GB/T 25499-2010 PDF EnglishUS$130.00 · In stock · Download in 9 seconds
GB/T 25499-2010: The reuse of urban recycling water - Water quality standard for green space irrigation Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 25499-2010: The reuse of urban recycling water - Water quality standard for green space irrigation---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT25499-2010 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.060 P 40 The reuse of urban recycling water – Water quality standard for green space irrigation Issued on: DECEMBER 1, 2010 Implemented on: SEPTEMBER 1, 2011 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration Committee. 3. No action is required - Full-copy of this standard will be automatically & immediately delivered to your EMAIL address in 0~60 minutes. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and definitions ... 7 4 Water quality requirements ... 7 5 Other provisions ... 9 6 Sampling and monitoring ... 9 Bibliography ... 13ForewordThis Standard is one of series of standards of “the reuse of urban recycling water”. This Standard was proposed by Ministry of Housing and Urban-Rural Development of the People's Republic of China. This Standard shall be under the jurisdiction of Ministry of Housing and Urban-Rural Development Water Supply and Drainage Products Standardization Technical Committee. Main drafting organizations of this Standard. Beijing Forestry University, China Institute of Standardization, Beijing Lakers Irrigation Equipment Co., Ltd., Beijing Urban Drainage Group Co., Ltd. Main drafters of this Standard. Chang Zhihui, Li Aixian, Han Liebao, Bai Xue, Su Derong, Zhou Jun, Yin Shuxia, Jin Minghong, Feng Daming, Wang Changjun, Lv Lu. The reuse of urban recycling water – Water quality standard for green space irrigation1 ScopeThis Standard specifies the water quality indicators and limits, sampling and monitoring for green space irrigation of reuse of urban recycling water. This Standard is applicable to the recycled water used for green space irrigation that takes the urban recycling water as water source.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 5750 (all parts), Standard examination methods for drinking water 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 7470, Water quality - Determination of lead - Spectrophotometric method with dithizone GB/T 7471, Water quality - Determination of cadmium - Spectrophotometric method with dithizone GB/T 7472, Water quality - Determination of zinc - Spectrophotometric method with dithizone GB/T 7473, Water quality - Determination of copper - 2,9-Dimethyl-1,10-phenanthroline spectrophotometric method 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 7476, Water quality - Determination of calcium - EDTA titrimetric method GB/T 7479, Water quality - Determination of ammonium - Nessler’s reagent colorimetric method GB/T 7481, Water quality - Determination of ammonium - Spectrophotometric method with salicylic acid GB/T 7483, Water quality - Determination of fluoride; Fluor reagent spectrophotometric method 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 7487, Water quality - Determination of cyanide - Part 2. Determination of cyanide GB/T 7488, Water quality - Determination of biochemical oxygen demand after 5 days (BOD5) - Dilution and seeding method GB/T 7494, Water quality - Determination of anionic surfactants - Methylene blue spectrophotometric method GB 7959, Sanitary Standard for the non-hazardous treatment of night soil GB/T 8538, Methods for examination of drinking natural mineral water 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 - Determination of free chlorine and total chlorine - Spectrophotometric method using N,N-diethyl-1,4 phenylenediamine 22 Benzene ≤2.5 NOTE Except item 1, the unit for other items shall be mg/L. a , where the concentration units for sodium, calcium, magnesium ion are expressed in mmol/L.5 Other provisions5.1 Before the irrigation of urban recycling water to green space, the basic control projects and selective control projects of the recycling water sources shall be fully tested. Carry out the irrigation test according to local climatic conditions, green plant species and soil conditions to confirm the selective control items and irrigation system. 5.2 Ancient trees must not be irrigated with the recycling water. Special flowers and newly introduced plants shall be carefully irrigated with the recycling water. 5.3 When using the recycling water to irrigate the green space, an emergency preparation plan shall be made. When an emergency occurs, stop using the recycling water immediately.6 Sampling and monitoring6.1 Sampling requirements 6.1.1 The sampling point of the water quality is located near the discharge port of the recycling water treatment facility to ensure that the nearest irrigation water quality comply with the provisions of this Standard. 6.1.2 The collection and storage of water sample shall be in line with GB/T 12998 and GB/T 12999. Conduct the sampling at least once every 2h. Take 24 mixed samples, calculated in daily average. When conditions permit, the sampling in proportion of recycling water and online monitoring shall be gradually realized. 6.2 Monitoring frequency When it uses the recycling water to irrigate the green space, the water quality monitoring frequency shall not be less than the following requirements. Basic control items. once a day for total residual chlorine, turbidity, olfactory, pH value; once every week for fecal coliforms; once every month for other items. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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