包括1997年CGA P-26（2003年重申）和1980年CGA TB-2（撤回，由CGA P-26取代）。 DOT在49 CFR中要求MC-330和MC-331无水氨液货舱按照规定的间隔进行内部检查，如果液货舱要返回运输服务，则必须按照49 CFR中的要求修复检查期间发现的裂缝和其他缺陷。本指南供负责检查和维修MC-330和MC的人员使用- 331个无水氨液货舱。

Includes CGA P-26 1997 (Reaffirmed 2003) and CGA TB-2 1980 (withdrawn, replaced by CGA P-26). The DOT requires in 49 CFR that MC-330 and MC-331 anhydrous ammonia cargo tanks be internally inspected at certain prescribed intervals, and that cracks and other defects found during inspections must be repaired in accordance with requirements in 49 CFR if a cargo tank is to be returned to transportation service. The guidelines are for use by those responsible for inspecting and repairing MC-330 and MC-331 anhydrous ammonia cargo tanks.