Following precautions shall be taken while carrying concentrates -

1. Master should allow to load concentrates ONLY when he is provided with Shipper's declaration stating that the Moisture content of the cargo is as per the TML
2. Wet cargoes shall not be loaded at any cost
3. Cargo to be trimmed reasonably well to prevent oxidation and reduce shifting
4. Some concentrates such as sulphides are needed to be sprayed with water in order to prevent oxidation and spontaneous combustion. Care shall be taken so that moisture content is not increased resulting in development of flow state
5. Shipper needs to provide a certificate to the Master stating the TML, MC and FMP of the cargo
6. In case the cargo is exposed to precipitation than test samples must be taken just prior loading and decision shall be made accordingly to load or not