What protects the environment and people against tank failures?
A) Gauge hatch
B) Containment wall
C) Tank safety system
D) Vapor recovery system
Answer: B
Explanation: A) Incorrect. A gauge hatch is an opening on the roof of a tank that is used to check tank levels and obtain samples of the tank contents.
B) Correct. A containment wall protects the environment and people against tank failures.
C) Incorrect. A containment wall protects the environment and people against tank failures.
D) Incorrect. Vapor recovery system is the process of recapturing vapors by methods such as chilling or scrubbing.
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