Home / Standards / GB 18420.1-2009 GB 18420.1-2009 Active Biological toxicity for pollutants from marine petroleum exploration and exploitation - Part 1: Grading 海洋石油勘探开发污染物生物毒性 第1部分:分级 Standard Type GB ICS 13.030.20 CCS Z17 Status 现行 Issue Date 2009-03-11 Implementation 2009-11-01 Responsible Dept 自然资源部(海洋) Drafting Unit N/A