Photocopier / printer stored outside chemical store room: Hi I have just come back off holidays to find a large photocopying machine placed opposite the door to my Chemical Store room—within a metr

Photocopier / printer stored outside chemical store room: Hi I have just come back off holidays to find a large photocopying machine placed opposite the door to my Chemical Store room—within a metr
Electrical standards for classroom laboratories:
Gallium Metal: Hi, I was wondering what your thoughts were on the use of gallium in schools (Years 7–12) for the purpose of demonstrating the melting point of metals and possibly other experiments.
Burning Magnesium Ribbon: Are students allowed to burn magnesium ribbon in a Bunsen burner flame using tongs as a class activity or should it just be a teacher demo?
Waste chemical disposal: We are in western Sydney and are looking for an economical way of disposing of both solution and solid chemical waste and surplus chemicals .
Chemical Cell: Acidified Potassium Dichromate
Chemical Storage Timeframes: I was wondering if there are any guidelines that
Aluminium powder: I have just purchased some Aluminium powder and the MSDS from the supplier ( Chem supply ) states Non Hazardous and Non dangerous goods.
laser classification: We have not been using our old laser because it was a Class 3B, and therefore banned in secondary schools under the older code of practice.