IATA第50期危险品规则(2009)显著修订和变化
5.0.2.11–Revisions have been made to the provisions applicable to
dangerous goods packed in the same outer packaging to address the situation where one or more of the dangerous goods are restricted by a gross weight rather that the net quantity.
5.0.2.11-不同危险品在一个外包装内的有关条款被修订，强调危险品在4.2表中的数量限制栏内有“G”时，其整个包装件的毛重不得超过其中最小毛重数量限制，而不是净重。
5.2.0.2–Reference to ISO 1114 has been qualified such that the provisions of the applicable packing instructions take precedence.
5.2.0.2-相对于ISO1114，《危规》中的包装说明优先遵守。
Packing Instructions包装说明
200–There has been revision to a number of the Particular Packing Provisions to identify that certain materials are forbidden for use for cylinders and valves. Restrictions have been added for a number of gas mixtures prohibiting the use of aluminum cylinders except with approval from the appropriate national authority. There have been a significant number of amendments to the test pressures and filling ratios for gases in Table 200.B.
200-很多“特殊包装规定”做了修改，要求某些原料禁止用于气瓶和阀门。增加了些限制：很多混合气体禁止使用铝制气瓶，除非获得国家有关主管当局的批准。表200.B中很多气体的试验压力和充装比率被修订。
202–Has been amended to allow for glass cryogenic receptacles.
202-修改为允许使用低温液化气体玻璃容器。
203/Y203–The provisions applicable to plastic aerosols have been revised. 203／Y203-修订了适用于塑料气溶胶的规定。
215/216/217–These new packing instructions have been added to address the preparation of fuel cell cartridges containing liquefied flammable gas and fuel cell cartridges containing hydrogen in metal hydride (UN3478 and
UN3479) and cartridges contained in equipment and packed with equipment. 212／216／217-新增包装说明，适用于含液化易燃气体的燃料电池罐和含金属氢化物的燃料电池罐（UN3478和UN3479），以及适用于上述燃料电池罐安装在设备中或与设备包装在一起的情况。