I suggest you call Rebecca Sawer at the Phoneix office. She is vice president of sustainabily. She is in charge of community relations and permitting.
She came from being senior environmental engineer for water remediation at Freeport McMoRan's Bisbee mine for many years.
She will tell you how proud she is to be working on such a green project that will leave zero footprint. Also about how much community support they have.
Call her and get the facts!
The EPA and ADEQ know and trust her.
Just because I do due diligence on every moving part that is possible. OCD or what.