GB/T 18920-2020 Translated English of Chinese Standard. (GBT 18920-2020, GB/T18920-2020, GBT18920-2020): The reuse of urban recycling water - Water quality standard for urban miscellaneous usehttps://www.chinesestandard.net, 16 oct. 2020 - 11 pages This Standard specifies the terms and definitions, water quality indicators, sampling and monitoring, safe use of water for urban miscellaneous use in the reuse of urban recycling water. This Standard applies to reclaimed water for miscellaneous use, such as toilet flushing, vehicle washing, urban landscaping, street sweeping, fire protection, construction site and concrete production. |
Table des matières
| 3 | |
Scope | 5 |
Terms and definitions | 6 |
Water quality indicators | 7 |
Sampling and monitoring | 8 |
Safe use | 10 |
Expressions et termes fréquents
1.0 factory exit 13 Escherichia Ammonia Analysis method atomic absorption spectrophotometry Barium basic control items Biochemical oxygen demand chlorine see Table Chroma CJ/T Clause colorimetry concrete production control items Item day Once days BOD5 Determination method Implemented Determination of biochemical Determination of dissolved Dilution and seeding dissolved oxygen drinking water Electrochemical probe method end of pipeline Escherichia coli fire protection implemented according ion chromatography Item Determination method items and limits items Item Determination Manganese method Electrochemical probe method GB/T method Implemented standard method-Formazin methods for drinking nitrate volumetric method Once a day Once a week parameters GB/T Phenanthroline provisions of GB/T reclaimed water plant reuse of urban Sampling and testing seeding method HJ selective control items Standard examination methods street sweeping Sulfate terms and definitions testing frequency toilet flushing Total chlorine Total dissolved solids Turbidity urban landscaping urban miscellaneous urban recycling water vehicle washing water for urban water quality indicators water source