canada
Canadian Patent 2,196,842

The Patented Concept

usa
U.S. Patent 5,960,826

Enviro Vault's patented concept:

A recessed chamber installed "INSIDE" the tank with an access door through the tank wall. All valves, sample taps, electronic controls, heater (if required) are mounted "INSIDE" the Enviro Vault. See "Enviro Vault Advantages"

Enviro Vaults can be fitted in any size or shape of tank for any specific application and there are numerous "weld in" models to choose from, and also in "Bolt In" models.

envirovault concept
heavy oil containment produced water containment

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