Testing of chemical water treatment agents/water and water related products for drinking water

The hygiene standards for drinking water are legal regulations on the various factors (physical, chemical, and biological) related to drinking water and human health, starting from protecting the physical health of the population and ensuring the quality of human life. They are also legal hygiene standards that are approved by relevant national departments and published in a certain form to achieve the prescribed values. At the end of 2006, the Ministry of Health, together with relevant departments, completed the revision of the 1985 version of the "Sanitary Standards for Drinking Water" and officially issued the new version of the "Sanitary Standards for Drinking Water" (GB5749-2006), which was fully implemented from July 1, 2007. On March 15, 2022, the National Health Commission issued the "Hygienic Standards for Drinking Water" (GB 5749-2022), and the new national standard was officially implemented on April 1, 2023. The hygiene standards for drinking water can include two main parts: the statutory limit of quantity, which refers to the statutory limit of quantity to ensure that various harmful factors in drinking water do not affect the health and quality of life of the population; The legal code of conduct refers to the legal code of conduct for all aspects of production in centralized water supply units to ensure that all indicators of drinking water meet the legal and quantitative limits. In September 2022, the General Office of the Ministry of Housing and Urban Rural Development, the General Office of the National Development and Reform Commission, and the Comprehensive Department of the National Bureau of Disease Control and Prevention issued the "Notice on Strengthening the Safety and Security of Urban Water Supply" (hereinafter referred to as the "Notice"), which stated that starting from April 1, 2023, urban water supply will fully comply with the "Sanitary Standards for Drinking Water" (GB 5749-2022). This standard specifies the hygiene requirements for domestic drinking water quality, the hygiene requirements for domestic drinking water source water quality, the hygiene requirements for centralized water supply units, the hygiene requirements for secondary water supply, the hygiene requirements for products related to the hygiene and safety of domestic drinking water, water quality monitoring, and water quality inspection methods. This standard is applicable to various types of centralized water supply for domestic drinking water in urban and rural areas, as well as decentralized water supply for domestic drinking water