水质 对鲑鱼的长期毒性的测定

[中文适用范围]： 本国际标准描述了测定下列物质对大型溞（枝角类、甲壳类）长期亚致死毒性的方法： a) 在试验条件下可溶解的化学物质，或可保持稳定的悬浮液或分散体的化学物质在试验条件下， b) 经过倾析、过滤或离心后处理或未经处理的工业或污水流出物， c) 地表水或地下水。 注：本国际标准改编自 OECD 指南 211。 [外文原描述]： This International Standard describes a method for the determination of the long term sublethal toxicity to Daphnia magna Straus (Cladocera, Crustacea) of: a) chemical substances, which are soluble under the conditions of the test, or can be maintained as stable suspensions or dispersions under the conditions of the test, b) industrial or sewage effluents, treated or untreated, after decanting, filtration, or centrifugation, c) surface or ground waters. NOTE This International Standard is adapted from OECD Guideline 211[1].