Containment buildings can serve as secondary containment systems for tanks placed within the building under certain conditions.
(a)
A containment building can serve as an external liner system for a tank, provided it meets the requirements of § 267.196(a).
(b)
The containment building must also meet the requirements of § 267.195(a), (b)(1) and (2) to be considered an acceptable secondary containment system for a tank.