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 Beijing Zhonghuan environmental quality monitoring center professional third party environmental monitoring and testing agency
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Drinking water testing
On July 1, 2007, the National Standards Commission and the Ministry of Health jointly issued the mandatory national standards for drinking water quality (GB 5749-2006) and 13 national standards for sanitary inspection of drinking water. On October 1, 2009, drinking natural mineral water (GB 8537-2008) was officially implemented. This is the first time in 21 years that the national standard for drinking water was revised in 1985.

The water quality indicators of the new standard water quality testing service items increased from 35 to 106
The microbial indexes increased from 2 to 6, including Escherichia coli, thermophilic coliform, Giardia and Cryptosporidium, and the total coliform was revised;
The items of disinfectants for drinking water increased from 1 item to 4 items, and monochloramine, ozone and chlorine dioxide were added;
Among the toxicological indexes, inorganic compounds increased from 10 to 21, including bromate, chlorite, chlorate, antimony, barium, beryllium, boron, molybdenum, nickel, thallium
Cyanogen chloride, arsenic, cadmium, lead and nitrate were revised;

Among the toxicological indexes, organic compounds increased from 5 to 53
Addition: formaldehyde, trihalomethane, dichloromethane, 1,2-dichloroethane, 1,1,1-trichloroethane, tribromomethane, dichlorodibromomethane, monochloromethane, epichlorohydrin, vinyl chloride, 1,1-dichloroethylene, 1,1-dichloroethane, 2-dichloroethylene, trichloroethylene, tetrachloroethylene, hexachlorobutadiene, dichloroacetic acid, trichloroacetic acid, Trichloroacetaldehyde, benzene, toluene, xylene, ethylbenzene, styrene, 2,4,6-trichlorophenol, chlorobenzene, 1,2-dichlorobenzene, 1,2-dichlorobenzene, 2,4,6-trichlorophenol, chlorobenzene, 1,2-dichlorobenzene, 1,2-dichlorobenzene, 1,4,6-trichlorophenol, chlorobenzene, 1, 4-dichlorobenzene, Trichlorobenzene, di (2-ethylhexyl) phthalate, acrylamide, microcystin LR, Bentazon, chlorothalonil, deltamethrin, dimethoate, 2,4-drops, heptachlor, hexachlorobenzene, lindane, malathion, parathion, methyl parathion, pentachlorophenol, atrazine, Furadan, chlorpyrifos, dichlorvos, glyphosate; carbon tetrachloride was revised;

Sensory properties and general physical and chemical indexes increased from 15 to 20,
Added: oxygen consumption, ammonia nitrogen, sulfide, sodium, aluminum; revised turbidity;
Beijing Central Environmental Quality Monitoring Center
Free telephone: 4008861860
Laboratory Tel: 010-56546165 010-56546168
Fax: 010-56546167
Address: Building 2, zhongfuli palace brand base, Fengtai District, Beijing

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