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The value of LD 50 for a substance is the dose required to kill half the members of a tested population after a specified test duration. LD 50 figures are frequently used as a general indicator of a substance's acute toxicity. A lower LD 50 is indicative of higher toxicity. The term LD 50 is generally attributed to John William Trevan. [2]
An advance ship notice or advance shipping notice (ASN) is a notification of pending and upcoming deliveries matched to the prior provided packing list. It is usually sent in an electronic format and is a common EDI document.
Tracking packages with stationary bar code reader in a warehouse sorting operation. Package tracking or package logging is the process of localizing shipping containers, mail and parcel post at different points of time during sorting, warehousing, and package delivery to verify their provenance and to predict and aid delivery.
It is a unique ID number or code assigned to a package or parcel. The tracking number is typically printed on the shipping label as a bar code that can be scanned by anyone with a bar code reader or smartphone. In the United States, some of the carriers using tracking numbers include UPS, [1] FedEx, [2] and the United States Postal Service. [3]
This is the case in the Advanced Shipment Notification (ASN) which was designed to inform the receiver of a shipment, the goods to be received and how the goods are packaged. This is further complemented with the shipment's use of the shipping labels containing a GS1-128 barcode referencing the shipment's tracking number. [4]
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a chain of custody, where the posted item has its details recorded in a register to enable its location to be tracked, sometimes with added insurance to cover loss; a return receipt, called an avis de réception , which provides a postcard or electronic notification with the date of delivery and recipient signature;
The UPU S10 standard defines a system for assigning 13-character identifiers to international postal items for the purpose of tracking and tracing them during shipping. The standard was introduced on 18 April 1996, [ 1 ] : 4 and is currently in its 12th version.