GB/T 18921-2019 Active National standards

GB/T 18921-2019 The reuse of urban recycling water—Water quality standard for scenic environment use

GB/T 18921-2019 The reuse of urban recycling water—Water quality standard for scenic environment use

Publish Date: 2019-06-04 Implement Date: 2020-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 18921-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Water supply and drainage projects

ICS Name: \nWater quality

Publish Date: 2019-06-04

Implement Date: 2020-05-01

Pages: 7 pages

Scope

This standard specifies the water quality indicators, utilization requirements, safety requirements, and sampling and monitoring for urban wastewater reuse in landscape environments.
This standard applies to recycled water used in landscape environments.

Development Information

Word Count: 12 Thousand words Pages: 7 pages

Replace the following standards

GB/T 18921-2002 The reuse of urban recycling water—Water quality standard for scenic environment use

Referenced Standards

GB 18918 GB/T 25499-2010 The reuse of urban recycling water—Water quality standard for green space irrigation GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method GB/T 11893-1989 Water quality—Determination of total phosphorus— Ammonium molybdate spectrophotometric method GB/T 11903-1989 Water quality—Determination of colority GB/T 13200-1991 Water quality—Determination of turbidity HJ 347.1-2018 Water quality - Determination of Escherichia coli in feces - Filter method HJ 347.2-2018 Water quality: Determination of fecal coliform group using multiple-tube fermentation method HJ 493-2009 Water quality: Sample preservation and management technical regulations HJ 505-2009 Water quality: Determination of Biochemical Oxygen Demand (BOD5) by Dilution and Inoculation Method HJ 535-2009 Water quality determination of ammonia nitrogen using Nessler's reagent spectrophotometry HJ 537-2009 Determination of Ammonia Nitrogen in Water - Distillation-Neutralization Titration MethodHJ 537-2009 Water Quality HJ 586-2010 Water quality determination of free and total chlorine using N,N-diethyl-1,4-phenylene diamine spectrophotometry HJ 636-2012 Water quality determination of total nitrogen by alkaline potassium persulfate digestion and UV spectrophotometry HJ/T 347-2007 Water quality-Determination of fecal coliform-manifold zymotechnics and filter membrane

Related Standards

GB/T 6816-1986 Abolished

GB/T 6816-1986 Water quality—Vocabulary—Part 1 and part 2

Publish Date: 1986-10-10

GB/T 6920-1986 Active

GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method

Publish Date: 1986-10-10

GB/T 7466-1987 Active

GB/T 7466-1987 Water quality—Determination of total chromium

Publish Date: 1987-03-14

GB/T 7467-1987 Active

GB/T 7467-1987 Water quality—Determination of chromium (Ⅵ)—1,5 Diphenylcarbohydrazide spectrophotometric method

Publish Date: 1987-03-14

GB/T 7468-1987 Abolished

GB/T 7468-1987 Water quality—Determination of total mercury—Cold atomic absorption spectropho to metry

Publish Date: 1987-03-14

GB/T 7469-1987 Active

GB/T 7469-1987 Water quality—Determination of total mercury—Potassium permanganate-potassium persalfate decomposed method—Dithizone spectrophotometric method

Publish Date: 1987-03-14