Annex IV: Suggested substances for monitoring and declaration when using destruction technologies
| Substances | Units |
| PCDDs/PCDFs | ng-ITEQ*/Nm3** |
| HCl/Cl2 | mg/Nm3 |
| HF | mg/Nm3 |
| HBr/Br2 | mg/Nm3 |
| Particulates (TSP***) | mg/Nm3 |
| CO | mg/Nm3 |
* ITEQ – international toxic equivalency.
** Normal cubic metre.
*** TSP – total suspended particles.