(Please clarify which net wuantity should we declare UN 1072 Oxygen, compressed, the net weight of oxygen itself or the weight of the cylinder?)

Q.
Which weight should we use on the DGD for UN 1072 Oxygen, compressed, the net weight of the gas or the weight of the cylinder? When declaring UN 1044 Fire extinguisher, we were directed to declare the weight of the fire extinguisher itself. (30 Apr 13)

A.
Please refer to IATA Dangerous Goods Regulations, Appendix A – Glossary, and look up the definition for NET QUANTITY. It says, the NET QUANTITY means the weight or volume of the dangerous goods contained in a package excluding the weight or volume of any packaging material. For the purpose of this definition, ‘dangerous goods’ means the substance or article as described by the proper shipping name shown in Table 4.2, e.g., for “Fire Extinguishers” the net quantity is the weight of the fire estinguisher.

In the case of UN 1072 Oxygen, compressed, the NET QUANTITY is the net weight of the oxygen. If the PSN was shown as Oxygen bottle, thence the NET QUANTITY would include the weight of the bottle.
The definition of NET QUANTITY has been redefined effective with the 54th Edition DGR.


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