Hi Quality- Bulla, page-43

"The current yield available in Melbourne for PASS disposal is over 4million cubic metres (not including NAG) the Dingley sites are the biggest followed by MBC and Hi-Quality."

That's almost 10 million tonnes of PASS you are talking about?

As an experienced consultant - do you understand what PASS is?
It is Potential Acid Sulphate Soil
Can you tell us all where these 10 million tonnes of PASS are coming from in Melbourne?

As PASS occurs at depth - they must carving out another city under Melbourne