（When a MAG shipment is accompanied by DGD, does it mean that a prior approval of the State of Origin ands the State of the operator must be present?）
Q.
My understanding is that Magnetized Material is defined to be articles with a field strength causing a compass deflection of more than 2 degrees at a distance of 2.1 meters. For articles with field strength sufficient to cause a compass deflection of more than 2 degrees at a distance of 4.6 meters May only be transported with the prior approval of the State of Origin and the State of the operator. If a MAG shipment accompanies a DGD, must approvals from the State of Origin and the State of the operator accompany the shipment? (30 Apr 11)
A.
First of all, the definition of MAG reads that they are articles which possess a field strength that can cause a compass deflection of more than 2 degrees at a distance of 2.1m. A Shipper?fs DGD is not needed but the four points (a) through (d) written in PI 953 must be satisfied.
Furthermore, for those that will cause a compass deflection of more than 2 degrees at a distance of 4.6m, a prior approval of the State of Origin and of the State of the operator must accompany the shipment.
It does not mean that these State approvals will automatically be required in case a MAG shipment accompanies a DGD. The field strength of the MAG must be ascertained whether it does cause a compass deflection of more than 2 degrees at a distance of 4.6m. Often shippers make an error and prepare a DGD when it is not required.
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