-5 Pressure and leakage test.

(a)Each cargo tank must be tested in accordance with § 178.345-13 and this section.#

(b)Pressure test. Test pressure must be as follows:#

(1)Using the hydrostatic test method, the test pressure must be at least 40 psig or 1.5 times tank MAWP, whichever is greater.#

(2)Using the pneumatic test method, the test pressure must be 40 psig or 1.5 times tank MAWP, whichever is greater, and the inspection pressure is tank MAWP.#