In the UN Recommendations on the Transport of Dangerous Goods (TDG), the InternationalMaritime TransportationMaritime Dangerous Goods Code (IMDG), and other international rules, strict technical requirements apply to dangerous goods transport. However, exemptions exist for small-packaged, low-risk goods to reduce costs and facilitate exports. This introduces our topic: limited quantities in dangerous goods transport.

The term limited quantities refers to dangerous goods transported in small, robust packaging where the risk is low or controllable, allowing exemptions from some technical requirements.

(1) Shippers may consign goods to carriers with dangerous goods transport licenses, general carriers (e.g., trucking or shipping companies), or even individuals.

(2) Limited quantities transport requires compliance with basic packaging rules: good quality, durability during transit, and compatibility between packaging and goods.

To qualify for limited quantities transport, the UN number of the dangerous goods must correspond to a non-zero value in Column 7a of the Dangerous Goods List in TDG, IMDG, or other regulations. Additionally, the quantity per inner package must not exceed the specified limit.Air TransportationPer TDG general requirements, additional packaging rules apply. For example, limited quantities shipments must use combination packaging (except for aerosols or small gas containers). Specific items like Division 1.4S explosives or Class 8 liquids have further packaging specifications.

In accordance with the general requirements of TDG regulations, the use of packaging must also comply with some additional provisions. For example, when goods are transported as limited quantities, they must be in combined packaging (except for aerosols or small gas containers). Secondly, for specific dangerous goods, such as articles of Division 1.4 Compatibility Group S, Class 8 liquid goods, etc., there are more detailed packaging requirements.

(1) When exporting dangerous goods under Limited Quantity transport, there is no need to handle the Performance Test Result Sheet for Outbound Goods Transport Packaging or the Usage Appraisal Result Sheet for Outbound Dangerous Goods Transport Packaging.

(2) For dangerous chemicals exempted from using dangerous goods packaging under international regulations, the Performance Test Result Sheet for Outbound Goods Transport Packaging is not required for export. However, for packaging used in imported dangerous chemicals, it must be inspected for compliance with the announcement requirements, and it is also necessary to check whether the product packaging has hazard communication labels.

Although Limited Quantity transport can exempt some packaging requirements, thereby reducing transportation costs and improving convenience to a certain extent, safety responsibilities cannot be exempted. Therefore, relevant units and individuals must continue to pay attention to the latest international regulations during transportation and remain vigilant to ensure the safety of peoples lives and property.

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