GB 20922-2007
The reuse of urban recycling water.Quality of farmland irrigation water (English Version)
- Standard No.
- GB 20922-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB 20922-2007
- Scope
- This standard specifies the normative reference documents, terms and definitions, water quality requirements, other regulations, and monitoring and analysis methods for urban sewage recycling to irrigate farmland. This standard applies to the water for farmland irrigation that uses the effluent of urban sewage treatment plants as the water source.
GB 20922-2007 Referenced Document
- GB/T 11890 Water quality--Determination of benzene and its analogies--Gas chromatographic method
- GB/T 11896 Water quality--Determination of chloride--Silver nitrate titration method
- GB/T 11898 Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine
- GB/T 11901 Water quality--Determination of suspended substance--Gravimetric method
- GB/T 11902 Water quality--Determinaton of selenium--Diaminonaphthalene fluorometric method
- GB/T 11906 Water quality--Determination of manganese--Potassium periodate spectrophotometric method
- GB/T 11910 Water quality--Determination of nickel--Dimethylglyoxime spectrophotometric method
- GB/T 11911 Water quality--Determination of iron and manganese--Flame atomic absorption spectrometric method
- GB/T 11912 Water quality--Determination of nickel--Flame atomic absorption spectrometric method
- GB/T 5750.4 Standard Examination Methods for Drinking Water Part 4: Sensory Properties and Physical Indexes*， 2023-03-17 Update
- GB/T 5750.6 Standard Examination Methods for Drinking Water Part 6: Metal and Metalloid Indicators*， 2023-03-17 Update
- GB/T 6920 Water quality--Determination of pH value--Glass electrode method
- GB/T 7467 Water quality--Determination of chromium(6)--1.5 Diphenylcarbahydrazide spectrophotometric method
- GB/T 7468 Water quality--Determination of total mercury--Cold atomic absorption spectrophotometry
- GB/T 7474 Water quality--Determination of copper--Sodium diethyldithiocarbamate spectrophotometric method
- GB/T 7475 Water quality--Determination of copper, zinc, lead and cadmium--Atomic absorption spectrometry
- GB/T 7484 Water quality--Determination of fluoride--Ion selective electrode method
- GB/T 7485 Water quality--Determination of total arsenic--Silver diethyldithiocarbamate spectrophotometric method
- GB/T 7486 Water quality--Determination of cyanide--Part 1:Determination of total cyanide
- GB/T 7488 Water quality--Determination of biochemical oxygen demand after 5 days(BOD5)--Dilution and seeding method
- GB/T 7489 Water quality--Determination of dissolved oxygen--Iodometric method
- GB/T 7490 Water quality--Determination of volatile phenolic compounds--After distillation by means of 4-AAP spectrophotometric method
- GB/T 7494 Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
- GB/T 8538 Test method for drinking natural mineral water*， 2009-04-01 Update
GB 20922-2007 history
- 2007 GB 20922-2007 The reuse of urban recycling water.Quality of farmland irrigation water