R307-328-7. Vapor Tightness Testing

(1) Gasoline cargo tanks and their vapor collection systems shall be tested annually for leakage in accordance with the test methods and vapor tightness standards in 40 CFR 63.425(e) which are hereby incorporated by reference.

(2) Each owner or operator of a gasoline cargo tank shall have documentation in their possession demonstrating that the gasoline cargo tank has passed the annual test in (1) above within the preceding twelve months.

(3) The vapor tightness documentation described in (2), as well as record of any maintenance performed, shall be retained by the owner or operator of the gasoline cargo tank for a two year period and be available for review by the director or the director's representative.

(4) The owner or operator of a railcar gasoline cargo tank may use the testing, recordkeeping, and reporting requirements in 40 CFR 63.425(i), that is hereby incorporated by reference, as an alternative to the annual testing requirements in (1) through (3) above.