Which of the following statements are correct regarding direct-burial fuel tanks? Select all that apply.
Question 4Select one or more:
A.
The double-wall feature eliminates the need for monitoring.
B.
The double-wall feature traps leaking oil to prevent contamination of surrounding soil.
C.
Steel tanks are more fire-resistant and durable than fiberglass.
D.
Unlike fiberglass tanks, steel tanks are heavy enough not to need weighting to avoid buoyancy.