@squarepantsHi mate, looking back at your posts i think this is...

@squarepants

Hi mate, looking back at your posts i think this is your key statement "I apologies I havent done a lot of research yet on PWN, I am focused on a couple of other stocks presently"

The other thing i noticed is you need to read up or apply more weight to the current industry issue and costs to store this product for next 20+ years. Once you have completed this research then i think you will have a different set of questions. The discussion around the price of salt / caustic soda etc will be a relatively mute point.
The company presos should give some detailed background to the size and complexity of the issue and the subsequent costs and even the previous efforts to address this issue by the industry. Furthermore consider the role of the QLD government and their desire to eliminate or significantly reduce the issue of Brine.

The real value PWN creates is the alternative to the storage costs and associated tolls on the storage! The offtakes of product are the cherry..

good luck mate, wont hold it against you that you live in NZ.