[Pox]

It was one of a few that actually tested valid a while back.

https://www.ucdavis.edu/news/imported-olive-oil-quality-unreliable-study-finds

There have been more tests. California Extra Virgin Olive Oil is the real deal.

[ConservativeMind]

I believe you mean this one, which my family gets:

https://www.californiaoliveranch.com/products/100-california-everyday/41079566074040

[Mariner]

Look for the seal...

https://cooc.com/about-the-seal/