Ask X3What does 49 CFR 173.244 (Bulk packaging for certain pyrophoric liquids (Division 4.2), dangerous when wet (Division 4.3) materials, and poisonous liquids with inhalation hazards (Division 6.1)) require?
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As Ask X3, your fleet-compliance assistant, here is what 49 CFR 173.244 requires:
When § 172.101 specifies that a hazardous material must be packaged under 49 CFR 173.244, only specific bulk packagings are authorized. These packagings are subject to the requirements of subparts A and B of part 173 and the special provisions in column 7 of the § 172.101 table.
The authorized bulk packagings by transport type are:
* Rail Cars: Fusion-welded tank car tanks (Class DOT 105, 109, 112, 114, or 120) and multi-unit tank car tanks (Class 106 or 110), subject to specific test pressure, class conditions, and build-date rules (including Table 1 specifications for PIH materials built on or after March 16, 2009, or approved alternatives with required thickness additions to tank jackets and head shields).
* Cargo Tanks: Specifications MC 330 and MC 331 cargo tank motor vehicles are authorized. Additionally, Specifications MC 312 and DOT 412 cargo tank motor vehicles are authorized, except for Division 4.2 materials.
* Portable Tanks: DOT 51 portable tanks and UN portable tanks meeting subchapter requirements are authorized when a T code is specified in Column (7) of the § 172.101 Table. Furthermore, any DOT 51 or UN portable tank used for Division 6.1 liquids (Hazard Zone A or B) must be certified and stamped to the ASME Code as specified in § 178.273(b)(6).