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PostPosted: Sun Mar 10, 2013 9:46 am 
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Pacer
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Joined: Wed Feb 13, 2013 8:38 pm
Posts: 523
check warning emails (or whatever it is) before forwarding them or posting them - 99.99999% of the time, they are crap:

The origin of this warning actually dates back to 2007, when melamine poisoned milk products, pet foods and lead poisoned toys became a concern in China originating products.

Mixture of hoax and facts.

Analysis:
The message claims that one can easily find the manufacturing country and origin of food and pet products by reading the Bar Code printed on back side of the product. This way, the message claims that you can avoid the so called 'black-hearted goods' and Genetically Modified Organism (GMO) Foods coming from China. However, this is not a fact.

Bar codes are generally used to represent the data relating to the object on which it is printed, the food and pet products here. But it is important to note that there exist more than one system of Bar codes for retail products like these. Universal Product Code - U.P.C is one, EAN-13 European Article Number is other, and the less used EAN-8. So, it will be difficult to read and identify the country information of a food product from its bar code. The most commonly used UPC bar codes do NOT contain any kind of country identifier.

Number System

The first digit indicates the number system to be used for the subsequent digits. The following number system digits and their numbering schemes are:
0, 1, 6, 7, 8: For most products. The LLLLL digits are the manufacturer code, and the RRRRR digits are the product code.
2: Reserved for local use (store/warehouse), for items sold by variable weight. Variable-weight items, such as meats and fresh fruits and vegetables, are assigned a UPC by the store, if they are packaged there. In this case, the LLLLL is the item number, and the RRRRR is either the weight or the price, with the first R determining which.
3: Drugs by National Drug Code number. Pharmaceuticals in the U.S. have the remainder of the UPC as their National Drug Code (NDC) number; though usually only over-the-counter drugs are scanned at point-of-sale, NDC-based UPCs are used on prescription drug packages and surgical products and, in this case, are commonly called UPN Codes.[4] )
4: Reserved for local use (store/warehouse), often for loyalty cards or store coupons.
5: Coupons: The Manufacturer code is the LLLLL, the first 3 RRR are a family code (set by manufacturer), and the next 2 RR are a coupon code. This 2-digit code determines the amount of the discount, according to a table set by the GS1 US, with the final R being the check digit. These coupons can be doubled or tripled.
9: Coupons: The Manufacturer code is the LLLLL, the first 3 RRR are a family code (set by manufacturer), and the next 2 RR are a coupon code. This 2-digit code determines the amount of the discount, according to a table set by the GS1 US, with the final R being the check digit. These coupons cannot be doubled or tripled.



A lie gets halfway around the world, before the truth even gets its boots on - Mark Twain.

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