Tanks for storage of class I liquids shall not be installed inside buildings except as set forth in § 14a.141 and § 14a.151 (relating to commercial and industrial establishments and processing plants).
34 Pa. Code § 14a.32
This section cited in 34 Pa. Code § 14a.31 (relating to scope); and 34 Pa. Code § 14a.161 (relating to general provisions).