Safety Data Sheets - copies:

Safety Data Sheets - copies:
This information sheet provides guidance regarding the requirements for chemical registers, manifests and safety data sheets (SDSs) in Australian school science areas.
GHS Hazard category ratings: Can some one please explain the rating on the chemicals in the SDS please?
Storage of copper powder: Could you please advice me how and where to keep this copper powder (Chem Supply) as in the SDS it has been marked as a DG 4.1 PGII?
Oxidising Chemicals: While updating Safety Data Sheets (SDSs), I found some confusing changes in the listing of some nitrates.