In addition to the requirements incorporated by reference, an owner or operator of existing tank systems shall comply with 40 CFR 264.193 (relating to containment and detection of release) by January 16, 1995, except that an owner operator of existing tank systems for which the age cannot be documented shall comply with 40 CFR 264.193 by January 16, 1996.
25 Pa. Code § 264a.193