EN ISO 9308-1:2014 水質(zhì).大腸桿菌的檢測與計數(shù).第1部分:低細菌背景植物水檢測用膜濾法(ISO 9308-1:2014)
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (Incorporates Amendment A1: 2017)