GB/T 18921-2019 Translated English of Chinese Standard. (GBT 18921-2019, GB/T18921-2019, GBT18921-2019): The reuse of urban recycling water - Water quality standard for scenic environment useThis Standard specifies water quality indicators, use requirements, safety requirements, sampling and monitoring for reuse of urban recycling water - scenic environment use. This Standard is applicable to recycling water for scenic environment use. |
Common terms and phrases
Aesthetic environment aesthetic wetland environment Alkaline potassium persulfate ammonia nitrogen Ammonium molybdate Beijing Biochemical Oxygen Demand body and scenic body of landscape Chroma composed of reclaimed contact with human demand BOD5 Edition Electrode Method GB/T environment use recycling Fecal coliform flowing water body fully or partly Glass Electrode Method greater than 25°C HJ/T hydraulic retention landscape environment landscape lake landscape river mg/L Monitoring analysis method Monitoring frequency Nessler reagent spectrophotometry nitrogen in N partly composed pH value potassium persulfate digestion Reagent Spectrophotometry HJ reclaimed water plant Reclaimed water quality Recreational environment recreational facilities NOTE referenced document residual chlorine reuse of urban scenic environment scenic impoundment scenic water body scenic wetland spectrophotometric method standard for scenic terms and definitions titration HJ total nitrogen total phosphorus tracking monitoring turbidity urban recycling water urban sewage water body temperature water for scenic water quality indicators Water quality standard water replenishment point Watercourse Impoundment Waterscape