 |
| Chinese | English |
| 环境中的化学物质 | chemical in the environment The presence in the environment of any solid, liquid or gaseous material discharged from a process and that may pose substantial hazard to human health and the environment (由一个化学过程释放的任何固体、液体或者气体在环境中的存在，这些物质可能对人体健康和环境有害。) |
| 现有化学物质 | existing chemical Chemical products existing before 18-09-1981, chemicals traded or introduced in the EC defore 18.09.1981 concerning Chemikaliengesetz (在1981年9月18日之前就存在的化学品。) |