These standards relate to the degree of faecal pollution measured as E.coli(bacteria that can indicate the presence of sewage) and were devised after a very thorough study of the health risk facing local bathers.

• 这套标准以大肠杆菌(可显示污水的存在)含量显示粪便带来的污染程度。环保署在制订标准前，已彻底研究危及泳客健康的因素。