EACB Studies. As promoting the Co-operative banks business model is one of our mission, the EACB is supporting the research on co-operative banking by being a partner to the researchers, or by publishing its own studies. Since 2013, we also stimulate the research with our Award for young researchers on co-operative banks.
The water can go stale, too. All companies that produce consumables must, by federal law, have an expiration date on it. Since bottled water is a consumable the company must put a expiration date on it.  Also some water becomes impure due to plastic melting or substances released into the water by the plastic.
Sterile Water would be used more for a one time injection, where Bacteriostatic Water most people reuse multiple times, keeping them in the fridge. in my experience, most water ive ever purchased is good till a year later. Usually about a year expiration. That being said, I know many people who have said to have used expired bacteriostatic Water, up to 6 months after the expiration date, and had no problems. xxxxxxxxxxxxxxxxxxxxxxx. They sell Bacteriostatic Water and Bacteriostatic Sodium Chloroide 0.9%. Some of the best prices per vials I've found as well.