IBC means an intermediate bulk container as defined in 49 CFR 171.8.

IM 101 portable tank and IM 102 portable tank means a portable tank constructed and approved by PMSA and manufactured on or before January 1, 2003, that meets the requirements for continued use under 49 CFR 173.32.

IMO Type 1 portable tank means a portable tank constructed in accordance with International Maritime Dangerous Goods (IMDG) Code (2012 Edition), that meets the definition of an IMO Type 1 portable tank under Section 4.2.0.1 of the IMDG Code (incorporated by reference, see § 98.30-2), and that meets the provisions for continued use under the IMDG Code.

IMO Type 2 portable tank means a portable tank constructed in accordance with the IMDG Code, that meets the definition of an IMO Type 2 portable tank under Section 4.2.0.1 of the IMDG Code (incorporated by reference, see § 98.30-2), and that meets the provisions for continued use under the IMDG Code.

MPT means a marine portable tank that was inspected and stamped by the Coast Guard on or before September 30, 1992, and that meets the applicable requirements in this part and part 64 of this chapter.

UN portable tank means a portable tank constructed in accordance with 49 CFR 178.274 and 178.275, and approved in accordance with 49 CFR 173.32 and 178.273.