For radiation measurement of foodstuff samples collected at boundary control points , wholesale and retail markets , as well as drinking water samples collected at reservoirs , inlets and outlets of water treatment works , water catchment areas and consumer taps . locations of the food water contamination monitoring systems 一共操作二十五台食物食水污染监测系统，分析在边境管制站各区批发市场及零售市场抽取的食物样本，及在本港各水塘滤水厂水源出入口集水区及用户水头抽取的食水样本。
The wsd has a comprehensive programme to monitor the quality of water . representative samples are taken from different parts of the water supply and distribution systems for physical , chemical , bacteriological , biological and radiological analyses . the quality of treated water conforms chemically , bacteriologically and radiologically to the guidelines for drinking water quality recommended by the world health organization 水务署巳有一套全面的水质监测系统，并会从供水系统中不同的地方抽取有代表性的水样本进行化学、细菌学、生物学及放射学方面的化验，确保水质在以上各方面都符合世界?生组织所建议的饮用水水质指引。
Representative samples are taken from different parts of the water supply and distribution systems for physical , chemical , bacteriological , biological and radiological analyses . the quality of treated water conforms chemically , bacteriologically and radiologically to the guidelines for drinking water quality recommended by the world health organization 水务署巳有一套全面的水质监测系统，并会从供水系统中不同的地方抽取有代表性的水样本进行化学细菌学生物学及放射学方面的化验，确保水质在以上各方面都符合世界生组织所建议的饮用水水质指引。
The appeal followed the detection of a bacterium , c violaceum , in the water samples collected in a pond at the campsite in tuen mun and in a water catchment near the campsite during site investigation by the chp on a human case of the disease in a 40 - year - old trainer who stayed at the campsite on may 21 and 22 ?生防护中心在调查一名40岁民安队教练于5月21至22日入住屯门一个营地后死亡的事件时，在民安队营地池塘及营地附近的引水道收集的水样本中发现一种名为紫色色杆菌的致病细菌，遂作出上述呼吁。
