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["番禺区供水企业管网水水质情况"]
["(2021年02月)"]
["检测数据由广州市穗泉水质检测有限公司提供"]
["指标","浑浊度","菌落总数","总大肠菌群","游离余氯/总氯","pH","氯化物"]
[null,"NTU","CFU/mL","CFU/100mL或 MPN/100mL","mg/L","无量纲","mg/L"]
["限值","1 水源与净水技 术条件限制时为  3",100,"不得检出","管网末梢水中   余量≥0.05","不小于6.5且不大于8.5",250]
["广州市番禺水务股份有限公司\n第一水厂",0.27,5,0,0.86,7.3,36]
["广州市番禺水务股份有限公司\n第二水厂",0.31,"未检出",0,0.95,7.3,30]
["广州市番禺区东乡供水有限公司",{"v":0.3,"d":"0.30"},"未检出",0,{"v":1,"d":"1.00"},7.4,26]
["广州市番禺钟村自来水有限公司",0.36,"未检出",0,0.74,7.4,25]
["广州市番禺石碁自来水有限公司",0.22,"未检出",0,1.09,7.4,92]
["广州市番禺沙湾自来水有限公司",0.37,"未检出",0,{"v":0.8,"d":"0.80"},7.4,41]
["广州市番禺南村自来水有限公司",{"v":0.3,"d":"0.30"},"未检出",0,{"v":0.7,"d":"0.70"},7.4,20]
["广州市番禺化龙自来水有限公司",0.21,"未检出",0,0.67,7.4,26]
["广州市番禺新造自来水有限公司",0.34,"未检出",0,{"v":0.5,"d":"0.50"},7.5,68]
["广州市番禺大石自来水有限公司",0.28,"未检出",0,0.58,7.4,21]
["广州市莲泉供水有限公司\n(收费处)",0.18,"未检出",0,{"v":0.5,"d":"0.50"},7.4,20]
["注:1.执行标准是《生活饮用水卫生标准》（GB 5749-2006）；"]
["  2.各供水企业的水质数据为抽检平均值；"]
["  3.浑浊度是反映天然水及饮用水的物理性状的重要指标。单位采用NTU表示，是英文\n    Nephelometric Turbidity Units的缩写，为散射式浊度单位；"]
["  4.细菌学指标通常采用CFU/mL或CFU/100mL表示，为菌落总数单位。其中CFU是英文Colony-\n    forming Units的缩写，代表菌落形成单位。"]
["  5.pH是溶液中氢离子活度的一种标度，也就是通常意义上溶液酸碱度的衡量标准。通常pH是一个介于0和14之间的数，当pH<7的时候，溶液呈酸性，当pH>7的时候，溶液呈碱性，当pH=7的时候，溶液呈中性。"]