The German occupational exposure limit for fumes and aerosols emitted from hot bitumen is a technical guidance value, which reflects technical feasibility and is not primarily based on toxicological findings.

• 德国对于沥青烟气和悬浮颗粒的限值只是一种技术性指导数据,反映了技术上的可行性,而主要不是依据毒理学方面的研究得出的。