GB/T 39434-2020 Technical requirement for ozone treatment recirculating cooling water for central air conditioning

GB/T 29044-2012 Water quality for heating and air conditioning systems GBZ 2.1 GBZ/T 300.48 GB 3095-1996 Ambient air quality standard 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 5750.11-2006 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 6908-2005 Analysis of water used in boil and cooling system—The determination of electrical conductivity for water GB/T 6908-2008 Analysis of water used in boil and cooling system—Determination of electrical conductivity GB/T 6908-2018 Analysis of water used in boiler and cooling system—Determination of electrical conductivity 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 14643.1-1993 Industrial circulating cooling water—Examination of bacteria formed deposits—Standard of plate count GB/T 14643.1-2009 Examination of bacteria and algae in industrial circulating cooling water—Part 1:Examination of bacteria formed deposits—Standard of plate count GB/T 15451-1995 Industrial circulating cooling water—Determination of alkalinity GB/T 15451-2006 Industrial circulating cooling water—Determination of total and composite alkalinity GB/T 15893.1-1995 Industrial circulating cooling water—Determination of turbidity—Diffused radiation method GB/T 15893.1-2014 Industrial circulating cooling water—Determination of turbidity—Diffused radiation method GB/T 31962-2015 Wastewater quality standards for discharge to municipal sewers GB/T 32107-2015 Code for recirculating cooling water treatment by ozone WS 394-2012 Hygienic specification of central air conditioning ventilation system in public buildings HG/T 2160-2008 Cooling Water Dynamic Simulation Test Method HG/T 4207-2011 Industrial circulating cooling water heterotrophic bacteria count determination using Petri dish counting method HJ 504-2009 HJ 504-2009 Environmental air determination of ozone: Indigo disodium sulfosate spectrophotometric method HJ 535-2009 Water quality determination of ammonia nitrogen using Nessler's reagent spectrophotometry HJ776-2015 Water quality determination of 32 elements using inductively coupled plasma atomic emission spectroscopy HJ 828-2017 Water quality: Determination of Chemical Oxygen Demand using Dichromate Method HG/T 2160-1991 HG/T 2160-1991 Cooling Water Dynamic Simulation Test Method GB 3095-2012 Ambient air quality standard HJ 84-2016 Water Quality-Determination of Inorganic Anions（F-、Cl-、NO2-、Br-、NO3-、PO43-、SO32-、SO42-）-Ion Chromatography HG/T 2160-2024 HG/T 2160-2024 Cooling Water Dynamic Simulation Test Method GB/T 50050-2017 Code for design of industrial recirculating cooling water treatment