB 20922 shall be implemented. 4.3 Discharge urban sewage, unutilized livestock and poultry breeding wastewater, agricultural product processing wastewater, and rural domestic sewage into farm irrigation channels, It shall be ensured that the water quality of the nearest irrigation water intake point downstream meets the requirements of this standard.

5 Monitoring and analysis methods

5.1 Monitoring The monitoring points and sampling methods of the basic control items of farmland irrigation water quality and the selection control items shall meet the requirements of NY/T 396. After the release and implementation of the technical specifications for field irrigation water quality monitoring, follow its regulations. 5.2 Analysis method The analysis method of the control items of this standard shall be implemented according to Table 3.The monitoring standards issued by the country after the implementation of this standard, if the applicability meets the requirements, The same applies to the determination of the corresponding control items in this standard. Table 3 Analysis methods of farmland irrigation water quality control items

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