CJ/T 521-2018 Water quality standards for domestic hot water

GB 5749-1985 Sanitary standard for drinking water GB 5749-2006 Standards for drinking water quality GB 5749-2022 Standards for drinking water quality GB/T 5750-1985 Standard examination method for drinking water GB/T 5750.1-2006 Standard examination methods for drinking water—General principles GB/T 5750.1-2023 Standard examination methods for drinking water—Part 1:General principles GB/T 5750.2-2006 Standard examination methods for drinking water—Collection and preservation of water samples GB/T 5750.2-2023 Standard examination methods for drinking water—Part 2:Collection and preservation of water samples GB/T 5750.3-2006 Standard examination methods for drinking water—Water analysis quality control GB/T 5750.3-2023 Standard examination methods for drinking water—Part 3:Water analysis quality control GB/T 5750.4-2006 Standard examination methods for drinking water—Organoleptic and physical parameters GB/T 5750.4-2023 Standard examination methods for drinking water—Part 4:Organoleptic and physical indices GB/T 5750.5-2006 Standard examination methods for drinking water—Nonmetal parameters GB/T 5750.5-2023 Standard examination methods for drinking water—Part 5:Inorganic nonmetallic indices GB/T 5750.6-2006 Standard examination methods for drinking water— Metal parameters GB/T 5750.6-2023 Standard examination methods for drinking water—Part 6:Metal and metalloid indices GB/T 5750.7-2006 Standard examination methods for drinking water—Aggregate organic parameters GB/T 5750.7-2023 Standard examination methods for drinking water—Part 7:Aggregate organic indices GB/T 5750.8-2006 Standard examination methods for drinking water—Organic parameters GB/T 5750.8-2023 Standard examination methods for drinking water—Part 8:Organic indices GB/T 5750.9-2006 Standard examination methods for drinking water—Pesticides parameters GB/T 5750.9-2023 Standard examination methods for drinking water—Part 9:Pesticides indices GB/T 5750.10-2006 Standard examination methods for drinking water—Disinfection by-products parameters GB/T 5750.10-2023 Standard examination methods for drinking water—Part 10:Disinfection by-products indices GB/T 5750.11-2006 Standard examination methods for drinking water—Disinfectants parameters GB/T 5750.11-2023 Standard examination methods for drinking water—Part 11:Disinfectants indices GB/T 5750.12-2006 Standard examination methods for drinking water—Microbiological parameters GB/T 5750.12-2023 Standard examination methods for drinking water—Part 12:Microbiological indices GB/T 5750.13-2006 Standard examination methods for drinking water—Radiological parameters GB/T 5750.13-2023 Standard examination methods for drinking water—Part 13:Radiological indices GB/T 7476-1987 Water quality—Determination of calcium—EDTA titrimetric method GB/T 7489-1987 Water quality—Determination of dissolved oxygen—Iodometric method GB/T 14419-1993 Analysis of water used in boiler and cooling system—Determination of alkalinity GB/T 18204.5-2000 Methods of microbiological examination for towel and bedclothes in public places—Determination of coliform bacteria GB/T 18204.5-2013 Examination methods for public places—Part 5:Central air conditioning ventilation system GB/T 18204.5-2025 Examination methods for public places—Part 5:Central air conditioning and ventilation systems