Home / Standards / GB/T 28230-2011 GB/T 28230-2011 Active Enumeration of coliforms in ballast water of entry-exit ships by membrane filtration 膜过滤法测定入出境船舶压舱水中大肠菌群 Standard Type GBT ICS 07.100.20 CCS C51 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 市场监管总局 Drafting Unit 市场监管总局