Potassium iodide status and EUDs: Can you confirm whether potassium iodide is allowed in WA schools and can you explain what an EUD is?

Potassium iodide status and EUDs: Can you confirm whether potassium iodide is allowed in WA schools and can you explain what an EUD is?
Disposing of wire gauze mats with ceramic centres: I have some of these and have checked with the supplier in relation to the possiblity of containing Tremolite.
Using an air-rifle in schools to demonstrate velocity of a bullet: We are wondering what rules there are around using a BB pump rifle in schools to demonstrate velocity of a bullet.
3D printing is a relatively new technology and industry and is also one of the latest technologies to enter schools.
There are a wide range of chemicals used in solution form for various experimental activities and demonstrations in the school science curriculum.
Use of Science ASSIST resources: Do I need permission to use and/or adapt the resources on the Science ASSIST website?
Science technician allocation: Our technician hours have been reduced. Are there any documents stating how many hours science technicians should be allocated?
Recommendations for microscope replacement: Our school microscopes are old and in need of replacement, however I am interested in viewpoints as to whether traditional compound microscopes are still
When choosing a microscope consideration needs to be given to the application, skill level of staff and students and budget.
What are the requirements to keep radioactive sources?
Do we need to have them registered? And if so can you please point me in the right direction ie a website/forms……
Science ASSIST is sponsored by CSIRO Education.