| Entity |
| Name | CONTAMINENT |
| Type | Independent |
| Definition |
Purpose: Entity Category: Principal Entity Nature: Dynamic Phase: 6 |
| Attribute |
| Name | Definition | Is PK | Is FK |
| contaminent id | Yes | No | |
| bio organism id | No | Yes | |
| chemical id | No | Yes | |
| contaminent type | No | Yes | |
| radiation id | No | Yes | |
| waste id | No | Yes |